@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--announcement-banner-height: 0px}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,-apple-system,BlinkMacSystemFont,Helvetica Neue,Arial,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}img,svg{display:block;max-width:100%}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.home{display:flex;flex-direction:column;min-height:100vh;background:var(--color-page-background);position:relative;overflow-x:hidden}.home:before{content:"";position:absolute;top:0;left:0;right:0;height:800px;background:radial-gradient(circle at 20% 50%,rgba(31,95,195,.08) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(0,57,166,.06) 0%,transparent 50%);pointer-events:none;z-index:0}.home:after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(31,95,195,.02) 0px,transparent 1px,transparent 80px,rgba(31,95,195,.02) 81px),repeating-linear-gradient(0deg,rgba(31,95,195,.02) 0px,transparent 1px,transparent 80px,rgba(31,95,195,.02) 81px);pointer-events:none;z-index:0}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.section{padding:5rem 0}.home-header{border-bottom:1px solid var(--color-border);background:var(--color-surface);position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:1.5rem 0;transition:background-color .3s ease,border-color .3s ease}.header-container{display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:.75rem}.brand-logo{width:38px;height:38px;object-fit:contain;transition:transform .2s ease}.brand-logo:hover{transform:scale(1.05)}.brand-name{font-size:1.5rem;font-weight:700;color:var(--color-heading);letter-spacing:-.02em}.header-actions{display:flex;align-items:center;gap:1rem}.header-actions .btn-login{background:transparent;color:var(--color-primary-600);border:1px solid var(--color-primary-600);padding:.625rem 1.5rem;font-weight:600;font-size:.9375rem;transition:all .2s ease}.header-actions .btn-login:hover{background:var(--color-primary-100);transform:translateY(-1px)}.theme-dark .header-actions .btn-login{color:var(--color-primary-300);border-color:var(--color-primary-300)}.theme-dark .header-actions .btn-login:hover{background:var(--color-primary-900)}.floating-theme-toggle{position:fixed;bottom:2rem;right:2rem;width:56px;height:56px;border-radius:50%;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;color:var(--color-text);z-index:1000;transition:all .2s ease;cursor:pointer}.floating-theme-toggle:hover{transform:scale(1.1);box-shadow:0 8px 24px #00000026;background:var(--color-surface-muted)}.home-main{flex:1;position:relative;z-index:1}.hero-section{padding:6rem 0 8rem;background:transparent;border-bottom:1px solid var(--color-border);position:relative;z-index:1}.hero-section:after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(31,95,195,.04) 1px,transparent 1px);background-size:20px 20px;pointer-events:none;opacity:.5;z-index:0}.hero{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:900px;margin:0 auto;position:relative;z-index:2}.hero:before{content:"";position:absolute;top:-100px;left:50%;transform:translate(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(31,95,195,.08) 0%,transparent 70%);border-radius:50%;pointer-events:none;z-index:-1;animation:pulse 8s ease-in-out infinite}@keyframes pulse{0%,to{transform:translate(-50%) scale(1);opacity:.6}50%{transform:translate(-50%) scale(1.1);opacity:.8}}.hero-copy{display:flex;flex-direction:column;align-items:center;gap:1.5rem}.hero-copy h1{margin:0;font-size:clamp(2.5rem,5vw,3.75rem);font-weight:800;color:var(--color-heading);letter-spacing:-.03em;line-height:1.1;animation:fadeInUp .6s ease-out;transition:color .3s ease}.hero-copy p{margin:0;font-size:1.125rem;line-height:1.7;color:var(--color-text-muted);max-width:700px;animation:fadeInUp .6s ease-out .1s both}.hero-actions{display:flex;gap:1rem;margin-top:2rem;flex-wrap:wrap;justify-content:center;animation:fadeInUp .6s ease-out .2s both}.btn{border:none;border-radius:var(--radius-sm);padding:.75rem 1.5rem;font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:.5rem}.btn.btn-lg{padding:.875rem 1.75rem;font-size:1.0625rem}.btn-primary{background:var(--color-primary-600);color:#fff;box-shadow:0 4px 14px #1f5fc340}.btn-primary:hover{background:var(--color-primary-500);transform:translateY(-2px);box-shadow:0 6px 20px #1f5fc359}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-surface-muted);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.hero-highlights{display:flex;gap:1.25rem;margin-top:2.5rem;flex-wrap:wrap;justify-content:center;animation:fadeInUp .6s ease-out .3s both}.highlight{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1rem;border-radius:99px;background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-muted);font-size:.9375rem;font-weight:500;box-shadow:var(--shadow-xs)}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:2rem;position:relative}.features:before{content:"";position:absolute;top:-4rem;left:50%;transform:translate(-50%);width:120%;height:calc(100% + 8rem);background:radial-gradient(circle at center,rgba(31,95,195,.03) 0%,transparent 70%);pointer-events:none;z-index:-1}.feature{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-sm);transition:all .2s ease;display:flex;flex-direction:column;gap:1rem;animation:fadeInUp .5s ease-out both}.feature:nth-child(1){animation-delay:.05s}.feature:nth-child(2){animation-delay:.1s}.feature:nth-child(3){animation-delay:.15s}.feature:nth-child(4){animation-delay:.2s}.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.feature-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--color-primary-100);color:var(--color-primary-600);margin-bottom:.5rem;transition:transform .2s ease}.theme-dark .feature-icon{background:var(--color-primary-900);color:var(--color-primary-300)}.feature h3{margin:0;font-size:1.25rem;font-weight:600;color:var(--color-heading)}.feature p{margin:0;color:var(--color-text-muted);line-height:1.6;font-size:.9375rem}.home-footer{padding:4rem 0 3rem;text-align:center;font-size:.9375rem;position:relative;z-index:1;margin-top:3rem}.home-footer p{margin:0;color:var(--color-text-muted)}.home-footer:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:200px;height:1px;background:linear-gradient(90deg,transparent,var(--color-border),transparent)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.container{padding:0 1.5rem}.section{padding:3rem 0}.home-header{padding:1rem 0}.header-container{gap:1rem}.brand{gap:.5rem;flex-shrink:0}.brand-logo{width:32px;height:32px}.brand-name{font-size:1.125rem}.header-actions{gap:.5rem}.header-actions .btn-login{padding:.5rem 1rem;font-size:.875rem;white-space:nowrap}.floating-theme-toggle{bottom:1.5rem;right:1.5rem;width:52px;height:52px}.hero-section{padding:4rem 0 5rem}.hero-copy h1{font-size:2.25rem}.hero-copy p{font-size:1rem}.hero-actions{flex-direction:column;width:100%}.hero-actions .btn{width:100%;justify-content:center}.features{grid-template-columns:1fr;gap:1.5rem}}@media (max-width: 480px){.container{padding:0 1rem}.brand-logo{width:28px;height:28px}.brand-name{font-size:1rem}.header-actions .btn-login{padding:.5rem .875rem;font-size:.8125rem}.hero-highlights{gap:.75rem}.highlight{font-size:.875rem;padding:.5rem .875rem}.floating-theme-toggle{bottom:1rem;right:1rem;width:48px;height:48px}}.tutorial-overlay{position:fixed;inset:0;background:#0006;z-index:9998;pointer-events:none}.tutorial-spotlight{position:fixed;z-index:9999;pointer-events:none;border:4px solid #1f5fc3;border-radius:8px;box-shadow:0 0 0 9999px #00000080,0 0 30px #1f5fc3cc,inset 0 0 0 2px #ffffff4d;transition:all .3s ease-in-out;background:#ffffff05}.tutorial-tooltip{position:fixed;z-index:10000;background:var(--card-bg, #ffffff);color:var(--text-primary, #1a1a1a);border-radius:12px;padding:24px;max-width:400px;box-shadow:0 8px 32px #0003;pointer-events:auto}.tutorial-tooltip-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.tutorial-step-counter{font-size:13px;font-weight:600;color:#1f5fc3;text-transform:uppercase;letter-spacing:.5px}.tutorial-close-btn{background:none;border:none;color:var(--text-secondary, #666);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s}.tutorial-close-btn:hover{background:var(--hover-bg, #f0f0f0);color:var(--text-primary, #1a1a1a)}.tutorial-tooltip-title{font-size:20px;font-weight:700;margin:0 0 12px;color:var(--text-primary, #1a1a1a)}.tutorial-tooltip-description{font-size:15px;line-height:1.6;color:var(--text-secondary, #666);margin:0 0 20px}.tutorial-tooltip-footer{display:flex;align-items:center;justify-content:space-between;gap:12px}.tutorial-progress{display:flex;gap:6px}.tutorial-progress-dot{width:8px;height:8px;border-radius:50%;background:#d0d0d0;transition:all .2s;border:1px solid #a0a0a0}.tutorial-progress-dot.active{background:#1f5fc3;width:24px;border-radius:4px;border:1px solid #1648a0}.tutorial-actions{display:flex;gap:8px}.tutorial-btn{padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;border:none;display:flex;align-items:center;gap:6px}.tutorial-btn-skip{background:transparent;color:var(--text-secondary, #666);border:1px solid #d0d0d0}.tutorial-btn-skip:hover{background:var(--hover-bg, #f0f0f0);color:var(--text-primary, #1a1a1a);border-color:#b0b0b0}.tutorial-btn-prev{background:var(--hover-bg, #f0f0f0);color:var(--text-primary, #1a1a1a);border:1px solid #d0d0d0}.tutorial-btn-prev:hover{background:var(--border-color, #e0e0e0);border-color:#b0b0b0}.tutorial-btn-next,.tutorial-btn-finish{background:#1f5fc3;color:#fff;box-shadow:0 2px 8px #1f5fc34d;font-weight:700}.tutorial-btn-next:hover,.tutorial-btn-finish:hover{background:#1648a0;box-shadow:0 4px 12px #1f5fc366;transform:translateY(-1px)}.tutorial-btn:disabled{opacity:.5;cursor:not-allowed}[data-theme=dark] .tutorial-overlay{background:#00000080}[data-theme=dark] .tutorial-spotlight{border-color:#4a8fe7;box-shadow:0 0 0 9999px #0009,0 0 30px #4a8fe7cc,inset 0 0 0 2px #fff3}[data-theme=dark] .tutorial-tooltip{background:var(--card-bg, #2a2a2a);color:var(--text-primary, #e0e0e0);box-shadow:0 8px 32px #00000080}[data-theme=dark] .tutorial-tooltip-title{color:var(--text-primary, #e0e0e0)}[data-theme=dark] .tutorial-step-counter{color:#4a8fe7}[data-theme=dark] .tutorial-progress-dot{background:#505050;border-color:#606060}[data-theme=dark] .tutorial-progress-dot.active{background:#4a8fe7;border-color:#3a7fd7}[data-theme=dark] .tutorial-close-btn:hover{background:var(--hover-bg, #3a3a3a);color:var(--text-primary, #e0e0e0)}[data-theme=dark] .tutorial-btn-skip{color:#b0b0b0;border-color:#505050}[data-theme=dark] .tutorial-btn-skip:hover{background:var(--hover-bg, #3a3a3a);color:var(--text-primary, #e0e0e0);border-color:#606060}[data-theme=dark] .tutorial-btn-prev{background:var(--hover-bg, #3a3a3a);color:var(--text-primary, #e0e0e0);border-color:#505050}[data-theme=dark] .tutorial-btn-prev:hover{background:var(--border-color, #4a4a4a);border-color:#606060}[data-theme=dark] .tutorial-btn-next,[data-theme=dark] .tutorial-btn-finish{background:#4a8fe7;color:#fff}[data-theme=dark] .tutorial-btn-next:hover,[data-theme=dark] .tutorial-btn-finish:hover{background:#3a7fd7}.tutorial-tooltip:before{content:"";position:absolute;width:0;height:0;border:10px solid transparent}.tutorial-tooltip[data-position=bottom]:before{top:-20px;left:50%;transform:translate(-50%);border-bottom-color:var(--card-bg, #ffffff)}.tutorial-tooltip[data-position=top]:before{bottom:-20px;left:50%;transform:translate(-50%);border-top-color:var(--card-bg, #ffffff)}.tutorial-tooltip[data-position=left]:before{right:-20px;top:50%;transform:translateY(-50%);border-left-color:var(--card-bg, #ffffff)}.tutorial-tooltip[data-position=right]:before{left:-20px;top:50%;transform:translateY(-50%);border-right-color:var(--card-bg, #ffffff)}[data-theme=dark] .tutorial-tooltip:before{border-bottom-color:var(--card-bg, #2a2a2a);border-top-color:var(--card-bg, #2a2a2a);border-left-color:var(--card-bg, #2a2a2a);border-right-color:var(--card-bg, #2a2a2a)}@keyframes tutorial-fade-in{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes tutorial-overlay-fade-in{0%{opacity:0}to{opacity:1}}.tutorial-tooltip{animation:tutorial-fade-in .3s ease-out}.tutorial-overlay.tutorial-fade-in,.tutorial-spotlight.tutorial-fade-in{animation:tutorial-overlay-fade-in .5s ease-out}@media (max-width: 768px){.tutorial-tooltip{max-width:calc(100vw - 2rem);padding:20px;left:1rem!important;right:1rem!important;width:calc(100% - 2rem)}.tutorial-tooltip-title{font-size:18px}.tutorial-tooltip-description{font-size:14px}.tutorial-tooltip-footer{flex-wrap:wrap}.tutorial-btn{padding:8px 16px;font-size:13px}.tutorial-actions{gap:6px}}@media (max-width: 480px){.tutorial-tooltip{padding:16px;max-width:calc(100vw - 1rem);left:.5rem!important;right:.5rem!important;width:calc(100% - 1rem)}.tutorial-tooltip-title{font-size:16px;margin-bottom:8px}.tutorial-tooltip-description{font-size:13px;margin-bottom:16px}.tutorial-step-counter{font-size:11px}.tutorial-btn{padding:8px 12px;font-size:12px;gap:4px}.tutorial-btn-skip{padding:8px 10px}.tutorial-progress-dot{width:6px;height:6px}.tutorial-progress-dot.active{width:18px}.tutorial-actions{flex-wrap:wrap;width:100%}.tutorial-actions .tutorial-btn{flex:1;min-width:0}}.dashboard{display:flex;flex-direction:column;gap:28px}.dashboard-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:32px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.header-copy{max-width:540px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;font-weight:600;color:var(--color-text-muted)}.dashboard-title{margin:8px 0;font-size:clamp(1.75rem,2.6vw,2.2rem);color:var(--color-heading)}.dashboard-subtitle{margin:0;color:var(--color-text-muted);font-size:1rem;line-height:1.6}.tracked-summary{display:flex;align-items:center;gap:16px;padding:16px 20px;border-radius:var(--radius-lg);border:1px solid var(--color-border);background:var(--color-surface-muted);min-width:220px}.summary-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:var(--color-primary-100);color:var(--color-primary-600)}.summary-content{display:flex;flex-direction:column;gap:8px}.summary-label{display:block;font-size:.8rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.08em}.summary-value{font-size:1.6rem;font-weight:700;color:var(--color-heading)}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.dashboard-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow-sm);transition:transform var(--transition-base),box-shadow var(--transition-base)}.dashboard-card:not(.disabled):hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.dashboard-card.disabled{opacity:.65;cursor:default}.card-icon{width:48px;height:48px;border-radius:14px;background:var(--color-primary-100);color:var(--color-primary-600);display:flex;align-items:center;justify-content:center}.card-title{margin:0;font-size:1.1rem;color:var(--color-heading)}.card-description{margin:0;color:var(--color-text-muted);line-height:1.6}.card-footer{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}.card-badge{background:var(--color-primary-100);color:var(--color-primary-600);font-weight:600;font-size:.75rem;padding:4px 10px;border-radius:999px}.card-button{border:none;border-radius:var(--radius-sm);background:var(--color-primary-600);color:#fff;font-weight:600;padding:10px 16px;transition:background var(--transition-base),box-shadow var(--transition-base)}.card-button:hover:not(:disabled){background:var(--color-primary-500);box-shadow:var(--shadow-sm)}.card-button:disabled{background:var(--color-border);color:var(--color-text-muted);cursor:not-allowed}@media (max-width: 768px){.dashboard-header{padding:24px}.tracked-summary{width:100%;justify-content:space-between}}.panther-loader{display:flex;flex-direction:column;align-items:center;justify-content:center;height:calc(100vh - 80px);gap:16px}.panther-logo{width:clamp(120px,24vw,200px);height:auto;animation:pulseZoom 1.6s ease-in-out infinite;will-change:transform}.loader-text{margin:0;color:var(--color-text-muted);font-weight:600}@keyframes pulseZoom{0%{transform:scale(1);opacity:.95}50%{transform:scale(1.06);opacity:1}to{transform:scale(1);opacity:.95}}.subject-autocomplete-container{position:relative;width:100%}.subject-input-wrapper{position:relative;display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:.45rem 2.5rem .45rem .6rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);min-height:44px;transition:border-color var(--transition-base),box-shadow var(--transition-base);cursor:text}.subject-input-wrapper:focus-within{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 3px #1f5fc32e}.subject-input-wrapper.disabled{background:var(--color-surface-muted);cursor:not-allowed;opacity:.7}.selected-subjects{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.subject-tag{display:inline-flex;align-items:center;gap:5px;background:var(--color-primary-100);color:var(--color-primary-600);padding:5px 8px 5px 10px;border-radius:6px;font-size:.85rem;font-weight:600;white-space:nowrap;line-height:1.2}.subject-tag .remove-subject{border:none;background:transparent;color:currentColor;cursor:pointer;font-size:1.1rem;line-height:1;padding:0;width:18px;height:18px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background var(--transition-base);opacity:.7}.subject-tag .remove-subject:hover{background:#1f5fc333;opacity:1}.subject-tag .remove-subject:disabled{cursor:not-allowed;opacity:.4}.subject-input-container{position:relative;flex:1;min-width:140px}.subject-input-container input{width:100%;border:none;background:transparent;color:var(--color-text);padding:4px 2px;margin:0;font-size:.9rem;outline:none;line-height:1.4}.subject-input-container input::placeholder{color:var(--color-text-muted);opacity:.65}.subject-input-container input:disabled{cursor:not-allowed;color:var(--color-text-muted)}.subject-input-wrapper .loading-spinner{position:absolute;right:10px;top:50%;margin-top:-9px;width:18px;height:18px;border:2px solid var(--color-border);border-top:2px solid var(--color-primary-600);border-radius:50%;animation:spin .8s linear infinite;pointer-events:none}.suggestions-dropdown{position:absolute;top:100%;left:0;right:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);max-height:220px;overflow-y:auto;margin-top:6px;z-index:1000}.suggestion-item{width:100%;padding:12px 16px;display:flex;align-items:center;gap:12px;border:none;background:transparent;cursor:pointer;text-align:left;transition:background var(--transition-base)}.suggestion-item:hover:not(:disabled){background:var(--color-surface-muted)}.suggestion-item.highlighted{background:var(--color-primary-50);border-left:3px solid var(--color-primary-500);padding-left:13px}.suggestion-item:disabled{cursor:not-allowed;opacity:.6}.subject-code{min-width:64px;font-weight:600;color:var(--color-primary-600);font-size:.9rem}.subject-description{flex:1;color:var(--color-text);font-size:.9rem}.suggestion-item.already-selected .subject-code,.suggestion-item.already-selected .subject-description{color:var(--color-text-muted)}.helper-text{display:block;margin-top:6px;font-size:.75rem;color:var(--color-text-muted)}.course-search-page{display:flex;flex-direction:column;gap:24px}.course-search-page .page-header{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:28px 32px;box-shadow:var(--shadow-sm)}.course-search-page .page-title{margin:0 0 8px;font-size:clamp(1.5rem,2.2vw,2rem);color:var(--color-heading)}.course-search-page .page-description{margin:0;color:var(--color-text-muted);font-size:1rem}.course-search-page .search-form-container{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:32px}.course-search-form{display:grid;gap:20px}.course-search-form label{font-weight:600;color:var(--color-heading)}.course-search-form select,.course-search-form input{width:100%;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.7rem .75rem;background:var(--color-surface);color:var(--color-text);transition:border-color var(--transition-base),box-shadow var(--transition-base)}.course-search-form input::placeholder{color:var(--color-text-muted);opacity:.7}.course-search-form select:focus,.course-search-form input:focus{border-color:var(--color-primary-500);box-shadow:0 0 0 3px #1f5fc32e;outline:none}.course-search-form button{justify-self:start;border:none;border-radius:var(--radius-sm);background:var(--color-primary-600);color:#fff;font-weight:600;padding:12px 20px;transition:background var(--transition-base),box-shadow var(--transition-base)}.course-search-form button:hover{background:var(--color-primary-500);box-shadow:var(--shadow-sm)}@media (max-width: 768px){.course-search-page .page-header,.course-search-page .search-form-container{padding:24px}}.course-search-page{--color-primary-50: rgba(31, 95, 195, .16)}.course-search-page .suggestions-dropdown{background:var(--color-surface);border-color:var(--color-border)}.course-search-page .suggestion-item:hover:not(:disabled){background:#1f5fc31f}.course-search-page .suggestion-item.highlighted{background:var(--color-primary-50);border-left-color:var(--color-primary-300)}.theme-dark .course-search-page .suggestion-item .subject-code,.theme-dark .course-search-page .subject-tag{color:#fff}.course-results-page{display:flex;flex-direction:column;gap:20px}.course-results-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.new-search-button{display:inline-flex;align-items:center;gap:8px;border:none;border-radius:var(--radius-sm);background:var(--color-primary-600);color:#fff;font-weight:600;padding:10px 16px;transition:background var(--transition-base),box-shadow var(--transition-base)}.new-search-button:hover{background:var(--color-primary-500);box-shadow:var(--shadow-sm)}.search-summary{display:flex;flex-direction:column;gap:4px;text-align:right}.summary-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted)}.summary-value{font-weight:600;color:var(--color-heading)}.pagination-controls{display:flex;align-items:center;justify-content:center;gap:24px;padding:24px;margin-top:20px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.pagination-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-weight:500;padding:10px 16px;transition:all var(--transition-base);min-width:100px;justify-content:center}.pagination-btn:hover:not(:disabled){background:var(--color-primary-50);border-color:var(--color-primary-300);color:var(--color-primary-600);box-shadow:var(--shadow-sm)}.pagination-btn:disabled{opacity:.5;cursor:not-allowed;background:var(--color-gray-100);color:var(--color-gray-400)}.page-info{font-weight:600;color:var(--color-heading);font-size:.875rem;text-align:center;min-width:120px}@media (max-width: 768px){.course-results-toolbar{flex-direction:column;align-items:flex-start}.search-summary{text-align:left;width:100%}.pagination-controls{gap:16px;padding:16px}.pagination-btn{min-width:80px;padding:8px 12px}.page-info{min-width:100px;font-size:.8rem}}.error-message{background:#b423181f;color:var(--color-danger);padding:14px 16px;border-radius:var(--radius-sm);border:1px solid rgba(180,35,24,.2);margin-bottom:16px}.results-section{margin-top:24px;display:flex;flex-direction:column;gap:20px}.results-header{display:flex;justify-content:space-between;align-items:center}.results-count{font-weight:600;color:var(--color-heading)}.courses-grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.course-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;overflow:hidden}.course-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:20px 24px;background:var(--color-surface-muted);border-bottom:1px solid var(--color-border)}.course-title{margin:0;font-size:1.05rem;color:var(--color-heading)}.course-crn{margin-top:6px;display:inline-block;padding:4px 10px;border-radius:999px;background:var(--color-primary-100);color:var(--color-primary-600);font-size:.75rem;font-weight:600}.course-actions{display:flex;align-items:center;gap:8px}.calendar-button{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-base)}.calendar-button:hover{border-color:var(--color-primary-300);color:var(--color-primary-600);background:var(--color-primary-50)}.watch-button{display:inline-flex;align-items:center;gap:8px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-heading);font-weight:600;padding:8px 14px;transition:background var(--transition-base),border-color var(--transition-base),color var(--transition-base)}.watch-button:hover:not(:disabled){border-color:var(--color-primary-300);color:var(--color-primary-600)}.watch-button.state-active{background:var(--color-primary-100);border-color:var(--color-primary-300);color:var(--color-primary-600)}.watch-button.state-remove{background:#b4231814;border-color:#b4231859;color:var(--color-danger)}.watch-button:disabled{opacity:.65;cursor:not-allowed}.course-body{display:flex;flex-direction:column;gap:20px;padding:24px}.course-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}.info-item{display:flex;flex-direction:column;gap:4px}.info-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted)}.info-value{font-weight:600;color:var(--color-heading)}.partial-data-notice{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#ffb1421a;border:1px solid rgba(255,177,66,.3);border-radius:var(--radius-sm);font-size:.85rem;color:#c27b12}.theme-dark .partial-data-notice{background:#ffb14226;border-color:#ffb14259;color:#f5b547}.partial-data-icon{font-size:1rem;line-height:1;opacity:.9}.partial-data-text{font-weight:500;letter-spacing:.01em}.enrollment-status{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:16px;padding:18px;background:var(--color-surface-muted);border-radius:var(--radius-md);border:1px solid var(--color-border)}.enrollment-item{display:flex;flex-direction:column;gap:6px;align-items:flex-start}.enrollment-number{font-size:1.3rem;font-weight:700;color:var(--color-heading)}.enrollment-label{font-size:.8rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.08em}.seats-available{color:var(--color-success)}.seats-low{color:#c27b12}.seats-full{color:var(--color-danger)}.seats-unknown{color:var(--color-text-muted)}.waitlist-number{color:var(--color-heading)}.waitlist-low{color:#c27b12}.waitlist-full{color:var(--color-danger)}.waitlist-available{color:var(--color-success)}.faculty-section{display:flex;flex-direction:column;gap:6px}.faculty-title{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted);font-weight:600}.faculty-name{color:var(--color-heading);font-weight:600}.meeting-times{display:flex;flex-direction:column;gap:12px}.meeting-time{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:14px;background:var(--color-surface)}.time-schedule{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.time-range{font-weight:600;color:var(--color-heading)}.days-week{display:flex;gap:6px}.day-indicator{min-width:26px;height:26px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600;background:var(--color-surface-muted);color:var(--color-text-muted)}.day-indicator.day-active{background:var(--color-primary-100);color:var(--color-primary-600)}.location-info{font-size:.9rem;color:var(--color-text-muted)}.location-building{font-weight:600;color:var(--color-heading)}.online-badge-inline{display:inline-block;margin-left:12px;padding:4px 10px;border-radius:999px;background:#10b9811a;color:#059669;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.theme-dark .online-badge-inline{background:#10b98133;color:#34d399}@media (max-width: 768px){.courses-grid{grid-template-columns:1fr}.course-header{flex-direction:column;align-items:flex-start}.watch-button{width:100%;justify-content:center}}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center}.loading-text{font-family:Roboto,sans-serif;font-size:18px;font-weight:500;color:#2c3e50;margin-bottom:20px}.loading-bar-wrapper{width:100%;max-width:300px;background-color:#e1e5e9;border-radius:10px;overflow:hidden;height:8px;position:relative}.loading-bar{width:100%;height:100%;position:relative;background-color:#e1e5e9;border-radius:10px;overflow:hidden}.loading-bar-fill{height:100%;background:linear-gradient(90deg,#007bff,#0056b3,#007bff);background-size:200% 100%;border-radius:10px;animation:loading-animation 2s ease-in-out infinite;width:70%}@keyframes loading-animation{0%{width:0%;background-position:200% 0}50%{width:70%;background-position:0% 0}to{width:100%;background-position:-200% 0}}@media (max-width: 480px){.loading-container{padding:30px 15px}.loading-text{font-size:16px}.loading-bar-wrapper{max-width:250px;height:6px}}.tracked-classes-page{display:flex;flex-direction:column;gap:24px}.tracked-classes-page .page-header{text-align:left;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:28px 32px;box-shadow:var(--shadow-sm)}.tracked-classes-page .page-title{margin:0 0 8px;color:var(--color-heading);font-size:clamp(1.5rem,2.1vw,2rem)}.tracked-classes-page .page-description{margin:12px 0 0;color:var(--color-text-muted);font-size:1rem;line-height:1.6}.tracking-stats{display:inline-flex;align-items:center;gap:12px;border-radius:999px;border:1px solid var(--color-border);background:var(--color-surface-muted);padding:6px 16px;margin-top:16px;font-weight:600;color:var(--color-heading)}.tracking-stats .label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted)}.tracking-stats .count{font-size:1.25rem}.search-more-btn{margin-top:20px;border:none;border-radius:var(--radius-sm);background:var(--color-primary-600);color:#fff;font-weight:600;padding:12px 20px;transition:background var(--transition-base),box-shadow var(--transition-base)}.search-more-btn:hover{background:var(--color-primary-500);box-shadow:var(--shadow-sm)}@media (max-width: 768px){.tracked-classes-page .page-header{padding:24px}.tracking-stats{width:100%;justify-content:space-between}}.user-search-section{display:flex;flex-direction:column;gap:20px}.search-header{display:flex;flex-direction:column;gap:14px}.section-heading{display:flex;align-items:center;gap:12px}.section-icon{color:var(--color-primary-600)}.section-title{margin:0;font-size:1.4rem;font-weight:600;color:var(--color-heading)}.search-controls{display:flex;flex-direction:column;gap:12px}.search-input-container{position:relative;display:flex;align-items:center}.search-input{width:100%;padding:12px 42px 12px 14px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);font-size:.95rem;transition:border-color var(--transition-base),box-shadow var(--transition-base)}.search-input:focus{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 3px #1f5fc32e}.search-icon{position:absolute;right:14px;color:var(--color-text-muted)}.bulk-actions{display:flex;align-items:center;gap:12px}.select-all-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-heading);font-weight:600;font-size:.85rem;transition:background var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base)}.select-all-btn:hover{background:var(--color-surface-muted);border-color:var(--color-border-strong);box-shadow:var(--shadow-sm)}.selection-count{font-size:.85rem;font-weight:600;color:var(--color-text-muted)}.users-container{min-height:220px}.no-users{padding:48px 24px;text-align:center;color:var(--color-text-muted)}.no-users-icon{margin:0 auto 12px;color:var(--color-primary-300)}.users-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px}.user-card{display:flex;flex-direction:column;gap:20px;padding:22px 20px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface);box-shadow:var(--shadow-sm);transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base)}.user-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--color-border-strong)}.user-card.selected{border-color:var(--color-primary-500);box-shadow:var(--shadow-md)}.user-card-header{display:flex;align-items:center;gap:14px}.user-avatar{width:52px;height:52px;border-radius:50%;overflow:hidden;background:var(--color-primary-100);color:var(--color-primary-600);display:flex;align-items:center;justify-content:center;font-weight:700}.user-avatar img{width:100%;height:100%;object-fit:cover}.avatar-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.user-info{flex:1}.user-name{margin:0 0 4px;font-size:1.05rem;font-weight:600;color:var(--color-heading)}.user-email{margin:0;font-size:.85rem;color:var(--color-text-muted)}.user-checkbox{position:relative;display:flex;align-items:center}.user-checkbox input{position:absolute;inset:0;opacity:0;cursor:pointer}.checkmark{width:22px;height:22px;border-radius:6px;border:1px solid var(--color-border);display:flex;align-items:center;justify-content:center;background:var(--color-surface);color:var(--color-surface);transition:background var(--transition-base),border-color var(--transition-base),color var(--transition-base)}.user-checkbox input:checked+.checkmark{background:var(--color-primary-600);border-color:var(--color-primary-600);color:#fff}.user-stats{display:flex;flex-direction:column;gap:12px}.stat-item{display:flex;align-items:center;gap:8px;color:var(--color-text-muted);font-size:.85rem}.stat-icon{color:var(--color-primary-500)}.user-actions{display:flex;justify-content:flex-end;margin-top:4px}.send-email-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--radius-sm);border:none;background:var(--color-success);color:#fff;font-weight:600;font-size:.9rem;box-shadow:var(--shadow-sm);transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base)}.send-email-btn:hover{background:#16663b;transform:translateY(-1px);box-shadow:var(--shadow-md)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}@media (max-width: 768px){.search-controls{flex-direction:column;align-items:stretch}.bulk-actions{flex-wrap:wrap;justify-content:space-between}.users-grid{grid-template-columns:1fr}.user-card{padding:18px}}.email-composer-overlay{position:fixed;inset:0;background:#11182775;display:flex;justify-content:center;align-items:center;z-index:1200;padding:20px}.email-composer{width:100%;max-width:640px;max-height:92vh;overflow-y:auto;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--color-border)}.composer-header{display:flex;align-items:center;justify-content:space-between;padding:22px 24px;border-bottom:1px solid var(--color-border)}.composer-heading{display:flex;align-items:center;gap:12px}.composer-heading-icon{color:var(--color-primary-600)}.composer-header h3{margin:0;font-size:1.25rem;font-weight:600;color:var(--color-heading)}.close-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);border:1px solid transparent;background:var(--color-surface);color:var(--color-text-muted);transition:background var(--transition-base),border-color var(--transition-base),color var(--transition-base)}.close-btn:hover{background:var(--color-surface-muted);border-color:var(--color-border);color:var(--color-heading)}.recipient-info{display:flex;align-items:center;gap:16px;padding:20px 24px;background:var(--color-surface-muted);border-bottom:1px solid var(--color-border)}.recipient-avatar{width:52px;height:52px;border-radius:50%;overflow:hidden;flex-shrink:0}.recipient-avatar img{width:100%;height:100%;object-fit:cover}.avatar-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;background:var(--color-primary-100);color:var(--color-primary-600)}.recipient-details h4{margin:0 0 4px;font-size:1.05rem;color:var(--color-heading)}.recipient-details p{margin:0;color:var(--color-text-muted);font-size:.9rem}.email-templates{padding:22px 24px;border-bottom:1px solid var(--color-border)}.email-templates h4{margin:0 0 12px;font-size:.95rem;font-weight:600;color:var(--color-heading)}.template-buttons{display:flex;flex-wrap:wrap;gap:10px}.template-btn{padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-heading);font-weight:600;font-size:.85rem;transition:background var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base)}.template-btn:hover{background:var(--color-primary-100);border-color:var(--color-primary-300);box-shadow:var(--shadow-sm)}.email-form{padding:24px;display:flex;flex-direction:column;gap:18px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-weight:600;font-size:.9rem;color:var(--color-heading)}.status-message{padding:10px 12px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:500}.error-message{background:#b423181a;color:var(--color-danger);border:1px solid rgba(180,35,24,.3)}.success-message{background:#1d814c1f;color:var(--color-success);border:1px solid rgba(29,129,76,.3)}.form-actions{margin-top:8px;display:flex;justify-content:flex-end;gap:12px}.cancel-btn{padding:10px 18px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-heading);font-weight:600;transition:background var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base)}.cancel-btn:hover:not(:disabled){background:var(--color-surface-muted);border-color:var(--color-border-strong);box-shadow:var(--shadow-sm)}.send-btn{display:flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-sm);border:none;background:var(--color-primary-600);color:#fff;font-weight:600;box-shadow:var(--shadow-sm)}.send-btn:hover:not(:disabled){background:var(--color-primary-500);box-shadow:var(--shadow-md)}.send-btn:disabled{opacity:.7;box-shadow:none}.spinner-small{width:16px;height:16px;border-radius:50%;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;animation:spin .8s linear infinite}@media (max-width: 768px){.email-composer-overlay{padding:12px}.composer-header,.recipient-info,.email-templates,.email-form{padding:20px}.form-actions{flex-direction:column}.cancel-btn,.send-btn{width:100%;justify-content:center}}.announcement-manager{padding:24px}.announcement-manager__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.announcement-manager__header h2{display:flex;align-items:center;gap:12px;margin:0;font-size:24px;color:var(--color-heading)}.announcement-manager__header h2 svg{width:28px;height:28px}.announcement-manager__loading{text-align:center;padding:48px;color:var(--color-text-muted)}.announcement-manager__error{display:flex;align-items:center;gap:12px;padding:16px 20px;margin-bottom:24px;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#991b1b}.announcement-manager__error svg{width:20px;height:20px;flex-shrink:0}.announcement-manager__error span{flex:1;font-size:14px}.announcement-manager__error .error-close{background:none;border:none;padding:4px;cursor:pointer;color:#991b1b;display:flex;align-items:center;justify-content:center;transition:opacity .2s}.announcement-manager__error .error-close:hover{opacity:.7}.announcement-manager__error .error-close svg{width:18px;height:18px}.announcement-manager__form{background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:12px;padding:24px;margin-bottom:24px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:600;color:var(--color-heading)}.form-group input[type=text],.form-group input[type=datetime-local],.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg);color:var(--color-text);font-size:14px;font-family:inherit}.form-group textarea{resize:vertical;min-height:80px}.form-group small{display:block;margin-top:4px;color:var(--color-text-muted);font-size:12px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer}.checkbox-label input[type=checkbox]{width:18px;height:18px;cursor:pointer}.form-actions{display:flex;gap:12px;margin-top:24px}.announcement-manager__list{display:grid;gap:16px}.announcement-manager__empty{text-align:center;padding:48px;background:var(--color-card-bg);border:1px dashed var(--color-border);border-radius:12px;color:var(--color-text-muted)}.announcement-manager__empty svg{width:48px;height:48px;margin-bottom:16px;opacity:.5}.announcement-card{background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:12px;padding:20px;transition:all .2s ease}.announcement-card:hover{box-shadow:0 4px 12px #0000001a}.announcement-card--info{border-left:4px solid #4a90e2}.announcement-card--warning{border-left:4px solid #f5a623}.announcement-card--error{border-left:4px solid #e74c3c}.announcement-card--inactive{opacity:.6}.announcement-card--expired{opacity:.5}.announcement-card__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.announcement-card__type{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.announcement-card__type svg{width:18px;height:18px}.announcement-card--info .announcement-card__type{color:#4a90e2}.announcement-card--warning .announcement-card__type{color:#f5a623}.announcement-card--error .announcement-card__type{color:#e74c3c}.announcement-card__status{display:flex;gap:8px}.badge{padding:4px 10px;border-radius:12px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge--active{background:#d4edda;color:#155724}.badge--inactive{background:#f8d7da;color:#721c24}.badge--expired{background:#e2e3e5;color:#383d41}.announcement-card__message{color:var(--color-text);font-size:15px;line-height:1.6;margin-bottom:16px}.announcement-card__meta{margin-bottom:16px}.announcement-card__dates{display:flex;flex-direction:column;gap:8px}.announcement-card__dates>div{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-text-muted)}.announcement-card__dates svg{width:16px;height:16px}.announcement-card__actions{display:flex;gap:8px;flex-wrap:wrap}.btn-small{padding:6px 12px;font-size:13px}.btn-warning{background:#f5a623;color:#fff}.btn-warning:hover{background:#e08e00}.btn-success{background:#2d9f4a;color:#fff}.btn-success:hover{background:#1f7c39}.btn-danger{background:#e74c3c;color:#fff}.btn-danger:hover{background:#c0392b}.theme-dark .announcement-manager__empty{background:var(--color-card-bg)}.theme-dark .badge--active{background:#1e4620;color:#7ed17e}.theme-dark .badge--inactive{background:#4a1e1e;color:#f5a6a6}.theme-dark .badge--expired{background:#2d2d2d;color:#b0b0b0}@media (max-width: 768px){.announcement-manager{padding:16px}.announcement-manager__header{flex-direction:column;align-items:stretch;gap:12px}.form-row{grid-template-columns:1fr}.form-actions,.announcement-card__actions{flex-direction:column}.announcement-card__actions button{width:100%}}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:var(--color-surface);border-radius:12px;max-width:480px;width:100%;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--color-border)}.modal-header h3{margin:0;font-size:18px;font-weight:600;color:var(--color-heading)}.modal-close{background:none;border:none;padding:4px;cursor:pointer;color:var(--color-text-muted);display:flex;align-items:center;justify-content:center;transition:color .2s}.modal-close:hover{color:var(--color-heading)}.modal-close svg{width:20px;height:20px}.modal-body{padding:24px}.modal-body p{margin:0;color:var(--color-text);line-height:1.6}.modal-footer{display:flex;justify-content:flex-end;gap:12px;padding:16px 24px;border-top:1px solid var(--color-border)}.admin-stats{display:flex;flex-direction:column;gap:24px}.stats-header{display:flex;align-items:center;gap:12px}.stats-header-icon{color:var(--color-primary-600)}.stats-title{margin:0;font-size:1.25rem;font-weight:600;color:var(--color-heading)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.stat-card{--tone-color: var(--color-primary-600);--tone-surface: rgba(0, 57, 166, .12);display:flex;align-items:center;gap:16px;padding:18px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base)}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--color-border-strong)}.stat-icon{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--tone-surface);color:var(--tone-color);flex-shrink:0}.stat-content{display:flex;flex-direction:column;gap:6px}.stat-label{margin:0;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted)}.stat-value{margin:0;font-size:1.75rem;font-weight:700;color:var(--color-heading);line-height:1}.tone-primary{--tone-color: var(--color-primary-600);--tone-surface: rgba(0, 57, 166, .12)}.tone-success{--tone-color: var(--color-success);--tone-surface: rgba(29, 129, 76, .12)}.tone-warning{--tone-color: var(--color-warning);--tone-surface: rgba(179, 107, 9, .12)}.tone-accent{--tone-color: var(--color-primary-500);--tone-surface: rgba(31, 95, 195, .12)}@media (max-width: 768px){.stats-grid{gap:16px}.stat-card{padding:16px}}.admin-panel{max-width:1180px;margin:0 auto;padding:8px 0 48px;display:flex;flex-direction:column;gap:24px}.admin-panel.loading,.admin-panel.unauthorized{min-height:calc(100vh - 120px);display:flex;align-items:center;justify-content:center;padding:12px}.admin-panel .loading-spinner{text-align:center;color:var(--color-text-muted);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:32px 36px;min-width:280px}.admin-panel .loading-spinner p{margin:0;font-size:.95rem}.admin-panel .spinner{width:42px;height:42px;margin:0 auto 18px;border-radius:50%;border:3px solid var(--color-border);border-top-color:var(--color-primary-600);animation:spin .8s linear infinite}.unauthorized-content{max-width:420px;padding:36px;border-radius:var(--radius-lg);border:1px solid var(--color-border);background:var(--color-surface);box-shadow:var(--shadow-sm);text-align:center}.unauthorized-icon{color:var(--color-danger);margin-bottom:16px}.unauthorized-content h1{margin:0 0 12px;font-size:1.6rem;color:var(--color-heading)}.unauthorized-content p{margin:0;color:var(--color-text-muted);font-size:.95rem}.unauthorized-content p+p{margin-top:6px}.admin-header{padding:26px 28px;background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.admin-heading{display:flex;align-items:center;gap:16px}.admin-heading-icon{color:var(--color-primary-600)}.admin-header h1{margin:0;font-size:1.85rem;font-weight:600;color:var(--color-heading)}.admin-header p{margin:6px 0 0;color:var(--color-text-muted);font-size:.98rem}.admin-tabs{display:flex;gap:8px;padding:0 4px;overflow-x:auto}.admin-tab{display:flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);font-size:.9rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);white-space:nowrap}.admin-tab:hover{background:var(--color-surface-muted);border-color:var(--color-primary-300);box-shadow:var(--shadow-xs)}.admin-tab.active{background:var(--color-primary-600);border-color:var(--color-primary-600);color:#fff;box-shadow:var(--shadow-sm)}.admin-tab svg{width:18px;height:18px}.admin-content{display:flex;flex-direction:column;gap:24px}.admin-section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:28px}@media (max-width: 768px){.admin-panel{padding:4px 0 32px}.admin-tabs{padding:0 2px}.admin-tab{padding:8px 14px;font-size:.85rem}.admin-tab svg{width:16px;height:16px}.admin-header,.admin-section{padding:22px}.admin-header h1{font-size:1.6rem}}.settings-page{padding:40px 24px;max-width:1000px;margin:0 auto}.settings-header{margin-bottom:32px}.back-button{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-weight:500;font-size:.9rem;margin-bottom:16px;cursor:pointer;transition:all var(--transition-base)}.settings-title{margin:0 0 6px;font-size:1.75rem;font-weight:700;color:var(--color-heading)}.settings-description{margin:0;color:var(--color-text-muted);font-size:.95rem}.settings-content{display:flex;flex-direction:column;gap:24px}.settings-section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:20px}.section-header{display:flex;align-items:center;gap:10px;padding-bottom:16px;margin-bottom:4px;border-bottom:1px solid var(--color-border)}.section-title{font-size:1.15rem;font-weight:700;margin:0;color:var(--color-heading)}.profile-display{display:flex;align-items:center;gap:16px;padding:4px 0}.profile-avatar{width:56px;height:56px;border-radius:50%;overflow:hidden;flex-shrink:0;border:2px solid var(--color-border)}.avatar-img{width:100%;height:100%;object-fit:cover}.avatar-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--color-primary-100);color:var(--color-primary-600);font-size:1.25rem;font-weight:600}.profile-details{display:flex;flex-direction:column;gap:2px}.profile-name{font-size:1rem;font-weight:600;color:var(--color-heading)}.profile-email{font-size:.85rem;color:var(--color-text-muted)}.setting-item{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0}.setting-info{flex:1;max-width:500px}.setting-label{font-size:.95rem;font-weight:600;color:var(--color-heading);margin-bottom:4px}.setting-description{font-size:.85rem;color:var(--color-text-muted);line-height:1.4}.toggle-switch{position:relative;width:44px;height:24px;background:var(--color-border-strong);border-radius:999px;padding:0;border:none;transition:background .2s ease;flex-shrink:0;cursor:pointer}.toggle-switch:hover:not(.active){background:#9ca3af}.toggle-switch.active{background:var(--color-primary-600)}.toggle-slider{position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .2s ease;box-shadow:0 1px 3px #0003}.toggle-switch.active .toggle-slider{transform:translate(20px)}.input-with-badge{position:relative;flex-shrink:0;width:240px}.setting-input{width:100%;padding:8px 90px 8px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);font-size:.9rem;color:var(--color-text);transition:border-color .2s ease,box-shadow .2s ease}.setting-input:disabled{cursor:not-allowed;opacity:.6;background:var(--color-surface-muted)}.setting-input:not(:disabled):hover{border-color:var(--color-primary-400)}.setting-input:not(:disabled):focus{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 3px #1f5fc31a}.coming-soon-badge{position:absolute;top:50%;right:8px;transform:translateY(-50%);font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.3px;color:var(--color-primary-600);background:var(--color-primary-100);padding:3px 7px;border-radius:4px;pointer-events:none}.action-button{width:100%;display:flex;align-items:center;gap:12px;padding:14px 0;background:none;border:none;text-align:left;transition:opacity .2s ease;cursor:pointer}.action-button:hover{opacity:.7}.action-logout{color:var(--color-heading)}.action-delete{color:var(--color-danger)}.action-info{flex:1}.action-label{font-size:.95rem;font-weight:600;margin-bottom:3px;color:inherit}.action-description{font-size:.85rem;color:var(--color-text-muted);line-height:1.3}.action-divider{height:1px;background:var(--color-border);margin:12px 0}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .2s ease}.modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:0 10px 40px #0003;max-width:450px;width:90%;padding:24px;animation:slideUp .2s ease}.modal-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}.modal-icon{color:var(--color-danger);flex-shrink:0}.modal-title{font-size:1.25rem;font-weight:700;color:var(--color-heading);margin:0}.modal-text{font-size:.95rem;color:var(--color-text);line-height:1.5;margin:0 0 24px}.modal-actions{display:flex;gap:10px;justify-content:flex-end}.modal-button{padding:10px 20px;border:none;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:6px}.modal-button:disabled{opacity:.5;cursor:not-allowed}.modal-button:not(:disabled):active{transform:scale(.98)}.modal-cancel{background:var(--color-surface-muted);color:var(--color-heading);border:1px solid var(--color-border)}.modal-cancel:hover:not(:disabled){background:var(--color-border)}.modal-confirm{background:var(--color-danger);color:#fff}.modal-confirm:hover:not(:disabled){background:#a32118}.modal-button .spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@media (max-width: 768px){.settings-page{padding:24px 16px}.settings-title{font-size:1.5rem}.section-header{font-size:1rem}.profile-display{flex-direction:column;align-items:flex-start}.setting-item{flex-direction:column;align-items:flex-start;gap:12px}.setting-info{max-width:100%}.toggle-switch,.input-with-badge{width:100%}.modal{max-width:calc(100vw - 32px);padding:20px}.modal-title{font-size:1.15rem}.modal-actions{flex-direction:column-reverse}.modal-button{width:100%;justify-content:center}}.theme-dark .action-button,.theme-dark .action-label{color:var(--color-heading)}.theme-dark .action-description{color:var(--color-text-muted)}.theme-dark .action-logout{color:var(--color-heading)}.theme-dark .section-header svg{color:var(--color-text)}.policy-main{padding:3rem 0 4rem}.policy-content{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:2rem}.policy-content h1{margin:0 0 .5rem;color:var(--color-heading);font-size:2rem;letter-spacing:-.02em}.policy-updated{margin:0 0 1.5rem;color:var(--color-text-muted)}.policy-section+.policy-section{margin-top:1.5rem}.policy-section h2{margin:1.5rem 0 .5rem;font-size:1.25rem;color:var(--color-heading)}.policy-section p,.policy-section li{color:var(--color-text)}.policy-section ul{padding-left:1.25rem}.policy-footer-links{display:flex;gap:.5rem;margin-top:2rem;align-items:center;color:var(--color-text-muted)}.policy-link{color:var(--color-primary-600)}.theme-dark .policy-link{color:var(--color-primary-300)}.schedule-builder{padding:40px 24px;max-width:1400px;margin:0 auto}.loading-state{text-align:center;padding:60px 20px;color:var(--color-text-muted);font-size:1.1rem}.schedule-header{margin-bottom:32px}.header-top{margin-bottom:16px}.back-button{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-weight:500;font-size:.9rem;cursor:pointer;transition:all var(--transition-base)}.back-button:hover{background:var(--color-surface-muted);border-color:var(--color-primary-400);color:var(--color-primary-600)}.back-icon{transform:rotate(90deg)}.header-content{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap}.header-text{flex:1}.schedule-title{margin:0 0 8px;font-size:2rem;font-weight:700;color:var(--color-heading)}.schedule-description{margin:0;color:var(--color-text-muted);font-size:1rem;line-height:1.6}.header-actions{display:flex;align-items:center;gap:12px}.term-selector{padding:10px 16px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:.95rem;font-weight:500;cursor:pointer;transition:border-color var(--transition-base)}.term-selector:hover{border-color:var(--color-primary-400)}.term-selector:focus{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 3px #1f5fc31a}.btn-primary{display:flex;align-items:center;gap:8px;padding:10px 20px;background:var(--color-primary-600);color:#fff;border:none;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;cursor:pointer;transition:all var(--transition-base)}.btn-primary:hover:not(:disabled){background:var(--color-primary-700)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.schedule-modal-overlay{position:fixed;inset:0;background:#11182773;display:flex;align-items:center;justify-content:center;z-index:1200;animation:fadeIn .2s ease forwards}.schedule-modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:min(720px,92vw);max-height:90vh;box-shadow:0 24px 48px #0f172a38;display:flex;flex-direction:column;animation:slideUp .2s ease forwards}.schedule-modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--color-border)}.schedule-modal-title{margin:0;font-size:1.25rem;font-weight:700;color:var(--color-heading)}.modal-close-btn{border:none;background:none;color:var(--color-text-muted);cursor:pointer;padding:6px;border-radius:var(--radius-sm);transition:color var(--transition-base)}.modal-close-btn:hover{color:var(--color-primary-600)}.schedule-modal-tabs{display:flex;gap:10px;padding:16px 24px 0}.modal-tab{flex:1;padding:10px 12px;border:1px solid var(--color-border);border-bottom:none;border-radius:var(--radius-sm) var(--radius-sm) 0 0;background:var(--color-surface-muted);color:var(--color-text-muted);font-weight:600;font-size:.9rem;cursor:pointer;transition:all var(--transition-base)}.modal-tab.is-active{background:var(--color-surface);color:var(--color-heading);border-color:var(--color-primary-400);box-shadow:inset 0 -2px 0 var(--color-primary-500)}.schedule-modal-body{padding:0 24px 24px;overflow-y:auto;max-height:calc(90vh - 160px);display:flex;flex-direction:column;gap:16px}.modal-search-form{display:flex;flex-direction:column;gap:16px;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:16px;background:var(--color-surface-muted)}.form-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.form-field{display:flex;flex-direction:column;gap:6px}.form-label{font-size:.8rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em}.form-field select,.form-field input{width:100%;padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);font-size:.95rem;color:var(--color-text);transition:border-color var(--transition-base)}.form-field select:focus,.form-field input:focus{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 3px #1f5fc326}.modal-actions-row{display:flex;justify-content:flex-end}.modal-action-btn{padding:10px 18px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-heading);font-weight:600;cursor:pointer;transition:all var(--transition-base);min-width:96px}.modal-action-btn.primary{background:var(--color-primary-600);color:#fff;border-color:var(--color-primary-600)}.modal-action-btn.primary:hover:not(:disabled){background:var(--color-primary-700);border-color:var(--color-primary-700)}.modal-action-btn:hover:not(:disabled){background:var(--color-surface-muted);border-color:var(--color-primary-400);color:var(--color-primary-600)}.modal-action-btn:disabled{opacity:.55;cursor:not-allowed}.modal-action-btn.remove{background:#b4231814;border-color:#b4231859;color:var(--color-danger)}.modal-action-btn.remove:hover:not(:disabled){background:#b4231826;border-color:#b4231880}.online-badge{display:inline-block;margin-left:8px;padding:3px 8px;border-radius:999px;background:#10b9811a;color:#059669;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.theme-dark .online-badge{background:#10b98133;color:#34d399}.modal-loading,.modal-empty,.modal-error{border:1px dashed var(--color-border);border-radius:var(--radius-md);padding:24px;font-size:.95rem;text-align:center;color:var(--color-text-muted)}.modal-error{border-style:solid;border-color:#c7292959;color:var(--color-danger, #b42318);background:#c7292914}.modal-link{margin-top:12px;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-primary-600);font-weight:600;cursor:pointer;transition:all var(--transition-base)}.modal-link:hover{background:var(--color-primary-50);border-color:var(--color-primary-400)}.add-list{display:flex;flex-direction:column;gap:16px}.add-list-item{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:16px;background:var(--color-surface)}.add-list-info{display:flex;flex-direction:column;gap:6px;max-width:calc(100% - 110px)}.add-list-title{font-weight:700;color:var(--color-heading);font-size:1rem}.add-list-crn{font-weight:500;color:var(--color-text-muted);font-size:.85rem}.add-list-subtitle{font-size:.95rem;color:var(--color-text-muted)}.add-modal-meeting{display:grid;grid-template-columns:minmax(0,120px) minmax(0,150px) minmax(0,1fr);gap:8px;font-size:.85rem;color:var(--color-text-muted)}.meeting-location{color:var(--color-text-muted)}.schedule-container{position:relative}.calendar-view{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);position:relative}.calendar-grid{display:grid;grid-template-columns:80px repeat(5,1fr);grid-template-rows:50px repeat(13,80px);gap:0;min-height:600px}.time-column{background:var(--color-surface-muted);border-right:2px solid var(--color-border);display:grid;grid-row:1 / -1;grid-column:1;grid-template-rows:50px repeat(13,80px);gap:0}.time-header{height:50px;border-bottom:2px solid var(--color-border);display:flex;align-items:center;justify-content:center;grid-row:1;background:var(--color-surface-muted)}.time-slot-label{height:80px;display:flex;align-items:flex-start;justify-content:center;padding-top:8px;font-size:.75rem;font-weight:600;color:var(--color-text-muted);border-bottom:1px solid var(--color-border)}.time-slot-label:last-child{border-bottom:1px solid var(--color-border)}.day-column{border-right:1px solid var(--color-border);display:grid;grid-template-rows:50px repeat(13,80px);gap:0;background:var(--color-surface)}.day-column:last-child{border-right:none}.day-header{height:50px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;color:var(--color-heading);border-bottom:2px solid var(--color-border);border-right:1px solid var(--color-border);background:var(--color-surface-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.day-column:last-child .day-header{border-right:none}.day-slots{display:contents}.time-slot{height:80px;border-bottom:1px solid var(--color-border);border-right:1px solid var(--color-border);position:relative;padding:4px;display:flex;flex-direction:column;background:var(--color-surface)}.day-column:last-child .time-slot{border-right:none}.time-slot:last-child{border-bottom:none}.class-block{position:absolute;background:var(--color-primary-100);border:2px solid var(--color-primary-400);border-radius:var(--radius-sm);padding:8px;cursor:pointer;transition:all var(--transition-base);overflow:hidden;outline:none;z-index:1}.class-block:hover{background:var(--color-primary-200);border-color:var(--color-primary-500);transform:scale(1.02);z-index:10;box-shadow:var(--shadow-md)}.class-block:focus{border-color:var(--color-primary-600);box-shadow:0 0 0 3px #1f5fc333}.class-block:active{transform:scale(.98)}.class-block-content{display:flex;flex-direction:column;gap:4px;height:100%}.class-code{font-weight:700;font-size:.85rem;color:var(--color-primary-900, #1a237e);line-height:1.2}.class-time{font-size:.7rem;color:var(--color-primary-800, #283593);font-weight:600}.class-location{font-size:.7rem;color:var(--color-primary-700, #3949ab)}.theme-dark .class-code,.theme-dark .class-time{color:#fff}.theme-dark .class-location{color:#ffffffd9}.remove-class-btn{position:absolute;top:4px;right:4px;width:20px;height:20px;border-radius:50%;background:var(--color-danger);color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:opacity var(--transition-base)}.class-block:hover .remove-class-btn{opacity:1}.remove-class-btn:hover{background:#b71c1c}.empty-schedule{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;padding:40px;max-width:400px;pointer-events:none;display:flex;flex-direction:column;align-items:center;justify-content:center}.empty-schedule svg{color:var(--color-text-muted);opacity:.3;margin-bottom:16px;display:block}.empty-schedule h3{margin:0 0 8px;font-size:1.25rem;color:var(--color-heading)}.empty-schedule p{margin:0 0 20px;color:var(--color-text-muted);font-size:.95rem;line-height:1.5}.empty-schedule .btn-secondary{pointer-events:all}.empty-schedule .btn-secondary svg{flex-shrink:0;opacity:1;color:currentColor;vertical-align:middle;margin-top:0;margin-bottom:0}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-weight:600;font-size:.95rem;cursor:pointer;transition:all var(--transition-base);pointer-events:all}.btn-secondary:hover{background:var(--color-surface-muted);border-color:var(--color-primary-400);color:var(--color-primary-600)}.class-detail-modal-overlay{position:fixed;inset:0;background:#11182780;display:flex;align-items:center;justify-content:center;z-index:1300;animation:fadeIn .2s ease forwards}.class-detail-modal{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:min(480px,92vw);max-height:85vh;overflow-y:auto;box-shadow:0 24px 48px #0f172a38;animation:slideUp .2s ease forwards}.class-detail-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--color-border);background:var(--color-surface-muted)}.class-detail-title{margin:0;font-size:1.5rem;font-weight:700;color:var(--color-heading)}.class-detail-close{border:none;background:none;color:var(--color-text-muted);cursor:pointer;padding:6px;border-radius:var(--radius-sm);transition:all var(--transition-base);display:flex;align-items:center;justify-content:center}.class-detail-close:hover{color:var(--color-primary-600);background:var(--color-surface)}.class-detail-body{padding:24px;display:flex;flex-direction:column;gap:16px}.class-detail-section{display:flex;flex-direction:column;gap:6px}.class-detail-label{font-size:.75rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em}.class-detail-value{font-size:1rem;color:var(--color-heading);font-weight:500}.class-detail-footer{padding:16px 24px;border-top:1px solid var(--color-border);background:var(--color-surface-muted)}.class-detail-remove-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;background:var(--color-danger, #dc2626);color:#fff;border:none;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;cursor:pointer;transition:all var(--transition-base)}.class-detail-remove-btn:hover{background:var(--color-danger-dark, #b91c1c)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 1200px){.calendar-grid{grid-template-columns:70px repeat(5,1fr)}.time-slot-label{font-size:.7rem}.class-code{font-size:.75rem}.class-time,.class-location{font-size:.65rem}}@media (max-width: 900px){.schedule-builder{padding:24px 16px}.header-content{flex-direction:column;align-items:stretch}.header-actions{width:100%;justify-content:space-between}.calendar-grid{grid-template-columns:60px repeat(5,1fr);grid-template-rows:50px repeat(13,70px);min-height:500px}.time-column,.day-column{grid-template-rows:50px repeat(13,70px)}.time-slot{height:70px}.time-slot-label{height:70px;font-size:.65rem;padding-top:6px}.day-header{font-size:.85rem;padding:8px 4px}.class-block{padding:6px}.class-code{font-size:.75rem}.class-time,.class-location{font-size:.6rem}}@media (max-width: 768px){.schedule-builder{padding:20px 12px}.schedule-title{font-size:1.5rem}.calendar-view{max-height:calc(100vh - 280px);overflow:auto;-webkit-overflow-scrolling:touch}.calendar-grid{grid-template-columns:50px repeat(5,1fr);grid-template-rows:45px repeat(13,60px);min-height:auto}.time-column{grid-template-rows:45px repeat(13,60px);position:sticky;left:0;z-index:2}.day-column{grid-template-rows:45px repeat(13,60px)}.time-header{height:45px;position:sticky;top:0;z-index:3}.time-slot{height:60px}.time-slot-label{height:60px;font-size:.6rem;padding-top:4px}.day-header{height:45px;font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;position:sticky;top:0;z-index:1}.class-block{padding:4px}.class-code{font-size:.7rem}.class-time,.class-location{font-size:.55rem}.remove-class-btn{width:18px;height:18px}.class-detail-modal{width:min(480px,95vw)}.class-detail-header{padding:16px 20px}.class-detail-title{font-size:1.25rem}.class-detail-body{padding:20px}}@media (max-width: 600px){.schedule-builder{padding:16px 8px}.schedule-title{font-size:1.3rem}.calendar-view{max-height:calc(100vh - 260px);overflow:auto;-webkit-overflow-scrolling:touch}.calendar-grid{grid-template-columns:45px repeat(5,1fr);grid-template-rows:40px repeat(13,55px)}.time-column{grid-template-rows:40px repeat(13,55px);position:sticky;left:0;z-index:2}.day-column{grid-template-rows:40px repeat(13,55px)}.time-header{height:40px;position:sticky;top:0;z-index:3}.time-slot{height:55px}.time-slot-label{height:55px;font-size:.55rem;padding-top:3px}.day-header{height:40px;font-size:.7rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;position:sticky;top:0;z-index:1}.class-block{padding:3px}.class-code{font-size:.65rem}.class-time,.class-location{font-size:.5rem}.remove-class-btn{width:16px;height:16px}.class-detail-modal{width:min(480px,96vw)}.class-detail-header{padding:14px 16px}.class-detail-title{font-size:1.15rem}.class-detail-body{padding:16px;gap:14px}.class-detail-footer{padding:14px 16px}.schedule-modal{width:min(520px,95vw);max-height:88vh}.schedule-modal-header{padding:16px 18px}.schedule-modal-tabs{flex-direction:column;gap:8px;padding:10px 18px 0}.modal-tab{border-radius:var(--radius-sm);border-bottom:1px solid var(--color-border)}.schedule-modal-body{padding:10px 18px 18px;max-height:calc(88vh - 150px)}.modal-search-form{padding:12px}.form-grid{grid-template-columns:1fr}.add-list-item{flex-direction:column}.add-list-info{max-width:100%}.modal-actions-row{justify-content:center}.modal-action-btn{width:100%}}.sidebar-backdrop{position:fixed;inset:0;background-color:#11182759;z-index:900;display:none}.sidebar{position:fixed;top:calc(64px + var(--announcement-banner-height, 0px));left:-260px;width:260px;height:calc(100vh - 64px - var(--announcement-banner-height, 0px));background:var(--color-surface);border-right:1px solid var(--color-border);box-shadow:var(--shadow-sm);transition:left .3s ease;z-index:950;display:flex;flex-direction:column;flex-shrink:0}.sidebar.open{left:0}.sidebar-nav{flex:1;padding:20px 0;overflow-y:auto}.nav-list{margin:0;padding:0;list-style:none}.nav-item+.nav-item{margin-top:4px}.nav-link{display:flex;align-items:center;width:100%;gap:12px;padding:12px 20px;background:transparent;border:none;text-align:left;color:var(--color-text);font-weight:500;border-radius:0;transition:background var(--transition-base),color var(--transition-base)}.nav-link:hover{background:var(--color-surface-muted);color:var(--color-primary-600)}.nav-link.active{position:relative;background:var(--color-primary-100);color:var(--color-primary-600)}.nav-link.active:before{content:"";position:absolute;inset:0;border-left:4px solid var(--color-primary-600)}.nav-icon{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;color:currentColor}.nav-label{flex:1}.badge{display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;padding:2px 6px;border-radius:var(--radius-sm);background:var(--color-warning);color:#fff}.nav-link[data-admin=true]{font-weight:600}@media (max-width: 768px){.sidebar-backdrop{display:block}.sidebar{top:calc(60px + var(--announcement-banner-height, 0px));height:calc(100vh - 60px - var(--announcement-banner-height, 0px));box-shadow:var(--shadow-md)}}@media (min-width: 1025px){.sidebar{box-shadow:none}.sidebar-backdrop{display:none!important}}.app-header{position:sticky;top:var(--announcement-banner-height, 0px);z-index:1000;display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 24px;background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-xs)}.header-left{display:flex;align-items:center;gap:16px}.menu-toggle{width:38px;height:38px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);cursor:pointer;transition:background var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base)}.hamburger{width:18px;height:2px;background:var(--color-heading);border-radius:2px;transition:background var(--transition-base)}.menu-toggle:hover{background:var(--color-primary-100);border-color:var(--color-primary-300);box-shadow:var(--shadow-sm)}.menu-toggle:hover .hamburger{background:var(--color-primary-600)}.title-button{display:flex;align-items:center;gap:12px;background:none;border:none;padding:0;cursor:pointer;color:var(--color-heading)}.title-text{display:flex;flex-direction:column;align-items:flex-start;line-height:1.1}.app-name{font-size:1.05rem;font-weight:600}.app-tagline{font-size:.75rem;color:var(--color-text-muted);letter-spacing:.2px}.app-logo{width:36px;height:36px}.header-right{display:flex;align-items:center;gap:12px}.user-profile-container{position:relative}.user-trigger{display:flex;align-items:center;gap:12px;border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface-muted);padding:6px 14px 6px 6px;cursor:pointer;transition:background var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base)}.user-trigger:hover{background:var(--color-surface);border-color:var(--color-primary-300);box-shadow:var(--shadow-sm)}.avatar-wrapper{width:36px;height:36px;border-radius:50%;overflow:hidden;display:flex;align-items:center;justify-content:center;background:var(--color-primary-100);color:var(--color-primary-600);font-weight:600}.avatar-image{width:100%;height:100%;object-fit:cover;border-radius:50%}.user-meta{display:flex;flex-direction:column;align-items:flex-start;line-height:1.2}.user-name{font-size:.9rem;font-weight:600;color:var(--color-heading)}.user-email{font-size:.75rem;color:var(--color-text-muted)}.user-chevron{color:var(--color-text-muted);transition:transform var(--transition-base),color var(--transition-base)}.user-chevron.open{transform:rotate(180deg);color:var(--color-heading)}.profile-dropdown{position:absolute;top:calc(100% + 10px);right:0;width:220px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);overflow:hidden;animation:fadeIn .16s ease;z-index:1010}.profile-info{padding:14px 16px;background:var(--color-surface-muted)}.profile-name{font-weight:600;font-size:.9rem;color:var(--color-heading)}.profile-email{font-size:.78rem;color:var(--color-text-muted)}.profile-actions{display:flex;flex-direction:column;gap:4px;padding:8px}.dropdown-action{width:100%;display:flex;align-items:center;gap:10px;padding:10px 12px;border:none;background:none;font-weight:600;justify-content:flex-start;border-radius:var(--radius-sm);transition:background var(--transition-base),color var(--transition-base);cursor:pointer}.dropdown-action:focus-visible{outline:3px solid rgba(31,95,195,.3);outline-offset:2px}.dropdown-theme{color:var(--color-heading)}.dropdown-theme:hover{background:var(--color-surface-muted);color:var(--color-primary-600)}.dropdown-settings{color:var(--color-heading)}.dropdown-settings:hover{background:var(--color-surface-muted);color:var(--color-primary-600)}.dropdown-logout{color:var(--color-danger)}.dropdown-logout:hover{background:#b423181f;color:var(--color-danger)}.dropdown-icon{flex-shrink:0;color:inherit}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.app-header{padding:0 16px;height:60px}.title-text{display:none}.user-trigger{padding:4px 8px 4px 4px}.user-email{display:none}}.announcement-banner{width:100%;padding:12px 20px;position:sticky;top:0;z-index:1100;animation:slideDown .3s ease-out}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.announcement-banner--info{background:linear-gradient(135deg,#4a90e2,#357abd);color:#fff}.announcement-banner--warning{background:linear-gradient(135deg,#f5a623,#e08e00);color:#fff}.announcement-banner--error{background:linear-gradient(135deg,#e74c3c,#c0392b);color:#fff}.announcement-banner__content{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:12px;position:relative}.announcement-banner__icon{width:20px;height:20px;flex-shrink:0}.announcement-banner__message{flex:1;font-size:14px;line-height:1.5;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.announcement-banner__indicator{display:flex;gap:6px;align-items:center;margin:0 8px}.announcement-banner__dot{width:6px;height:6px;border-radius:50%;background:#ffffff80;border:none;cursor:pointer;transition:all .3s ease;padding:0}.announcement-banner__dot.active{background:#fff;width:8px;height:8px}.announcement-banner__dot:hover{background:#fffc}.announcement-banner__close{background:none;border:none;color:inherit;cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background .2s ease}.announcement-banner__close:hover{background:#0000001a}.announcement-banner__close svg{width:18px;height:18px}@media (max-width: 768px){.announcement-banner{padding:10px 16px}.announcement-banner__message{font-size:13px;white-space:normal}.announcement-banner__indicator{display:none}}.dashboard-layout{min-height:100vh;display:flex;flex-direction:column;background:var(--color-page-background)}.dashboard-content{flex:1;display:flex;align-items:stretch;position:relative}.main-content{flex:1;padding:32px 40px;transition:margin-left .3s ease}.main-content.sidebar-open{margin-left:260px}.content-wrapper{max-width:1200px;margin:0 auto;width:100%;min-height:calc(100vh - 120px)}@media (max-width: 1024px){.main-content{padding:28px}.main-content.sidebar-open{margin-left:0}}@media (max-width: 768px){.main-content{padding:20px}}:root{--color-primary-900: #0b1c3d;--color-primary-700: #0f2f61;--color-primary-600: #0039a6;--color-primary-500: #1f5fc3;--color-primary-300: #7fa9e6;--color-primary-100: #e4eef9;--color-accent: #1f5fc3;--color-page-background: #f5f6fb;--color-surface: #ffffff;--color-surface-muted: #f1f4f9;--color-border: #d6deeb;--color-border-strong: #b5bfd3;--color-text: #1f2937;--color-text-muted: #4b5563;--color-heading: #152044;--color-success: #1d814c;--color-warning: #b36b09;--color-danger: #b42318;--shadow-xs: 0 1px 0 rgba(15, 23, 42, .06);--shadow-sm: 0 2px 6px rgba(15, 23, 42, .08);--shadow-md: 0 12px 30px rgba(15, 23, 42, .12);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--transition-base: .15s ease}*,*:before,*:after{box-sizing:border-box}html,body{min-height:100%}body{margin:0;background:var(--color-page-background);color:var(--color-text);font-family:Inter,Segoe UI,-apple-system,BlinkMacSystemFont,Helvetica Neue,Arial,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background-color .3s ease,color .3s ease}#root{min-height:100vh;background:var(--color-page-background);transition:background-color .3s ease}main{display:block}a{color:inherit;text-decoration:none}a:hover,a:focus{color:var(--color-primary-600)}button,input,select,textarea{font:inherit}button{cursor:pointer;border:none;border-radius:var(--radius-sm);transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base),color .3s ease,border-color .3s ease}button:disabled{cursor:not-allowed;opacity:.65;box-shadow:none;transform:none}input,select,textarea{border-radius:var(--radius-sm);border:1px solid var(--color-border);padding:.65rem .75rem;background:var(--color-surface);color:var(--color-text);transition:border-color var(--transition-base),box-shadow var(--transition-base),background-color .3s ease,color .3s ease}input::placeholder,textarea::placeholder{color:var(--color-text-muted);opacity:.7}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 3px #1f5fc32e}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#15204440;border-radius:99px}::-webkit-scrollbar-track{background:transparent}.theme-dark{--color-page-background: #11234e;--color-surface: #0b1625;--color-surface-muted: #152a45;--color-border: #1e3352;--color-border-strong: #2f4a6d;--color-text: #e4ecf8;--color-text-muted: #9db2d2;--color-heading: #f7fbff;--color-primary-100: #1c2f52;--color-primary-300: #4668a8;--shadow-xs: 0 1px 0 rgba(0, 0, 0, .4);--shadow-sm: 0 6px 16px rgba(3, 10, 22, .45);--shadow-md: 0 20px 40px rgba(3, 10, 22, .6)}.theme-dark body{background:var(--color-page-background);color:var(--color-text)}.theme-dark a:hover,.theme-dark a:focus{color:var(--color-primary-300)}.theme-dark ::-webkit-scrollbar-thumb{background:#94b2da4d}.theme-dark select option{background:var(--color-surface);color:var(--color-text)}.theme-dark input::placeholder,.theme-dark textarea::placeholder{color:var(--color-text-muted);opacity:.8}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
