:root{--bg-main: #0b0f19;--bg-card: rgba(22, 28, 45, .7);--bg-card-hover: rgba(30, 38, 60, .85);--bg-panel: #111827;--bg-input: #1f293d;--border-color: rgba(255, 255, 255, .08);--border-color-strong: rgba(255, 255, 255, .16);--text-primary: #f3f4f6;--text-secondary: #9ca3af;--text-muted: #6b7280;--accent-primary: #6366f1;--accent-primary-hover: #4f46e5;--accent-primary-glow: rgba(99, 102, 241, .35);--accent-danger: #ef4444;--accent-danger-bg: rgba(239, 68, 68, .15);--accent-warning: #f59e0b;--accent-warning-bg: rgba(245, 158, 11, .15);--accent-success: #10b981;--accent-success-bg: rgba(16, 185, 129, .15);--accent-info: #06b6d4;--gap-pattern-bg: rgba(245, 158, 11, .08);--gap-border-color: rgba(245, 158, 11, .4);--font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", monospace;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 2px 6px rgba(0, 0, 0, .15);--shadow-md: 0 6px 18px rgba(0, 0, 0, .25);--shadow-lg: 0 12px 28px rgba(0, 0, 0, .35)}[data-theme=light]{--bg-main: #f8fafc;--bg-card: rgba(255, 255, 255, .85);--bg-card-hover: #ffffff;--bg-panel: #ffffff;--bg-input: #f1f5f9;--border-color: rgba(0, 0, 0, .08);--border-color-strong: rgba(0, 0, 0, .15);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--accent-primary: #4f46e5;--accent-primary-hover: #4338ca;--accent-primary-glow: rgba(79, 70, 229, .2);--gap-pattern-bg: rgba(245, 158, 11, .12);--gap-border-color: rgba(245, 158, 11, .5);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--shadow-lg: 0 16px 36px rgba(0, 0, 0, .12)}[data-mode=arcade]{--bg-main: #070512;--bg-card: rgba(18, 12, 38, .92);--bg-card-hover: rgba(30, 20, 62, .95);--bg-panel: #0d0822;--bg-input: #170f36;--border-color: rgba(0, 240, 255, .35);--border-color-strong: rgba(255, 0, 127, .6);--text-primary: #ffffff;--text-secondary: #00f0ff;--text-muted: #b0a6e0;--accent-primary: #ff007f;--accent-primary-hover: #e0006f;--accent-primary-glow: rgba(255, 0, 127, .6);--accent-danger: #ff2a6d;--accent-danger-bg: rgba(255, 42, 109, .25);--accent-warning: #ffe600;--accent-warning-bg: rgba(255, 230, 0, .25);--accent-success: #00ff66;--accent-success-bg: rgba(0, 255, 102, .25);--accent-info: #00f0ff;--gap-pattern-bg: rgba(255, 230, 0, .15);--gap-border-color: #ffe600;--font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", monospace;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 10px;--shadow-sm: 3px 3px 0px #000000;--shadow-md: 4px 4px 0px #000000, 0 0 10px rgba(0, 240, 255, .25);--shadow-lg: 6px 6px 0px #000000, 0 0 18px rgba(255, 0, 127, .35)}[data-mode=arcade][data-theme=light]{--bg-main: #f5f0ff;--bg-card: rgba(255, 255, 255, .95);--bg-card-hover: #ffffff;--bg-panel: #ffffff;--bg-input: #ebdfff;--border-color: rgba(107, 0, 139, .3);--border-color-strong: rgba(255, 0, 127, .6);--text-primary: #170a38;--text-secondary: #6b008b;--text-muted: #7d6b9e;--shadow-sm: 3px 3px 0px rgba(0, 0, 0, .15);--shadow-md: 4px 4px 0px rgba(0, 0, 0, .2), 0 0 10px rgba(107, 0, 139, .15);--shadow-lg: 6px 6px 0px rgba(0, 0, 0, .25), 0 0 18px rgba(255, 0, 127, .2)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-primary);line-height:1.5;min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}.custom-scrollbar::-webkit-scrollbar{width:6px;height:6px}.custom-scrollbar::-webkit-scrollbar-track{background:transparent}.custom-scrollbar::-webkit-scrollbar-thumb{background:var(--border-color-strong);border-radius:99px}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.app-container{display:flex;flex-direction:column;height:100vh;padding:16px 20px;gap:16px}.app-header{display:flex;justify-content:space-between;align-items:center;background:var(--bg-panel);border:1px solid var(--border-color);padding:12px 20px;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);gap:16px}.header-main-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:12px}.brand-logo{width:42px;height:42px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent-primary),#8b5cf6);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px var(--accent-primary-glow);flex-shrink:0}.brand-title{font-size:1.25rem;font-weight:800;letter-spacing:-.02em;background:linear-gradient(135deg,var(--text-primary),var(--accent-primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap}.brand-subtitle{font-size:.75rem;color:var(--text-secondary);font-weight:500;white-space:nowrap}.header-quick-controls{display:flex;align-items:center;gap:6px}.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .2s ease;font-family:inherit;white-space:nowrap}.btn-primary{background:var(--accent-primary);color:#fff}.btn-primary:hover{background:var(--accent-primary-hover);transform:translateY(-1px)}.btn-secondary{background:var(--bg-card);border-color:var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-color-strong)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary);background:var(--border-color)}.btn-outline{background:transparent;border-color:var(--border-color-strong);color:var(--text-primary)}.btn-outline:hover{background:var(--bg-card-hover)}.btn-outline-danger{background:var(--accent-danger-bg);border-color:var(--accent-danger);color:var(--accent-danger)}.btn-outline-danger:hover{background:var(--accent-danger);color:#fff}.btn-sm{padding:6px 12px;font-size:.8rem}.icon-only{padding:8px;border-radius:var(--radius-md)}.badge-pill{background:#fff3;padding:2px 8px;border-radius:99px;font-size:.75rem}.conflict-banner{display:flex;align-items:center;justify-content:space-between;background:var(--accent-danger-bg);border:1px solid var(--accent-danger);padding:10px 18px;border-radius:var(--radius-md);color:#f87171;font-size:.875rem;animation:slideDown .3s ease}.conflict-banner-content{display:flex;align-items:center;gap:10px}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.app-main-grid{display:grid;grid-template-columns:340px 1fr 340px;gap:16px;flex:1;min-height:0}.sidebar-panel,.timetable-panel,.analytics-panel{background:var(--bg-panel);border:1px solid var(--border-color);border-radius:var(--radius-lg);display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow-sm)}.panel-header{padding:16px 20px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.panel-title{font-size:1rem;font-weight:700}.panel-subtitle{font-size:.75rem;color:var(--text-secondary)}.badge{background:var(--bg-input);color:var(--accent-primary);border:1px solid var(--border-color);padding:4px 10px;border-radius:99px;font-size:.75rem;font-weight:600}.search-box{padding:12px 16px;border-bottom:1px solid var(--border-color);position:relative;display:flex;align-items:center;gap:8px;color:var(--text-muted)}.search-box input{width:100%;background:var(--bg-input);border:1px solid var(--border-color);padding:8px 12px 8px 32px;border-radius:var(--radius-md);color:var(--text-primary);font-size:.85rem;outline:none;font-family:inherit}.search-box input:focus{border-color:var(--accent-primary)}.search-box svg{position:absolute;left:28px}.course-section-list{padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:14px;flex:1}.empty-course-state{text-align:center;padding:36px 16px;color:var(--text-secondary);display:flex;flex-direction:column;align-items:center;justify-content:center;margin:auto 0}.empty-course-state .empty-icon{font-size:2.8rem;margin-bottom:12px}.empty-course-state .empty-title{font-weight:700;font-size:1.05rem;color:var(--text-primary);margin-bottom:6px}.empty-course-state .empty-sub{font-size:.8rem;color:var(--text-secondary);max-width:240px;line-height:1.4;margin-bottom:18px}.empty-search-state{text-align:center;padding:24px;color:var(--text-secondary);font-size:.85rem}.course-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px;transition:all .2s ease}.course-card:hover{border-color:var(--border-color-strong)}.course-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.course-badge{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.85rem;color:#fff;padding:3px 10px;border-radius:6px}.course-title{font-size:.8rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.sections-group{display:flex;flex-direction:column;gap:8px}.section-item{display:flex;flex-direction:column;padding:10px 12px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid transparent;cursor:pointer;transition:all .2s ease;position:relative}.section-item:hover{border-color:var(--border-color-strong);transform:translate(2px)}.section-item.selected{border-color:var(--accent-primary);background:#6366f11f}.section-item.has-conflict{border-color:var(--accent-danger);background:#ef444414}.section-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.section-radio{display:flex;align-items:center;gap:8px;font-weight:700;font-size:.85rem}.section-radio input[type=radio]{accent-color:var(--accent-primary);cursor:pointer}.section-instructor{font-size:.75rem;color:var(--text-secondary)}.section-location{font-size:.725rem;color:var(--text-muted);display:flex;align-items:center;gap:4px;margin-top:2px}.section-time-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}.time-tag{background:var(--border-color);font-family:var(--font-mono);font-size:.7rem;padding:2px 6px;border-radius:4px;color:var(--text-secondary)}.conflict-tag{color:var(--accent-danger);font-weight:600;font-size:.7rem;display:flex;align-items:center;gap:4px;margin-top:4px}.timetable-panel{display:flex;flex-direction:column}.timetable-header-bar{padding:12px 20px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;background:var(--bg-card)}.timetable-title-group{display:flex;align-items:center;gap:16px}.timetable-legend{display:flex;gap:12px;font-size:.75rem;color:var(--text-secondary)}.legend-item{display:flex;align-items:center;gap:5px}.legend-dot{width:8px;height:8px;border-radius:50%}.legend-dot.active{background:var(--accent-primary)}.legend-dot.preview{background:var(--accent-info)}.legend-dot.gap{background:var(--accent-warning)}.toggle-switch{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--text-secondary);cursor:pointer}.toggle-switch input{display:none}.toggle-slider{width:36px;height:20px;background:var(--bg-input);border-radius:99px;position:relative;transition:.3s;border:1px solid var(--border-color)}.toggle-slider:before{content:"";position:absolute;width:14px;height:14px;left:2px;top:2px;background:var(--text-secondary);border-radius:50%;transition:.3s}.toggle-switch input:checked+.toggle-slider{background:var(--accent-primary)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(16px);background:#fff}.timetable-container{flex:1;overflow:auto;position:relative}.timetable-grid{display:grid;grid-template-columns:65px repeat(var(--day-count, 5),1fr);grid-template-rows:auto repeat(var(--hour-count, 13),70px);min-width:650px;position:relative;background:var(--bg-main)}.day-column-overlay{position:relative;height:100%;pointer-events:none;z-index:2}.time-header-cell{background:var(--bg-panel);border-bottom:1px solid var(--border-color);border-right:1px solid var(--border-color);padding:10px;font-size:.75rem;font-weight:700;text-align:center;color:var(--text-secondary);position:sticky;top:0;z-index:10}.day-header-cell{background:var(--bg-panel);border-bottom:1px solid var(--border-color);border-right:1px solid var(--border-color);padding:10px 4px;text-align:center;position:sticky;top:0;z-index:10}.day-name{font-size:.85rem;font-weight:700}.day-sub{font-size:.7rem;color:var(--text-muted)}.time-slot-label{border-right:1px solid var(--border-color);border-bottom:1px solid var(--border-color);font-family:var(--font-mono);font-size:.7rem;color:var(--text-muted);text-align:center;padding-top:4px;height:70px}.day-column{border-right:1px solid var(--border-color);position:relative;height:910px}.hour-line{position:absolute;left:0;right:0;height:1px;background:var(--border-color)}.calendar-event{position:absolute;left:4px;right:4px;border-radius:var(--radius-sm);padding:6px 8px;color:#fff;font-size:.75rem;overflow:hidden;box-shadow:0 4px 12px #0003;transition:all .2s cubic-bezier(.4,0,.2,1);z-index:2;display:flex;flex-direction:column;justify-content:space-between;border:1px solid rgba(255,255,255,.2);pointer-events:auto}.calendar-event:hover{z-index:5;transform:scale(1.03);box-shadow:0 8px 20px #00000059;overflow:visible;min-height:fit-content}.event-code{font-weight:800;font-size:.8rem;line-height:1.1}.event-sec{font-weight:600;opacity:.9;font-size:.725rem}.event-time{font-family:var(--font-mono);font-size:.675rem;opacity:.85}.event-location{font-size:.675rem;opacity:.85;display:flex;align-items:center;gap:3px}.calendar-event.preview-block{opacity:.6;border:2px dashed #ffffff!important;animation:pulseGlow 1.5s infinite alternate;z-index:4}@keyframes pulseGlow{0%{opacity:.4}to{opacity:.75}}.calendar-event.conflict-block{background:repeating-linear-gradient(45deg,#ef4444,#ef4444 10px,#991b1b 10px,#991b1b 20px)!important;border:2px solid #f87171!important;z-index:6}.gap-band{position:absolute;left:6px;right:6px;background:var(--gap-pattern-bg);border:1px dashed var(--gap-border-color);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--accent-warning);font-size:.7rem;font-weight:700;font-family:var(--font-mono);z-index:1;pointer-events:none}.gap-band-content{background:var(--bg-panel);padding:2px 6px;border-radius:4px;border:1px solid var(--gap-border-color);display:flex;align-items:center;gap:4px;box-shadow:var(--shadow-sm)}.analytics-panel{padding:16px;overflow-y:auto;gap:16px}.stat-cards-grid{display:flex;flex-direction:column;gap:12px}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px;display:flex;flex-direction:column;gap:8px}.stat-header{display:flex;align-items:center;justify-content:space-between}.stat-label{font-size:.75rem;font-weight:600;color:var(--text-secondary)}.stat-icon{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.gap-icon{background:#f59e0b26;color:var(--accent-warning)}.campus-icon{background:#6366f126;color:var(--accent-primary)}.class-icon{background:#10b98126;color:var(--accent-success)}.stat-value-group{display:flex;align-items:baseline;gap:6px}.stat-value{font-size:1.75rem;font-weight:800;letter-spacing:-.03em}.stat-unit{font-size:.75rem;color:var(--text-muted)}.stat-footer-badge{display:inline-flex;align-items:center;gap:5px;align-self:flex-start;font-size:.7rem;font-weight:600;padding:3px 8px;border-radius:var(--radius-sm);border:1px solid transparent}.stat-footer-badge.success{background:var(--accent-success-bg);color:var(--accent-success)}.stat-footer-badge.warning{background:var(--accent-warning-bg);color:var(--accent-warning)}.stat-footer-badge.danger{background:var(--accent-danger-bg);color:var(--accent-danger)}.stat-footnote{font-size:.725rem;color:var(--text-muted)}.badges-container{display:flex;flex-wrap:wrap;gap:6px}.badge-tag{font-size:.75rem;font-weight:600;padding:4px 10px;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);display:inline-flex;align-items:center;gap:6px}.badge-tag.success{border-color:#10b9814d;background:#10b98114;color:var(--accent-success)}.badge-tag.warning{border-color:#f59e0b4d;background:#f59e0b14;color:var(--accent-warning)}.section-title{font-size:.85rem;font-weight:700;margin-bottom:10px;color:var(--text-secondary)}.daily-breakdown-list{display:flex;flex-direction:column;gap:8px}.day-breakdown-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:10px 12px;display:flex;flex-direction:column;gap:4px;transition:all .2s ease}.day-breakdown-card.day-off{background:#ffffff05;opacity:.7}.day-breakdown-header{display:flex;align-items:center;justify-content:space-between;font-size:.8rem;font-weight:700}.day-title{color:var(--text-primary)}.day-free-status{font-size:.75rem;color:var(--text-muted);font-weight:500;display:inline-flex;align-items:center;gap:4px}.drawer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:3000;display:flex;justify-content:flex-end;animation:fadeIn .2s ease}.drawer-content{width:520px;max-width:100%;background:var(--bg-panel);height:100%;display:flex;flex-direction:column;border-left:1px solid var(--border-color);box-shadow:var(--shadow-lg);animation:slideLeft .3s cubic-bezier(.16,1,.3,1)}@keyframes slideLeft{0%{transform:translate(100%)}to{transform:translate(0)}}.drawer-header{padding:20px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:flex-start}.drawer-title{font-size:1.2rem;font-weight:800}.drawer-subtitle{font-size:.8rem;color:var(--text-secondary)}.drawer-controls{padding:12px 20px;border-bottom:1px solid var(--border-color);display:flex;flex-direction:column;gap:10px;background:var(--bg-card)}.filter-tabs{display:flex;flex-wrap:wrap;background:var(--bg-input);padding:4px;border-radius:var(--radius-md);gap:4px}.filter-tab{flex:1 1 auto;min-width:88px;padding:6px;border:none;background:transparent;color:var(--text-secondary);font-size:.75rem;font-weight:600;border-radius:var(--radius-sm);cursor:pointer;transition:.2s}.filter-tab.active{background:var(--bg-panel);color:var(--text-primary);box-shadow:var(--shadow-sm)}.combo-summary{font-size:.75rem;color:var(--text-muted);text-align:right}.combinations-list{padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:14px;flex:1}.combo-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px;display:flex;flex-direction:column;gap:10px;transition:.2s}.combo-card:hover{border-color:var(--accent-primary)}.combo-card.active-combo{border-color:var(--accent-primary);box-shadow:0 0 0 2px var(--accent-primary-glow)}.combo-card-header{display:flex;justify-content:space-between;align-items:center}.combo-rank{font-size:.85rem;font-weight:800;color:var(--accent-primary)}.combo-metrics{display:flex;align-items:center;gap:12px;font-size:.75rem;color:var(--text-secondary)}.combo-metrics span{display:inline-flex;align-items:center;gap:4px}.combo-sections-list{display:flex;flex-wrap:wrap;gap:6px}.combo-section-chip{padding:4px 8px;border-radius:6px;font-size:.7rem;font-weight:700;color:#fff}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:3000;display:flex;align-items:center;justify-content:center;padding:20px;overflow-y:auto;animation:fadeIn .2s ease}.modal-card{width:600px;max-width:100%;max-height:90vh;max-height:min(90dvh,900px);background:var(--bg-panel);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);overflow:hidden;display:flex;flex-direction:column}.modal-header{padding:16px 20px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;background:var(--bg-card);flex-shrink:0}.modal-tabs{display:flex;gap:8px}.modal-tab{background:transparent;border:none;font-size:.9rem;font-weight:700;color:var(--text-secondary);padding:6px 12px;border-radius:var(--radius-sm);cursor:pointer}.modal-tab.active{background:var(--bg-input);color:var(--accent-primary)}.modal-body{padding:20px;flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.tab-pane{display:none}.tab-pane.active{display:block}.modal-hint{font-size:.8rem;color:var(--text-secondary);margin-bottom:12px}.textarea-wrapper textarea{width:100%;height:clamp(120px,26vh,220px);background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px;color:var(--text-primary);font-family:var(--font-mono);font-size:.825rem;outline:none;resize:vertical}.modal-footer{margin-top:16px;display:flex;justify-content:flex-end;gap:10px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-group,.time-input-group,.section-builder-card,.sections-builder-container{min-width:0}.form-group input,.form-group select,.form-group textarea,.time-slot-row select,.time-slot-row input[type=time]{min-width:0;max-width:100%}.schedule-slots-header,.section-card-header{flex-wrap:wrap;gap:8px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group.full-width{grid-column:span 2}.form-group label{font-size:.75rem;font-weight:700;color:var(--text-secondary)}.form-group input[type=text],.form-group input[type=time]{background:var(--bg-input);border:1px solid var(--border-color);padding:8px 12px;border-radius:var(--radius-sm);color:var(--text-primary);outline:none;font-family:inherit}.form-group input[type=color]{height:38px;width:100%;border:none;border-radius:var(--radius-sm);cursor:pointer}.form-section-divider{grid-column:span 2;font-size:.8rem;font-weight:700;color:var(--accent-primary);border-bottom:1px solid var(--border-color);padding-bottom:4px;margin-top:8px}.days-checkbox-group{display:flex;gap:8px;flex-wrap:wrap}.day-chip{display:flex;align-items:center;gap:4px;background:var(--bg-input);border:1px solid var(--border-color);padding:4px 8px;border-radius:6px;font-size:.75rem;cursor:pointer}.hidden{display:none!important}@media(max-width:800px){.app-container{height:auto;overflow-y:auto}.app-main-grid{grid-template-columns:1fr}.sidebar-panel,.timetable-panel,.analytics-panel{height:500px}}.crt-scanlines{display:none}[data-mode=arcade] .crt-scanlines{display:block;position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:9999;background:linear-gradient(#12101000 50%,#00000040 50%);background-size:100% 4px;opacity:.5}.arcade-badge-tag{display:none;color:#fff}[data-mode=arcade] .arcade-badge-tag{display:inline-block;font-family:"Press Start 2P",monospace;font-size:.55rem;padding:2px 6px;background:#ff007f;color:#fff;border-radius:3px;letter-spacing:1px;filter:drop-shadow(0 0 6px #ff007f);vertical-align:middle;margin-left:6px}@media(prefers-reduced-motion:no-preference){.arcade-badge-tag{animation:arcade-pulse 1.5s infinite alternate}}@keyframes arcade-pulse{0%{filter:drop-shadow(0 0 4px #ff007f);transform:scale(1)}to{filter:drop-shadow(0 0 10px #00f0ff);transform:scale(1.05)}}[data-mode=arcade] body{font-family:Plus Jakarta Sans,-apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:.2px;background-image:radial-gradient(circle at 50% 0%,rgba(255,0,127,.12),transparent 60%),radial-gradient(circle at 100% 100%,rgba(0,240,255,.1),transparent 50%)}[data-mode=arcade] .brand-title{font-family:Plus Jakarta Sans,sans-serif;font-weight:800;font-size:1.35rem;color:#00f0ff;text-shadow:0 0 8px rgba(0,240,255,.5)}[data-mode=arcade] .panel-title,[data-mode=arcade] .drawer-title{font-family:Plus Jakarta Sans,sans-serif;font-weight:700;font-size:1.15rem;color:#ffe600;text-transform:uppercase;text-shadow:0 0 6px rgba(255,230,0,.4)}[data-mode=arcade] .panel-subtitle,[data-mode=arcade] .drawer-subtitle{font-family:Plus Jakarta Sans,sans-serif;font-size:.85rem;color:var(--text-muted)}[data-mode=arcade] .btn{font-family:Plus Jakarta Sans,sans-serif;font-weight:700;font-size:.85rem;letter-spacing:.3px;border-radius:4px;box-shadow:3px 3px #000;border:1px solid var(--border-color);transition:all .1s ease}[data-mode=arcade] .btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px #000,0 0 10px #00f0ff66}[data-mode=arcade] .btn:active{transform:translate(2px,2px);box-shadow:1px 1px #000}[data-mode=arcade] .btn-primary{background:linear-gradient(135deg,#ff007f,#d6006b);color:#fff;border:1px solid #ff59ab;text-shadow:0 1px 2px rgba(0,0,0,.6)}[data-mode=arcade] .btn-primary:hover{box-shadow:4px 4px #000,0 0 16px #ff007fb3}.btn-mode-switcher{font-family:Plus Jakarta Sans,sans-serif;font-weight:700;font-size:.8rem;padding:6px 12px;border-radius:6px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all .2s ease}[data-mode=arcade] .btn-mode-switcher{background:#170f36;border:1px solid #00f0ff;color:#00f0ff;box-shadow:3px 3px #000,0 0 8px #00f0ff66}[data-mode=arcade] .btn-mode-switcher:hover{background:#00f0ff;color:#070512;box-shadow:4px 4px #000,0 0 14px #00f0ff}[data-mode=regular] .btn-mode-switcher{background:var(--bg-input);border:1px solid var(--border-color-strong);color:var(--text-primary)}[data-mode=arcade] .sidebar-panel,[data-mode=arcade] .timetable-panel,[data-mode=arcade] .analytics-panel,[data-mode=arcade] .drawer-content,[data-mode=arcade] .modal-card{border:2px solid rgba(0,240,255,.35);box-shadow:5px 5px #000,inset 0 0 15px #00f0ff0d}[data-mode=arcade] .app-header{border-bottom:2px solid rgba(255,0,127,.4);box-shadow:0 4px 12px #00000080}[data-mode=arcade] .stat-card{border:2px solid rgba(255,230,0,.35);box-shadow:4px 4px #000}[data-mode=arcade] .stat-card.gap-card{border-color:#ffe60099}[data-mode=arcade] .stat-card.campus-card{border-color:#00f0ff99}[data-mode=arcade] .stat-card.class-card{border-color:#ff007f99}[data-mode=arcade] .stat-label{font-family:Plus Jakarta Sans,sans-serif;font-weight:700;font-size:.85rem;letter-spacing:.5px;color:var(--text-primary);text-transform:uppercase}[data-mode=arcade] .stat-value{font-family:"Press Start 2P",monospace;font-size:1.25rem;color:#0f6;text-shadow:0 0 8px rgba(0,255,102,.6)}[data-mode=arcade] .course-card{border:1px solid rgba(0,240,255,.25);box-shadow:3px 3px #000}[data-mode=arcade] .course-card:hover{border-color:#00f0ff;box-shadow:4px 4px #000,0 0 10px #00f0ff4d}[data-mode=arcade] .course-code{font-family:JetBrains Mono,monospace;font-weight:700;font-size:.85rem;color:#00f0ff}[data-mode=arcade] .section-btn{font-family:Plus Jakarta Sans,sans-serif;font-weight:600;font-size:.85rem;border-radius:4px}[data-mode=arcade] .section-btn.selected{background:linear-gradient(135deg,#ff007f66,#00f0ff4d);border-color:#ff007f;box-shadow:0 0 8px #ff007f80;color:#fff}[data-mode=arcade] .time-header-cell,[data-mode=arcade] .day-header-cell{font-family:JetBrains Mono,monospace;font-weight:700;font-size:.8rem;color:#ffe600;border-color:#ffe60040;text-shadow:0 0 4px rgba(255,230,0,.4)}[data-mode=arcade] .time-slot-cell{border-color:#00f0ff1f}[data-mode=arcade] .time-slot-cell:hover{background:#00f0ff14}[data-mode=arcade] .time-block-card{border:1px solid #ffffff;box-shadow:3px 3px #000,0 0 8px #fff6;border-radius:4px}[data-mode=arcade] .time-block-card .block-title{font-family:Plus Jakarta Sans,sans-serif;font-weight:700;font-size:.8rem;text-shadow:0 1px 2px #000}[data-mode=arcade] .time-block-card .block-sec{font-family:JetBrains Mono,monospace;font-size:.75rem}[data-mode=arcade] .badge-pill{font-family:JetBrains Mono,monospace;font-weight:700;font-size:.75rem;background:#ff007f;color:#fff;border:1px solid #ff59ab}[data-mode=arcade] .conflict-banner{border:2px solid #ff2a6d;box-shadow:0 0 15px #ff2a6d80,4px 4px #000;background:#280a19f2;font-family:Plus Jakarta Sans,sans-serif;font-size:.95rem}.custom-modal-wrapper{position:relative;z-index:10000}.custom-alert-overlay{z-index:10000;animation:fadeIn .15s ease-out}.custom-alert-card{width:440px;max-width:100%;animation:modalPopIn .2s cubic-bezier(.175,.885,.32,1.275)}.custom-alert-body{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain}.custom-alert-message{overflow-wrap:anywhere}.custom-alert-footer{flex-shrink:0}.custom-alert-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border-color);background:var(--bg-card)}.custom-alert-title-wrapper{display:flex;align-items:center;gap:10px}.custom-alert-icon{font-size:1.2rem;display:inline-flex;align-items:center;justify-content:center}.custom-alert-title{font-size:1rem;font-weight:700;color:var(--text-primary);margin:0}.custom-alert-body{padding:20px 18px}.custom-alert-message{font-size:.925rem;line-height:1.5;color:var(--text-secondary);margin:0;white-space:pre-wrap}.custom-alert-footer{padding:12px 18px;border-top:1px solid var(--border-color);background:var(--bg-card);display:flex;justify-content:flex-end;gap:10px}@keyframes modalPopIn{0%{opacity:0;transform:scale(.9) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}.fade-out{opacity:0;transition:opacity .15s ease}[data-mode=arcade] .custom-alert-card{border:2px solid #ff007f;box-shadow:6px 6px #000,0 0 20px #ff007f40;background:#110d24}[data-mode=arcade] .custom-alert-title{font-family:"Press Start 2P",monospace;font-size:.8rem;color:#ff007f;text-shadow:1px 1px 0px #000}[data-mode=arcade] .custom-alert-message{font-family:VT323,monospace;font-size:1.2rem;color:#00f0ff;letter-spacing:.5px}.required-asterisk{color:#ef4444;margin-left:2px;font-weight:700}.optional-tag{font-weight:400;font-size:.725rem;color:var(--text-muted);opacity:.85;margin-left:4px}.flex-header{display:flex;justify-content:space-between;align-items:center;margin-top:18px;margin-bottom:12px}.form-section-divider-text{font-size:.85rem;font-weight:700;color:var(--accent-primary);letter-spacing:.5px;text-transform:uppercase}.sections-builder-container{display:flex;flex-direction:column;gap:14px;max-height:380px;overflow-y:auto;padding-right:4px;margin-bottom:16px}.section-builder-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px 16px;display:flex;flex-direction:column;gap:12px;position:relative}.section-card-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color-muted, rgba(255, 255, 255, .06));padding-bottom:8px;margin-bottom:2px}.section-card-number{font-size:.8rem;font-weight:800;color:var(--accent-primary);text-transform:uppercase;letter-spacing:.5px}.schedule-slots-header{display:flex;justify-content:space-between;align-items:center;margin-top:4px}.slots-label{font-size:.75rem;font-weight:700;color:var(--text-secondary)}.time-slots-container{display:flex;flex-direction:column;gap:8px}.time-slot-row{display:flex;align-items:center;gap:8px;background:var(--bg-input);border:1px solid var(--border-color);padding:6px 10px;border-radius:var(--radius-sm);flex-wrap:wrap}.time-slot-row select,.time-slot-row input[type=time]{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);padding:5px 8px;border-radius:var(--radius-sm);font-size:.8rem;outline:none;font-family:inherit}.time-slot-row select{cursor:pointer;min-width:100px}.time-input-group{display:flex;align-items:center;gap:6px}.time-label{font-size:.725rem;color:var(--text-secondary);font-weight:600}.btn-xs{padding:3px 8px;font-size:.725rem;border-radius:var(--radius-sm)}[data-mode=arcade] .section-builder-card{border:1px solid rgba(0,240,255,.3);box-shadow:3px 3px #000;background:#16122e}[data-mode=arcade] .section-card-number{font-family:"Press Start 2P",monospace;font-size:.7rem;color:#ff007f}[data-mode=arcade] .time-slot-row{border:1px solid rgba(255,230,0,.4)}.welcome-modal-card{width:640px;max-width:100%;max-height:88vh;max-height:min(88dvh,900px);display:flex;flex-direction:column;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--bg-panel)}.welcome-modal-header{padding:16px 22px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;background:var(--bg-card)}.welcome-header-title{display:flex;align-items:center;gap:12px}.welcome-emoji{font-size:1.8rem;line-height:1}.welcome-subtitle{font-size:.775rem;color:var(--text-secondary);font-weight:500}.welcome-modal-body{padding:22px;display:flex;flex-direction:column;gap:20px;flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain}.welcome-hero-banner{background:linear-gradient(135deg,#6366f11f,#8b5cf614);border:1px solid var(--border-color-strong);border-radius:var(--radius-lg);padding:16px 18px;display:flex;flex-direction:column;gap:12px}.welcome-intro-text{font-size:.95rem;line-height:1.55;color:var(--text-primary);font-weight:500}.welcome-tag-badge{font-size:.85rem;color:var(--accent-success);background:var(--accent-success-bg);padding:10px 14px;border-radius:var(--radius-md);border:1px solid rgba(16,185,129,.3);line-height:1.45}.welcome-tag-badge.device-badge{color:var(--accent-info);background:#06b6d41f;border-color:#06b6d459}[data-mode=arcade] .welcome-tag-badge.device-badge{background:#00f0ff26;border-color:#00f0ff;color:#00f0ff}.welcome-section{display:flex;flex-direction:column;gap:10px}.welcome-section-title{font-size:1rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px}.welcome-section-desc{font-size:.85rem;color:var(--text-secondary)}.vibe-cards-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:4px}@media(max-width:540px){.vibe-cards-grid{grid-template-columns:1fr}}.vibe-card{background:var(--bg-card);border:2px solid var(--border-color);border-radius:var(--radius-lg);padding:16px;display:flex;flex-direction:column;gap:10px;cursor:pointer;transition:all .2s ease;position:relative}.vibe-card:hover{border-color:var(--accent-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.vibe-card.active-vibe{border-color:var(--accent-primary);background:linear-gradient(135deg,#6366f126,#8b5cf61a);box-shadow:0 0 16px var(--accent-primary-glow)}.vibe-header{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.vibe-icon{font-size:1.3rem}.vibe-name{font-weight:700;font-size:.925rem;color:var(--text-primary)}.vibe-badge{font-size:.65rem;font-weight:800;background:var(--accent-primary);color:#fff;padding:2px 6px;border-radius:99px;letter-spacing:.5px}.vibe-desc{font-size:.825rem;color:var(--text-secondary);line-height:1.4;flex:1}.vibe-action-btn{margin-top:4px;width:100%}.welcome-steps-list{padding-left:20px;display:flex;flex-direction:column;gap:10px;font-size:.875rem;color:var(--text-secondary);line-height:1.5}.welcome-steps-list strong{color:var(--text-primary)}.welcome-conclusion{font-size:.9rem;font-weight:700;color:var(--accent-primary);background:var(--bg-card);padding:10px 14px;border-radius:var(--radius-md);border:1px solid var(--border-color);text-align:center;margin-top:4px}.welcome-github-card{background:var(--bg-input);border:1px solid var(--border-color-strong);border-radius:var(--radius-lg);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.github-card-content{display:flex;align-items:center;gap:12px;color:var(--text-primary)}.github-title{font-weight:700;font-size:.875rem}.github-subtitle{font-size:.775rem;color:var(--text-secondary)}.github-link-btn{font-family:var(--font-mono);font-size:.775rem;text-decoration:none}.welcome-modal-footer{padding:14px 22px;border-top:1px solid var(--border-color);background:var(--bg-card);display:flex;justify-content:flex-end}.btn-lg{padding:10px 24px;font-size:1rem;border-radius:var(--radius-md)}.full-width{width:100%}[data-mode=arcade] .welcome-modal-card{border:2px solid #00f0ff;box-shadow:6px 6px #000,0 0 20px #00f0ff4d;background:#0d0822}[data-mode=arcade] .welcome-hero-banner{background:#ff007f1a;border-color:#ff007f}[data-mode=arcade] .welcome-tag-badge{background:#00ff6626;border-color:#0f6;color:#0f6}[data-mode=arcade] .welcome-section-title{font-family:"Press Start 2P",monospace;font-size:.8rem;color:#ffe600;text-shadow:1px 1px 0 #000}[data-mode=arcade] .vibe-card{border:2px solid rgba(0,240,255,.4);box-shadow:3px 3px #000;background:#170f36}[data-mode=arcade] .vibe-card.active-vibe{border-color:#ff007f;background:#ff007f33;box-shadow:4px 4px #000,0 0 16px #ff007f80}[data-mode=arcade] .vibe-name{font-family:Plus Jakarta Sans,sans-serif;font-weight:800;color:#fff}[data-mode=arcade] .welcome-conclusion{color:#00f0ff;border-color:#00f0ff;box-shadow:3px 3px #000}[data-mode=arcade] .welcome-github-card{border:1px solid #ff007f;box-shadow:3px 3px #000;background:#120c2e}.mobile-day-switcher{display:none;gap:6px;overflow-x:auto;padding:4px 2px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.mobile-day-switcher::-webkit-scrollbar{display:none}.mobile-day-tab{padding:6px 14px;border-radius:var(--radius-md);background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-secondary);font-size:.8rem;font-weight:600;white-space:nowrap;cursor:pointer;transition:all .2s ease}.mobile-day-tab:hover{color:var(--text-primary);background:var(--bg-card-hover)}.mobile-day-tab.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary);box-shadow:0 2px 8px var(--accent-primary-glow)}[data-mode=arcade] .mobile-day-tab{border:1.5px solid var(--border-color);box-shadow:2px 2px #000;font-family:var(--font-mono)}[data-mode=arcade] .mobile-day-tab.active{background:#ff007f;border-color:#ff007f;box-shadow:3px 3px #000,0 0 10px #ff007f66}.bottom-sheet-card{max-width:500px;width:100%;border-radius:var(--radius-xl);position:relative}.bottom-sheet-drag-handle{width:40px;height:4px;background:var(--border-color-strong);border-radius:99px;margin:8px auto 0}.sheet-body{padding:16px 20px;display:flex;flex-direction:column;gap:16px}.sheet-info-grid{display:flex;flex-direction:column;gap:10px;background:var(--bg-input);border:1px solid var(--border-color);padding:14px 16px;border-radius:var(--radius-lg)}.sheet-info-row{display:flex;justify-content:space-between;align-items:center;font-size:.875rem}.sheet-label{color:var(--text-secondary);font-weight:500}.sheet-value{color:var(--text-primary);font-weight:700;font-family:var(--font-mono)}.warning-text{color:var(--accent-warning)}.sheet-actions{margin-top:6px}.mobile-bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:64px;padding-bottom:env(safe-area-inset-bottom,0px);background:var(--bg-panel);border-top:1px solid var(--border-color);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:1000;align-items:center;justify-content:space-around;box-shadow:0 -4px 20px #00000040}.mobile-nav-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:100%;background:transparent;border:none;color:var(--text-muted);font-size:.725rem;font-weight:600;cursor:pointer;transition:all .2s ease;position:relative}.mobile-nav-btn svg{transition:transform .2s ease,stroke .2s ease}.mobile-nav-btn.active{color:var(--accent-primary)}.mobile-nav-btn.active svg{stroke:var(--accent-primary);transform:translateY(-2px)}.mobile-nav-btn:active{transform:scale(.94)}.nav-badge{position:absolute;top:6px;right:25%;background:var(--accent-primary);color:#fff;font-size:.65rem;font-weight:700;padding:1px 6px;border-radius:99px}[data-mode=arcade] .mobile-bottom-nav{background:#0d0822;border-top:2px solid #00f0ff;box-shadow:0 -4px #000,0 0 16px #00f0ff40}[data-mode=arcade] .mobile-nav-btn{font-family:var(--font-mono)}[data-mode=arcade] .mobile-nav-btn.active{color:#ff007f}[data-mode=arcade] .mobile-nav-btn.active svg{stroke:#ff007f}@media(max-width:900px){.app-container{height:100vh;padding:10px 10px calc(64px + env(safe-area-inset-bottom,10px)) 10px;gap:10px;overflow:hidden}.mobile-bottom-nav{display:flex}.brand-text{display:none!important}.brand{gap:0}.brand-logo{width:32px;height:32px}.app-header{display:flex;flex-direction:column;align-items:stretch;padding:8px 10px;gap:8px;height:auto}.header-top-bar{display:flex;align-items:center;justify-content:space-between;width:100%}.header-quick-controls{display:flex;align-items:center;gap:4px}.header-quick-controls .btn{padding:4px 8px;font-size:.85rem;height:32px;min-width:32px}.header-actions{display:flex;align-items:center;justify-content:space-between;gap:6px;width:100%;overflow:visible}.header-actions .btn-mobile-action{flex:1;display:flex;align-items:center;justify-content:center;gap:4px;padding:6px 4px;font-size:.75rem;height:34px;white-space:nowrap}.app-main-grid{display:flex;flex-direction:column;position:relative;overflow:hidden;flex:1}.app-main-grid>aside,.app-main-grid>section{display:none;width:100%;height:100%;flex:1;overflow-y:auto}.app-main-grid[data-active-panel=courses] .sidebar-panel,.app-main-grid[data-active-panel=schedule] .timetable-panel,.app-main-grid[data-active-panel=analytics] .analytics-panel{display:flex;flex-direction:column}.mobile-day-switcher{display:grid;grid-template-columns:repeat(8,1fr);gap:2px;width:100%;overflow:visible}.mobile-day-tab{padding:6px 1px;font-size:.7rem;text-align:center;border-radius:var(--radius-sm)}.timetable-header-bar{flex-direction:column;align-items:flex-start;gap:8px;padding:10px 12px}.timetable-legend{display:none}.timetable-container{flex:1;overflow:auto;-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y}.timetable-grid{min-width:780px}.timetable-grid.single-day-grid{min-width:100%!important;width:100%!important}.time-header-cell{position:sticky;left:0;top:0;z-index:35;background:var(--bg-panel);box-shadow:2px 2px 8px #0003}.day-header-cell{position:sticky;top:0;z-index:25;background:var(--bg-panel)}.time-slot-label{position:sticky;left:0;z-index:20;background:var(--bg-panel);border-right:1px solid var(--border-color-strong);box-shadow:4px 0 10px #0003}.modal-overlay,.drawer-overlay{z-index:3000!important;align-items:flex-end;padding:0}.modal-card,.drawer-content,.bottom-sheet-card{max-height:82vh;max-height:82dvh;width:100%;max-width:100%;border-radius:20px 20px 0 0;margin-top:auto;margin-bottom:0;z-index:3001;box-shadow:0 -10px 40px #0009;display:flex;flex-direction:column;overflow:hidden;padding-bottom:max(16px,env(safe-area-inset-bottom,16px));animation:slideUp .3s cubic-bezier(.16,1,.3,1)}.modal-body,.welcome-modal-body,.combinations-list{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:16px}.modal-footer,.welcome-modal-footer,.sheet-actions{padding:12px 16px;background:var(--bg-card);border-top:1px solid var(--border-color);margin-top:0;flex-shrink:0}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}}@media(max-width:640px){.header-actions .btn{padding:8px 10px;font-size:.8rem}#btn-export-ical span,#btn-mode-toggle .mode-icon-label{font-size:.75rem}#btn-auto-combinations{padding:6px 10px;font-size:.8rem}.form-grid,.vibe-cards-grid,.stat-cards-grid{grid-template-columns:1fr}.calendar-event{padding:4px 6px;font-size:.725rem}.calendar-event .event-code{font-size:.775rem;font-weight:800}.calendar-event .event-location{font-size:.675rem}}@media(max-width:400px){.header-actions{gap:4px}.btn-primary{padding:6px 8px}.brand-title{font-size:.95rem}.arcade-badge-tag{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.people-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--bg-panel);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:8px 12px;box-shadow:var(--shadow-sm);flex-shrink:0}.people-tabs{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0;padding:2px}.people-tabs::-webkit-scrollbar{display:none}.person-tab{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:99px;border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-secondary);font:inherit;font-size:.8rem;font-weight:700;cursor:pointer;white-space:nowrap;transition:all .2s ease}.person-tab:hover{border-color:var(--border-color-strong);color:var(--text-primary)}.person-tab.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary);box-shadow:0 2px 8px var(--accent-primary-glow)}.person-dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex-shrink:0;border:2px solid rgba(255,255,255,.6)}.person-edit{opacity:.8;font-size:.75rem}.people-bar-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.friend-overlay-toggle{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;color:var(--text-secondary);cursor:pointer;white-space:nowrap}.friend-overlay-toggle input{accent-color:var(--accent-primary)}.friend-overlay-toggle .short{display:none}[data-mode=arcade] .person-tab.active{background:#ff007f;border-color:#ff007f;box-shadow:3px 3px #000,0 0 10px #ff007f66}.person-modal-card{width:480px}.person-copy{margin-top:12px}.person-modal-footer{align-items:center}.person-modal-footer .spacer{flex:1}.section-tools{display:flex;align-items:center;gap:4px;min-width:0}.section-tools .section-instructor{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:120px}.section-tool{background:transparent;border:1px solid transparent;color:var(--text-muted);border-radius:4px;padding:2px 4px;cursor:pointer;display:inline-flex;align-items:center;opacity:.45;transition:all .15s ease;flex-shrink:0}.section-item:hover .section-tool,.section-tool.active{opacity:1}@media(hover:none){.section-tool{opacity:1}}.section-tool:hover{color:var(--text-primary);background:var(--border-color)}.section-tool.btn-lock-section.active{color:var(--accent-primary);border-color:var(--accent-primary);background:#6366f11f}.section-tool.btn-exclude-section.active{color:var(--accent-danger);border-color:var(--accent-danger);background:var(--accent-danger-bg)}.section-item.locked{border-color:var(--accent-primary);box-shadow:inset 3px 0 0 var(--accent-primary)}.section-item.excluded{opacity:.5;cursor:not-allowed}.section-item.excluded .section-radio span{text-decoration:line-through}.section-item.excluded:hover{transform:none;border-color:transparent}.excluded-tag{font-size:.7rem;color:var(--accent-danger);font-weight:600;margin-top:4px}.course-header-tools{display:flex;align-items:center;gap:4px}.course-locked-tag{color:var(--accent-primary);display:inline-flex}.busy-group{margin-top:6px;display:flex;flex-direction:column;gap:8px}.busy-group-title{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:.72rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;padding:4px 2px}.busy-group-hint{font-weight:500;text-transform:none;letter-spacing:0;color:var(--text-muted)}.busy-card{background:var(--bg-card);border:1px dashed var(--border-color-strong);border-radius:var(--radius-md);padding:10px 12px}.busy-card .course-header{margin-bottom:6px}.course-badge.busy-badge{background-color:transparent;color:var(--text-primary);border:1px solid;background-size:auto}.calendar-event.busy-block{background-color:#64748b2e;color:var(--text-primary);border:1.5px solid;box-shadow:none}.calendar-event.busy-block .event-code,.calendar-event.busy-block .event-sec,.calendar-event.busy-block .event-time{background:var(--bg-panel);border-radius:3px;padding:0 4px;display:inline-block}.calendar-event.busy-block.busy-conflict{border-color:var(--accent-danger)!important;border-width:2px}.friend-block{position:absolute;left:4px;right:4px;border:2px dashed;border-radius:var(--radius-sm);padding:4px 6px;font-size:.7rem;background:var(--bg-card);z-index:1;pointer-events:none;overflow:hidden;opacity:.92}.friend-block-name{font-weight:800;font-size:.7rem;line-height:1.1}.friend-block-code{font-weight:600;color:var(--text-primary);opacity:.85}.together-band{position:absolute;left:10px;right:10px;border-radius:var(--radius-sm);background:#10b98124;border:1px solid rgba(16,185,129,.55);z-index:1;pointer-events:none;display:flex;align-items:flex-end;justify-content:center;padding-bottom:4px;overflow:hidden}.together-band-label{background:var(--bg-panel);color:var(--accent-success);border:1px solid rgba(16,185,129,.55);border-radius:4px;padding:2px 6px;font-size:.66rem;font-weight:700;display:inline-flex;align-items:center;gap:4px;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}.event-friends{font-size:.65rem;font-weight:700;display:inline-flex;align-items:center;gap:3px;background:#00000040;border-radius:4px;padding:1px 5px;margin-top:3px}.drawer-overlay{transition:background .2s ease}.drawer-overlay.previewing{background:#0000001f;-webkit-backdrop-filter:none;backdrop-filter:none}.calendar-event.combo-preview{border:2px dashed #ffffff!important;opacity:.75}.calendar-event.will-drop{opacity:.3;filter:grayscale(.6)}.combo-card.focused{border-color:var(--accent-primary);box-shadow:0 0 0 2px var(--accent-primary-glow)}.drawer-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.drawer-toolbar .combo-summary{margin-left:auto;flex:1 1 160px}#btn-toggle-prefs.has-limits:after{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent-warning);display:inline-block}#btn-toggle-prefs.active{border-color:var(--accent-primary);color:var(--accent-primary)}.prefs-panel{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px;display:flex;flex-direction:column;gap:12px;max-height:45vh;overflow-y:auto;overscroll-behavior:contain}.prefs-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.prefs-field{display:flex;flex-direction:column;gap:4px;font-size:.72rem;font-weight:700;color:var(--text-secondary);min-width:0}.prefs-field.full{grid-column:span 2}.prefs-field input[type=time],.prefs-field input[type=number],.prefs-field select{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);padding:6px 8px;border-radius:var(--radius-sm);font:inherit;font-size:.8rem;min-width:0;max-width:100%;outline:none}.prefs-inline{display:flex;align-items:center;gap:6px}.prefs-inline input{flex:1 1 110px}.prefs-inline select{flex:1 1 140px}.prefs-inline>span{font-weight:500;color:var(--text-muted)}.pref-days{display:flex;flex-wrap:wrap;gap:6px}.pref-days .day-chip input{accent-color:var(--accent-primary)}.prefs-weights{display:flex;flex-direction:column;gap:6px}.prefs-weights-title{font-size:.72rem;font-weight:700;color:var(--text-secondary)}.pref-weight-row{display:grid;grid-template-columns:1fr 120px 28px;align-items:center;gap:8px;font-size:.78rem}.pref-weight-row input[type=range]{width:100%;accent-color:var(--accent-primary)}.pref-weight-row output{font-family:var(--font-mono);font-size:.75rem;color:var(--text-secondary);text-align:right}.prefs-footer{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}.prefs-check{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;color:var(--text-secondary);cursor:pointer}.prefs-check input{accent-color:var(--accent-primary)}.combo-notes{display:flex;flex-direction:column;gap:4px}.combo-note{font-size:.74rem;color:var(--text-secondary);display:flex;align-items:center;gap:6px;flex-wrap:wrap}.combo-note.warning{color:var(--accent-warning)}.link-button{background:none;border:none;color:var(--accent-primary);font:inherit;font-size:.74rem;font-weight:700;cursor:pointer;padding:0;text-decoration:underline}.surprise-ticker{font-family:var(--font-mono);font-size:.78rem;color:var(--accent-warning);background:var(--accent-warning-bg);border:1px dashed var(--accent-warning);border-radius:var(--radius-sm);padding:6px 10px;text-align:center}[data-mode=arcade] .surprise-ticker{font-family:"Press Start 2P",monospace;font-size:.6rem;line-height:1.6}.combo-metrics{flex-wrap:wrap;row-gap:4px}.score-pill{font-family:var(--font-mono);font-size:.72rem;font-weight:700;color:var(--text-primary);background:var(--bg-input);border:1px solid var(--border-color);border-radius:99px;padding:2px 8px;display:inline-flex;align-items:baseline;gap:4px;flex-shrink:0}.score-pill small{color:var(--accent-primary);font-weight:800}.combo-swap{font-size:.74rem;color:var(--text-secondary);display:flex;align-items:center;gap:6px;flex-wrap:wrap}.combo-swap b{color:var(--text-primary)}.combo-violation{font-size:.72rem;color:var(--accent-danger);display:flex;align-items:center;gap:6px}.together-metric{color:var(--accent-success)}.score-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px 14px;display:flex;flex-direction:column;gap:8px}.score-card-header{display:flex;align-items:center;justify-content:space-between}.score-rank{font-family:var(--font-mono);font-weight:800;font-size:1rem;width:30px;height:30px;border-radius:var(--radius-sm);display:inline-flex;align-items:center;justify-content:center;background:var(--accent-primary);color:#fff}.score-rank[data-rank=S]{background:var(--accent-success);color:#052e16}.score-rank[data-rank=A]{background:var(--accent-primary)}.score-rank[data-rank=B]{background:var(--accent-info);color:#082f49}.score-rank[data-rank=C]{background:var(--accent-warning);color:#111}.score-rank[data-rank=D]{background:var(--accent-danger)}[data-mode=arcade] .score-rank{font-family:"Press Start 2P",monospace;font-size:.75rem;box-shadow:2px 2px #000}.score-bar{height:8px;border-radius:99px;background:var(--bg-input);overflow:hidden;border:1px solid var(--border-color)}.score-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent-primary),var(--accent-success));border-radius:99px;transition:width .3s ease}.score-card-footer{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:.72rem;color:var(--text-muted);flex-wrap:wrap}.score-card-footer #score-value{font-weight:800;color:var(--text-primary);font-family:var(--font-mono)}.together-section{display:flex;flex-direction:column;gap:8px}.together-section .section-title{margin-bottom:0}.together-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:10px 12px;display:flex;flex-direction:column;gap:6px}.together-header{display:flex;align-items:center;gap:8px;font-size:.82rem;font-weight:700}.together-total{margin-left:auto;color:var(--accent-success);font-family:var(--font-mono);font-size:.72rem;white-space:nowrap}.together-metrics{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:.72rem;color:var(--text-secondary)}.together-row{font-size:.72rem;color:var(--text-primary)}.together-row.muted,.muted{color:var(--text-muted)}.heatmap-section{display:flex;flex-direction:column;gap:8px}.heatmap-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:8px 12px;color:var(--text-secondary);font:inherit;font-size:.85rem;font-weight:700;cursor:pointer}.heatmap-toggle:hover{color:var(--text-primary);border-color:var(--border-color-strong)}.heatmap-toggle .caret{display:inline-block;transition:transform .2s ease}.heatmap-toggle.open .caret{transform:rotate(90deg)}.heatmap-body{display:flex;flex-direction:column;gap:8px}.heatmap-grid{display:grid;grid-template-columns:38px repeat(7,1fr);grid-template-rows:16px;grid-auto-rows:9px;gap:1px}.heatmap-day{font-size:.65rem;font-weight:700;color:var(--text-secondary);text-align:center;line-height:16px}.heatmap-label{font-family:var(--font-mono);font-size:.6rem;color:var(--text-muted);line-height:19px;padding-right:4px;text-align:right}.heatmap-cell{position:relative;background:var(--bg-input);border-radius:2px;overflow:hidden}.heatmap-cell:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--accent-success);opacity:var(--free, 0)}.heatmap-cell:hover,.heatmap-cell:focus-visible{outline:1px solid var(--text-primary);outline-offset:-1px;z-index:1}.heatmap-legend{display:flex;align-items:center;gap:8px;font-size:.68rem;color:var(--text-muted)}.heatmap-ramp{flex:1;height:8px;border-radius:99px;background:linear-gradient(90deg,var(--bg-input),var(--accent-success));border:1px solid var(--border-color)}.heatmap-note{font-size:.7rem}.plans-modal-card{width:760px}.plans-save-row{display:flex;gap:8px;margin-bottom:14px}.plans-save-row input{flex:1;background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);padding:8px 12px;border-radius:var(--radius-sm);font:inherit;min-width:0;outline:none}.plans-list{display:flex;flex-direction:column;gap:8px}.plan-card{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:10px 12px;flex-wrap:wrap}.plan-card.is-current{border-color:var(--accent-primary)}.plan-card-main{min-width:0;flex:1 1 200px}.plan-name{font-weight:700;font-size:.9rem;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.plan-current-tag{font-size:.62rem;font-weight:700;color:var(--accent-primary);background:#6366f11f;border-radius:99px;padding:1px 8px;text-transform:uppercase}.plan-meta{font-size:.72rem;color:var(--text-secondary);margin-top:2px}.plan-actions{display:flex;gap:6px}.plans-empty{text-align:center;padding:20px;color:var(--text-secondary);font-size:.85rem}.compare-section{margin-top:18px;border-top:1px solid var(--border-color);padding-top:14px}.compare-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px;font-size:.78rem;color:var(--text-secondary)}.compare-controls select{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-primary);padding:6px 8px;border-radius:var(--radius-sm);font:inherit;font-size:.8rem;max-width:100%}.compare-hint{font-size:.8rem}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.compare-col{min-width:0}.compare-title{font-size:.8rem;font-weight:700;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.compare-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.78rem}.compare-table th,.compare-table td{padding:6px 8px;border-bottom:1px solid var(--border-color);text-align:left}.compare-table thead th{color:var(--text-secondary);font-size:.72rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:160px}.compare-table tbody th{font-weight:600;color:var(--text-secondary)}.compare-table td{font-family:var(--font-mono)}.compare-table td.better{color:var(--accent-success);font-weight:700}.rank-chip{font-size:.65rem;font-weight:800;color:var(--accent-primary)}.mini-timetable{border:1px solid var(--border-color);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-main);font-size:.6rem}.mini-tt-header{display:grid;grid-template-columns:22px repeat(var(--mini-day-count, 7),1fr);border-bottom:1px solid var(--border-color)}.mini-tt-day{text-align:center;font-weight:700;color:var(--text-secondary);padding:3px 0}.mini-tt-body{display:grid;grid-template-columns:22px repeat(var(--mini-day-count, 7),1fr);position:relative}.mini-tt-labels{display:flex;flex-direction:column}.mini-tt-label{font-family:var(--font-mono);color:var(--text-muted);font-size:.55rem;text-align:right;padding-right:2px}.mini-tt-col{position:relative;border-left:1px solid var(--border-color)}.mini-tt-line{position:absolute;left:0;right:0;height:1px;background:var(--border-color)}.mini-tt-block{position:absolute;left:1px;right:1px;border-radius:2px;color:#fff;font-weight:700;padding:1px 2px;overflow:hidden;white-space:nowrap}.mini-tt-block.busy{opacity:.55}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-group input[type=date],.form-group input[type=number]{background:var(--bg-input);border:1px solid var(--border-color);padding:8px 12px;border-radius:var(--radius-sm);color:var(--text-primary);outline:none;font-family:inherit}.holidays-list{display:flex;flex-direction:column;gap:8px}.holiday-row{display:grid;grid-template-columns:1fr auto 1fr 1.4fr auto;align-items:center;gap:6px;background:var(--bg-input);border:1px solid var(--border-color);padding:6px 8px;border-radius:var(--radius-sm)}.holiday-row input{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);padding:5px 6px;border-radius:var(--radius-sm);font:inherit;font-size:.78rem;min-width:0;outline:none}.holiday-to{font-size:.72rem;color:var(--text-muted)}.settings-hint{font-size:.78rem}.poster-modal-card{width:720px}.poster-canvas-wrapper{display:flex;justify-content:center;background:var(--bg-main);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:10px}.poster-canvas{max-width:100%;height:auto;max-height:60vh;border-radius:var(--radius-sm);box-shadow:var(--shadow-md)}@media(max-width:900px){.people-bar{padding:6px 8px;gap:8px}.friend-overlay-toggle .long{display:none}.friend-overlay-toggle .short{display:inline}.people-bar-actions .btn{padding:5px 10px;font-size:.75rem}}@media(max-width:640px){.header-actions .btn-text-optional{display:none}.settings-grid,.prefs-grid,.compare-grid{grid-template-columns:1fr}.prefs-field.full{grid-column:auto}.holiday-row{grid-template-columns:1fr 1fr}.holiday-to{display:none}.pref-weight-row{grid-template-columns:1fr 90px 28px}.heatmap-grid{grid-template-columns:32px repeat(7,1fr)}}.drawer-content:focus{outline:none}@media(max-width:640px){.people-bar{flex-wrap:wrap}.people-bar-actions{width:100%;justify-content:space-between}}