@import"https://fonts.googleapis.com/css2?family=Quicksand:wght@400;500;600;700&display=swap";.dashboard-layout{display:flex;min-height:100vh;background-color:var(--canvas-bg, #EEF0F6);color:var(--text-primary, #1E2547);font-family:var(--font-family, "Inter", sans-serif)}.dashboard-sidebar{width:240px;background:var(--sidebar-bg, #3B4CA3);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:50;padding:24px 0 24px 16px;flex-shrink:0;transition:transform .3s cubic-bezier(.16,1,.3,1)}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:0 16px 28px 8px;color:#fff}.sidebar-brand-icon{width:36px;height:36px;border-radius:10px;background:#fff3;display:flex;align-items:center;justify-content:center;font-size:18px}.sidebar-brand-title{font-size:19px;font-weight:800;letter-spacing:-.3px;color:#fff}.sidebar-brand-badge{font-size:10px;font-weight:700;background:#5b73e0;color:#fff;padding:2px 6px;border-radius:999px;margin-left:-4px}.sidebar-nav{display:flex;flex-direction:column;gap:6px;flex:1;padding-right:0}.sidebar-item{display:flex;align-items:center;gap:14px;padding:12px 18px;border-radius:999px 0 0 999px;color:#ffffffc7;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s ease;position:relative;cursor:pointer}.sidebar-item:hover:not(.active){color:#fff;background:#ffffff14}.sidebar-item-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-item.active{background:var(--canvas-bg, #EEF0F6);color:#3f4fa8;font-weight:700;border-radius:28px 0 0 28px;box-shadow:-4px 0 16px #0000000a}.sidebar-item.active:before{content:"";position:absolute;top:-20px;right:0;width:20px;height:20px;background:transparent;border-bottom-right-radius:20px;box-shadow:6px 6px 0 6px var(--canvas-bg, #EEF0F6);pointer-events:none}.sidebar-item.active:after{content:"";position:absolute;bottom:-20px;right:0;width:20px;height:20px;background:transparent;border-top-right-radius:20px;box-shadow:6px -6px 0 6px var(--canvas-bg, #EEF0F6);pointer-events:none}.sidebar-footer{padding:16px 16px 0 8px;border-top:1px solid rgba(255,255,255,.12)}.sidebar-logout{display:flex;align-items:center;gap:12px;color:#ffffffbf;font-size:14px;font-weight:600;padding:10px 14px;border-radius:var(--radius-pill, 999px);width:100%;transition:all .2s ease}.sidebar-logout:hover{background:#ef44442e;color:#fca5a5}.dashboard-main{flex:1;display:flex;flex-direction:column;min-width:0;overflow-y:auto}.dashboard-topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 32px;background:transparent}.topbar-search{position:relative;width:100%;max-width:380px}.topbar-search input{width:100%;background:#fff;border:1px solid rgba(226,232,240,.9);padding:11px 18px 11px 42px;border-radius:var(--radius-pill, 999px);font-size:13px;color:var(--text-primary, #1E2547);box-shadow:var(--shadow-sm);transition:all .2s ease}.topbar-search input:focus{background:#fff;border-color:var(--primary-accent, #5B73E0);box-shadow:0 0 0 3px #5b73e026}.topbar-search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:#8c97b0;pointer-events:none}.topbar-actions{display:flex;align-items:center;gap:16px}.topbar-action-pill{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid #E2E6F0;padding:7px 14px;border-radius:var(--radius-pill, 999px);font-size:12px;font-weight:600;color:var(--text-secondary, #586380);box-shadow:var(--shadow-sm);cursor:pointer;transition:all .2s ease}.topbar-action-pill:hover{border-color:var(--primary-accent, #5B73E0);color:var(--primary-accent, #5B73E0)}.topbar-icon-btn{width:40px;height:40px;background:#fff;border:1px solid #E2E6F0;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#586380;box-shadow:var(--shadow-sm);position:relative;transition:all .2s ease}.topbar-icon-btn:hover{color:var(--primary-accent, #5B73E0);border-color:#d8e0fb;transform:translateY(-1px)}.notification-dot{position:absolute;top:10px;right:10px;width:7px;height:7px;background:#ef4444;border-radius:50%;border:1.5px solid #FFFFFF}.topbar-user{display:flex;align-items:center;gap:10px;padding:4px 12px 4px 4px;background:#fff;border:1px solid #E2E6F0;border-radius:var(--radius-pill, 999px);box-shadow:var(--shadow-sm);cursor:pointer;transition:all .2s ease}.topbar-user:hover{border-color:var(--primary-accent, #5B73E0)}.topbar-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary-gradient, linear-gradient(135deg, #5B73E0 0%, #3F4FA8 100%));color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}.topbar-user-name{font-size:13px;font-weight:600;color:#1e2547}.mobile-menu-btn{display:none;background:#fff;border:1px solid #E2E6F0;border-radius:12px;padding:8px;color:#1e2547}.dashboard-content{padding:0 32px 36px}.mobile-sidebar-overlay{display:none}@media(max-width:1024px){.dashboard-sidebar{position:fixed;left:-260px;box-shadow:var(--shadow-sidebar)}.dashboard-sidebar.open{transform:translate(260px)}.mobile-menu-btn{display:flex}.mobile-sidebar-overlay.active{display:block;position:fixed;inset:0;background:#1b224580;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:40}.dashboard-content{padding:0 20px 24px}.dashboard-topbar{padding:16px 20px}}.dashboard-home{display:flex;flex-direction:column;gap:24px;width:100%}.dashboard-grid-container{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}.dashboard-left-col{display:flex;flex-direction:column;gap:24px;min-width:0}.dashboard-right-col{display:flex;flex-direction:column;gap:24px}.greeting-card{background:#fff;border-radius:var(--radius-card, 24px);padding:28px 32px;box-shadow:var(--shadow-card);border:1px solid var(--card-border, #E6EAF2);display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden}.greeting-text h2{font-size:24px;font-weight:800;color:var(--text-primary, #1E2547);margin-bottom:8px;letter-spacing:-.3px}.greeting-text p{font-size:14px;color:var(--text-secondary, #586380);max-width:420px;line-height:1.5;margin-bottom:14px}.greeting-link{font-size:13px;font-weight:700;color:var(--primary-accent, #5B73E0);text-decoration:underline;cursor:pointer;display:inline-flex;align-items:center;gap:4px}.greeting-illustration{flex-shrink:0;width:160px;height:120px;display:flex;align-items:center;justify-content:center}.analytics-row{display:grid;grid-template-columns:1.25fr 1fr;gap:20px}.activity-card{background:#fff;border-radius:var(--radius-card, 24px);padding:24px;box-shadow:var(--shadow-card);border:1px solid var(--card-border, #E6EAF2);display:flex;flex-direction:column;gap:16px}.activity-card-header{display:flex;align-items:center;justify-content:space-between}.activity-card-title{font-size:15px;font-weight:700;color:#1e2547}.activity-rings-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 12px}.linked-teachers-card{background:#fff;border-radius:var(--radius-card, 24px);padding:24px;box-shadow:var(--shadow-card);border:1px solid var(--card-border, #E6EAF2);display:flex;flex-direction:column;gap:16px}.section-header{display:flex;align-items:center;justify-content:space-between}.section-title{font-size:15px;font-weight:700;color:#1e2547}.see-all-link{font-size:12px;font-weight:600;color:#5b73e0;text-decoration:underline;cursor:pointer}.teacher-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-radius:16px;background:#f8fafd;border:1px solid #EDF1F7;transition:all .2s ease}.teacher-item:hover{background:#f0f4fc;transform:translateY(-1px)}.teacher-info{display:flex;align-items:center;gap:12px}.teacher-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}.teacher-name{font-size:13px;font-weight:700;color:#1e2547}.teacher-sub{font-size:11px;color:#8c97b0;font-weight:500}.teacher-actions{display:flex;align-items:center;gap:8px}.teacher-action-btn{width:32px;height:32px;border-radius:50%;background:#fff;border:1px solid #E2E6F0;display:flex;align-items:center;justify-content:center;color:#586380;transition:all .15s ease}.teacher-action-btn:hover{color:#5b73e0;border-color:#5b73e0}.calendar-card{background:#fff;border-radius:var(--radius-card, 24px);padding:24px;box-shadow:var(--shadow-card);border:1px solid var(--card-border, #E6EAF2);display:flex;flex-direction:column;gap:18px}.calendar-header{display:flex;align-items:center;justify-content:space-between}.calendar-timeline{display:flex;flex-direction:column;gap:12px;position:relative}.timeline-slot{display:flex;align-items:center;gap:14px}.timeline-time{font-size:11px;font-weight:600;color:#8c97b0;width:44px;flex-shrink:0}.timeline-lesson-card{flex:1;padding:12px 14px;border-radius:16px;display:flex;align-items:center;gap:10px;transition:all .2s ease}.timeline-lesson-card.highlight{background:var(--primary-accent, #5B73E0);color:#fff;box-shadow:0 4px 14px #5b73e047}.timeline-lesson-card.highlight .timeline-sub{color:#ffffffd9}.timeline-lesson-card.subtle{background:#f8fafd;border:1px solid #EBF0F8;color:#1e2547}.timeline-lesson-card.subtle .timeline-sub{color:#8c97b0}.timeline-icon-box{width:28px;height:28px;border-radius:8px;background:#fff3;display:flex;align-items:center;justify-content:center}.timeline-lesson-card.subtle .timeline-icon-box{background:#e8eefa;color:#5b73e0}.timeline-title{font-size:12px;font-weight:700}.timeline-sub{font-size:10px;font-weight:500;margin-top:2px}.events-card{background:#fff;border-radius:var(--radius-card, 24px);padding:24px;box-shadow:var(--shadow-card);border:1px solid var(--card-border, #E6EAF2);display:flex;flex-direction:column;gap:16px}.event-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid #F1F4F9}.event-item:last-child{border-bottom:none;padding-bottom:0}.event-thumb{width:44px;height:44px;border-radius:12px;background:#f0f3fa;display:flex;align-items:center;justify-content:center;flex-shrink:0}.event-info{flex:1;min-width:0}.event-title{font-size:12px;font-weight:700;color:#1e2547;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.event-date{font-size:11px;color:#8c97b0;margin-top:2px}@media(max-width:1200px){.dashboard-grid-container,.analytics-row{grid-template-columns:1fr}}.subjects-wrapper-grid-only{background:transparent;padding:0;width:100%;box-sizing:border-box}.subjects-section-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:24px}.subjects-section-title{font-family:var(--font-family);font-size:1.35rem;font-weight:800;color:var(--text-primary);margin:0 0 4px}.subjects-section-sub{font-family:var(--font-family);font-size:.85rem;color:var(--text-secondary);margin:0}.view-all-link{font-family:var(--font-family);font-size:.88rem;color:var(--primary-accent);text-decoration:none;font-weight:600;display:flex;align-items:center;gap:4px;transition:gap var(--transition-fast)}.view-all-link:hover{gap:8px}.subjects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}.subject-card{background:var(--card-subtle);border:1px solid var(--border-subtle);border-radius:var(--radius-card-sm);padding:20px 18px;text-decoration:none;color:var(--text-primary);display:flex;flex-direction:column;transition:all var(--transition-fast)}.subject-card:hover{background:#fff;border-color:var(--primary-accent);transform:translateY(-2px);box-shadow:var(--shadow-card)}.subject-card-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}.subject-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:#5b73e01f!important;color:var(--primary-accent)!important;flex-shrink:0}.subject-card-top h3{font-size:1rem;font-weight:700;margin:0;color:var(--text-primary);line-height:1.3}.subject-card p{font-size:.825rem;color:var(--text-tertiary);margin:0 0 16px;font-weight:500}.subject-card-footer{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--divider);font-size:.825rem;font-weight:600;color:var(--primary-accent)}.subject-arrow{transition:transform var(--transition-fast)}.subject-card:hover .subject-arrow{transform:translate(4px)}.auth-split-layout{display:grid;grid-template-columns:1.05fr 1fr;height:100vh;max-height:100vh;overflow:hidden;background-color:var(--color-bg, #EEF0F6);font-family:var(--font-family, "Inter", sans-serif)}.auth-brand-pane{background:radial-gradient(circle at 10% 15%,rgba(91,115,224,.45) 0%,transparent 45%),radial-gradient(circle at 90% 85%,rgba(35,44,107,.6) 0%,transparent 50%),linear-gradient(145deg,#232c6b,#303e8a,#3f4fa8);padding:40px 48px;display:flex;flex-direction:column;justify-content:space-between;color:#fff;position:relative;overflow:hidden}.auth-brand-header{display:flex;align-items:center}.auth-brand-center{display:flex;flex-direction:column;gap:32px;max-width:480px}.auth-headline-box{animation:authFadeIn .4s ease-out}@keyframes authFadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.auth-kicker{display:inline-block;font-size:.75rem;font-weight:700;color:#c7d2fe;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}.auth-headline-title{font-size:2.15rem;font-weight:800;line-height:1.15;letter-spacing:-.03em;color:#fff;margin-bottom:12px}.auth-headline-sub{font-size:.95rem;line-height:1.55;color:#fffc}.auth-showcase-stack{position:relative;height:130px;margin-top:8px}.showcase-card{position:absolute;width:100%;max-width:380px;border-radius:18px;padding:16px 20px;box-shadow:0 14px 34px #1b214247;transition:all .3s ease}.showcase-card-back{top:0;left:24px;background:#ffffff29;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);transform:scale(.92);z-index:1;display:flex;align-items:center;gap:12px}.showcase-card-mid{top:14px;left:12px;background:#ffffff3d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3);transform:scale(.96);z-index:2;display:flex;align-items:center;gap:12px}.showcase-card-front{top:28px;left:0;background:#fff;border:1px solid rgba(63,79,168,.12);z-index:3;animation:cardSlideFloat 5s ease-in-out infinite alternate}@keyframes cardSlideFloat{0%{transform:translateY(0)}to{transform:translateY(-6px)}}.card-tab-edge{position:absolute;top:-8px;left:20px;width:50px;height:8px;background:#d8dffa;border-top-left-radius:6px;border-top-right-radius:6px;border:1px solid rgba(63,79,168,.12);border-bottom:none}.doc-pill{font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:999px;background:#ffffff4d;color:#fff}.doc-pill-primary{font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:999px;background:var(--color-indigo-100, #E4E8FA);color:var(--color-indigo-700, #3F4FA8)}.doc-name{font-size:.84rem;font-weight:600;color:#fffffff2}.auth-trust-strip{display:flex;flex-direction:column;gap:10px}.auth-trust-chip{display:inline-flex;align-items:center;gap:10px;font-size:.82rem;color:#ffffffe6;font-weight:500}.auth-form-pane{display:flex;align-items:center;justify-content:center;padding:24px;background-color:var(--color-bg, #EEF0F6);height:100vh;max-height:100vh;overflow-y:auto}.auth-form-card{width:100%;max-width:440px;background:#fff;border-radius:var(--radius-card, 24px);padding:36px 38px;box-shadow:var(--shadow-modal);border:1px solid var(--color-border, rgba(63, 79, 168, .08))}.auth-back-link{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:600;color:var(--color-muted, #6A7399);text-decoration:none;margin-bottom:16px;transition:color .2s ease}.auth-back-link:hover{color:var(--color-indigo-700, #3F4FA8)}.auth-form-title{font-size:1.6rem;font-weight:800;color:var(--color-ink, #1B2142);letter-spacing:-.025em;margin-bottom:4px}.auth-form-subtitle{font-size:.88rem;color:var(--color-muted, #6A7399);line-height:1.45;margin-bottom:20px}.auth-alert-error{padding:10px 14px;background:#ef44441a;border:1px solid rgba(239,68,68,.25);color:#ef4444;border-radius:12px;font-size:.82rem;font-weight:600;margin-bottom:16px}.auth-alert-info{padding:10px 14px;background:#10b9811a;border:1px solid rgba(16,185,129,.25);color:#10b981;border-radius:12px;font-size:.82rem;font-weight:600;margin-bottom:16px}.compact-auth-form{display:flex;flex-direction:column;gap:14px}.auth-switch-prompt{text-align:center;font-size:.84rem;color:var(--color-muted, #6A7399);margin-top:10px}.auth-switch-prompt a{color:var(--color-indigo-700, #3F4FA8);font-weight:700;text-decoration:none}.auth-switch-prompt a:hover{text-decoration:underline}.wizard-progress-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding:0 4px}.wizard-step-node{display:flex;align-items:center;gap:8px;position:relative;flex:1}.wizard-step-node:last-child{flex:0}.step-bubble{width:26px;height:26px;border-radius:50%;background:var(--color-bg, #EEF0F6);border:1px solid rgba(63,79,168,.16);color:var(--color-muted, #6A7399);font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .25s ease}.step-bubble.active{background:var(--color-indigo-700, #3F4FA8);border-color:var(--color-indigo-700, #3F4FA8);color:#fff;box-shadow:0 2px 8px #3f4fa84d}.step-bubble.completed{background:#10b981;border-color:#10b981;color:#fff}.step-label{font-size:.78rem;font-weight:600;color:var(--color-ink-subtle, #3A4269);white-space:nowrap}.step-line{flex:1;height:2px;background:#e7ebf5;margin:0 10px;transition:background .25s ease}.step-line.filled{background:#10b981}.segmented-otp-row{display:flex;justify-content:space-between;gap:8px;margin:6px 0 12px}.otp-digit-box{width:48px;height:54px;border-radius:14px;border:1.5px solid rgba(63,79,168,.18);background:#fff;text-align:center;font-size:1.45rem;font-weight:800;color:var(--color-indigo-700, #3F4FA8);outline:none;transition:all .2s ease;box-shadow:var(--shadow-xs)}.otp-digit-box:focus{border-color:var(--color-indigo-500, #5B73E0);box-shadow:0 0 0 3px #5b73e040;transform:translateY(-1px)}@media(max-width:900px){.auth-split-layout{grid-template-columns:1fr;height:auto;min-height:100vh;max-height:none;overflow-y:auto}.auth-brand-pane{display:none}.auth-form-pane{height:auto;min-height:100vh;padding:32px 20px}.auth-form-card{padding:28px 24px}}.deletion-requests{display:flex;flex-direction:column;gap:24px}.deletion-header{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}.deletion-header h2{margin:0;font-size:1.6rem;font-weight:800;color:var(--text-primary)}.deletion-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:20px}.deletion-card{background:#fff;border:1px solid var(--card-border);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:16px;transition:all var(--transition-fast)}.deletion-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.card-header{display:flex;justify-content:space-between;align-items:center;gap:12px}.card-header h3{margin:0;font-size:1.1rem;font-weight:700;color:var(--text-primary)}.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.badge.pending{background:var(--warning-light);color:var(--warning)}.badge.approved{background:var(--success-light);color:var(--success)}.badge.rejected{background:var(--danger-light);color:var(--danger)}.teacher-management{display:flex;flex-direction:column;gap:24px}.teacher-topbar{display:flex;justify-content:space-between;gap:16px;align-items:flex-end;flex-wrap:wrap}.section-kicker{margin:0 0 4px;text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;font-weight:700;color:var(--primary-accent)}.teacher-topbar h2{margin:0;font-size:1.6rem;font-weight:800;color:var(--text-primary)}.teacher-tools{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.teacher-tools input{border:1px solid var(--border-subtle);background:#fff;color:var(--text-primary);border-radius:var(--radius-pill);padding:10px 18px;outline:none;font-family:var(--font-family);font-size:.9rem;min-width:240px;box-shadow:var(--shadow-sm);transition:all var(--transition-fast)}.teacher-tools input:focus{border-color:var(--primary-accent);box-shadow:0 0 0 3px #5b73e02e}.ghost-btn{padding:10px 20px;border-radius:var(--radius-pill);border:1px solid var(--border-subtle);background:#fff;color:var(--text-secondary);font-family:var(--font-family);font-size:.88rem;font-weight:600;cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-fast)}.ghost-btn:hover{border-color:var(--primary-accent);color:var(--primary-accent)}.btn-primary{padding:10px 22px;border-radius:var(--radius-pill);background:var(--sidebar-bg);color:#fff;font-family:var(--font-family);font-size:.88rem;font-weight:600;border:none;cursor:pointer;box-shadow:0 4px 12px #3b4ca340;transition:all var(--transition-fast)}.modal-overlay{position:fixed;inset:0;background:#1e254766;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:#fff;border-radius:var(--radius-card);padding:36px 32px;width:100%;max-width:500px;box-shadow:var(--shadow-dropdown);border:1px solid rgba(226,232,240,.9)}.modal-content h3{font-size:1.35rem;font-weight:800;color:var(--text-primary);margin-bottom:20px}.modal-content input,.modal-content select{width:100%;padding:12px 16px;border-radius:var(--radius-input);border:1px solid var(--border-subtle);background:var(--card-subtle);font-size:.925rem;color:var(--text-primary);outline:none;margin-bottom:16px;box-sizing:border-box}.modal-content input:focus,.modal-content select:focus{border-color:var(--primary-accent);background:#fff;box-shadow:0 0 0 3px 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24px;border:0;background:transparent;color:var(--sidebar-text);font-family:var(--font-family);font-size:.925rem;font-weight:500;text-align:left;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;box-sizing:border-box}.admin-nav-item:hover:not(.active){color:#fff;background:var(--sidebar-hover)}.admin-nav-item.active{background-color:var(--canvas-bg);color:var(--sidebar-active-text);font-weight:700;border-radius:999px 0 0 999px;margin-left:12px;width:calc(100% - 12px);padding-left:20px}.admin-nav-item.active:before{content:"";position:absolute;top:-20px;right:0;width:20px;height:20px;background:transparent;border-bottom-right-radius:20px;box-shadow:6px 6px 0 6px var(--canvas-bg);pointer-events:none}.admin-nav-item.active:after{content:"";position:absolute;bottom:-20px;right:0;width:20px;height:20px;background:transparent;border-top-right-radius:20px;box-shadow:6px -6px 0 6px var(--canvas-bg);pointer-events:none}.admin-nav-item 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var(--transition-fast)}.admin-logout-btn:hover{background:#ffffff1a;color:#fff}.admin-content,.admin-main{flex:1;margin-left:250px;padding:32px 40px;min-height:100vh;box-sizing:border-box}.admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;gap:16px;flex-wrap:wrap}.admin-eyebrow{font-size:.75rem;font-weight:700;color:var(--primary-accent);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}.admin-header h1{font-size:1.85rem;font-weight:800;color:var(--text-primary);margin-bottom:4px}.admin-subtitle{color:var(--text-secondary);font-size:.925rem;margin:0}.admin-actions{display:flex;align-items:center;gap:12px}.btn-primary{padding:10px 24px;border-radius:var(--radius-pill);background:var(--sidebar-bg);color:#fff;font-weight:600;font-size:.88rem;border:none;cursor:pointer;box-shadow:0 4px 14px #3b4ca340;transition:all var(--transition-fast)}.btn-primary:hover{background:#313f8c;transform:translateY(-1px)}.btn-secondary{padding:10px 20px;border-radius:var(--radius-pill);background:#fff;color:var(--text-primary);font-weight:600;font-size:.88rem;border:1px solid var(--border-subtle);cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-fast)}.btn-secondary:hover{border-color:var(--primary-accent);color:var(--primary-accent)}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:32px}.summary-card{background:#fff;border-radius:var(--radius-card);padding:24px;border:1px solid var(--card-border);box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:8px;transition:all var(--transition-fast)}.summary-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.summary-card-label{font-size:.8rem;font-weight:700;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em}.summary-card-value{font-size:2.25rem;font-weight:800;color:var(--text-primary);line-height:1.1}.dashboard-grid{display:flex;flex-direction:column;gap:28px}.dashboard-panel{background:#fff;border-radius:var(--radius-card);padding:32px;border:1px solid var(--card-border);box-shadow:var(--shadow-card)}.panel-eyebrow{font-size:.75rem;font-weight:700;color:var(--primary-accent);text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px}.panel-title{font-size:1.3rem;font-weight:800;color:var(--text-primary);margin:0 0 20px}.table-wrap{overflow-x:auto}.admin-table{width:100%;border-collapse:separate;border-spacing:0 8px}.admin-table th{text-align:left;padding:12px 18px;font-size:.78rem;font-weight:700;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;border:none}.admin-table tbody tr{background:var(--card-subtle);transition:all var(--transition-fast)}.admin-table tbody tr:hover{background:#f1f4fb}.admin-table td{padding:14px 18px;font-size:.9rem;color:var(--text-primary);border:none}.admin-table td:first-child{border-top-left-radius:14px;border-bottom-left-radius:14px}.admin-table td:last-child{border-top-right-radius:14px;border-bottom-right-radius:14px}.role-badge,.status-badge{display:inline-flex;align-items:center;padding:4px 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var(--transition-fast)}.login-to-upload:hover{border-color:var(--primary-accent);transform:translateY(-1px)}.subject-filter-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}.filter-pills-row{display:flex;gap:8px;flex-wrap:wrap}.filter-pill{padding:8px 18px;border-radius:var(--radius-pill);background:#fff;border:1px solid var(--border-subtle);color:var(--text-secondary);font-size:.85rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.filter-pill:hover{border-color:var(--primary-accent);color:var(--primary-accent)}.filter-pill.active{background:var(--primary-accent);color:#fff;border-color:var(--primary-accent);box-shadow:0 4px 12px #5b73e04d}.subject-search-input{padding:10px 20px;border-radius:var(--radius-pill);border:1px solid var(--border-subtle);background:#fff;font-size:.9rem;color:var(--text-primary);outline:none;box-shadow:var(--shadow-sm);min-width:260px;transition:all 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18px;border-radius:var(--radius-pill);font-size:.85rem;font-weight:600;background:var(--primary-accent);color:#fff;text-decoration:none;transition:all var(--transition-fast);display:inline-flex;align-items:center;gap:6px}.btn-view-paper:hover{background:var(--primary-hover);transform:translateY(-1px)}.btn-download-paper{padding:8px 18px;border-radius:var(--radius-pill);font-size:.85rem;font-weight:600;background:var(--canvas-bg);color:var(--text-primary);border:1px solid var(--border-subtle);text-decoration:none;transition:all var(--transition-fast);display:inline-flex;align-items:center;gap:6px}.btn-download-paper:hover{background:#fff;border-color:var(--primary-accent);color:var(--primary-accent)}.subject-modal-backdrop{position:fixed;inset:0;background:#1e254766;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.subject-modal-card{background:#fff;border-radius:var(--radius-card);padding:36px 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22px;border-radius:var(--radius-pill);font-size:.9rem;font-weight:600;color:var(--text-secondary);background:var(--canvas-bg);border:1px solid var(--border-subtle);cursor:pointer}.btn-modal-cancel:hover{background:#e2e8f0}.btn-modal-confirm{padding:10px 26px;border-radius:var(--radius-pill);font-size:.9rem;font-weight:600;color:#fff;background:var(--sidebar-bg);border:none;cursor:pointer;box-shadow:0 4px 14px #3b4ca34d}.btn-modal-confirm:hover{background:#313f8c}.empty-papers-state{text-align:center;padding:64px 32px;background:#fff;border-radius:var(--radius-card);border:1px solid var(--card-border);box-shadow:var(--shadow-sm);margin-bottom:32px}.empty-papers-state h3{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}.empty-papers-state p{color:var(--text-secondary);font-size:.9rem;max-width:400px;margin:0 auto 20px}.filters{display:flex;align-items:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.filters input{padding:11px 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var(--transition-fast)}.search-btn:hover{background:var(--primary-hover);transform:translateY(-1px)}.upload-form-box{background:#fff;border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow-card);border:1px solid var(--card-border);margin-bottom:28px}.upload-form-box h3{font-size:1.25rem;font-weight:800;color:var(--text-primary);margin-bottom:20px}.upload-form-box form{display:flex;flex-direction:column;gap:16px}.upload-form-box label{font-size:.85rem;font-weight:600;color:var(--text-primary)}.upload-form-box input[type=text],.upload-form-box select,.upload-form-box input[type=file]{width:100%;padding:12px 18px;border-radius:var(--radius-input);border:1px solid var(--border-subtle);background:var(--card-subtle);font-size:.925rem;outline:none;box-sizing:border-box}.upload-form-box input:focus,.upload-form-box select:focus{background:#fff;border-color:var(--primary-accent);box-shadow:0 0 0 3px #5b73e02e}.upload-btn{padding:12px 28px;border-radius:var(--radius-pill);background:var(--sidebar-bg);color:#fff;font-size:.925rem;font-weight:600;border:none;cursor:pointer;align-self:flex-start;box-shadow:0 4px 14px #3b4ca340}.upload-btn:hover{background:#313f8c}.results{display:flex;flex-direction:column;gap:16px}.results>p{font-size:.85rem;color:var(--text-tertiary);font-weight:600;margin-bottom:4px}.paper-card{background:#fff;border-radius:var(--radius-card);padding:24px;border:1px solid var(--card-border);box-shadow:var(--shadow-card);display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;transition:all var(--transition-fast)}.paper-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#5b73e066}.paper-info strong{font-size:1.1rem;font-weight:700;color:var(--text-primary);display:block;margin-bottom:6px}.paper-meta{font-size:.825rem;color:var(--text-tertiary);display:block;margin-bottom:10px}.rating-row{display:flex;align-items:center;gap:16px;font-size:.825rem;color:var(--text-secondary)}.rating-summary{font-weight:600;color:#f59e0b}.rating-input{display:flex;align-items:center;gap:8px}.rating-input select{padding:4px 10px;border-radius:var(--radius-pill);border:1px solid var(--border-subtle);background:var(--canvas-bg);font-size:.8rem}.report-issue-page{flex:1;background:var(--canvas-bg);padding:32px 40px;color:var(--text-primary);display:flex;justify-content:center;align-items:flex-start;font-family:var(--font-family)}.report-issue-panel{width:100%;max-width:780px;background:#fff;border:1px solid var(--card-border);border-radius:var(--radius-card);padding:40px;box-shadow:var(--shadow-card)}.report-issue-header{margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border-subtle)}.report-issue-kicker{display:inline-block;margin-bottom:8px;color:var(--primary-accent);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.report-issue-header h1{margin:0 0 8px;color:var(--text-primary);font-size:1.85rem;font-weight:800;letter-spacing:-.02em}.report-issue-header p{margin:0;color:var(--text-secondary);font-size:.95rem;line-height:1.5}.report-issue-form{display:flex;flex-direction:column;gap:20px}.report-issue-form input,.report-issue-form select,.report-issue-form textarea{width:100%;padding:12px 18px;border-radius:var(--radius-input);border:1px solid var(--border-subtle);background:var(--card-subtle);font-family:var(--font-family);font-size:.925rem;color:var(--text-primary);outline:none;box-sizing:border-box;transition:all var(--transition-fast)}.report-issue-form input:focus,.report-issue-form select:focus,.report-issue-form textarea:focus{background:#fff;border-color:var(--primary-accent);box-shadow:0 0 0 3px #5b73e02e}.report-issue-submit{padding:14px 32px;border-radius:var(--radius-pill);background:var(--sidebar-bg);color:#fff;border:none;font-size:.95rem;font-weight:600;cursor:pointer;align-self:flex-start;box-shadow:0 4px 14px #3b4ca340;transition:all var(--transition-fast)}.report-issue-submit:hover{background:#313f8c;transform:translateY(-1px)}.landing-page-root{min-height:100vh;background-color:var(--color-bg, #EEF0F6);color:var(--color-ink, #1B2142);font-family:var(--font-family, "Inter", sans-serif);overflow-x:hidden}.landing-nav-glass{position:sticky;top:0;z-index:1000;background:#ffffffd1;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(63,79,168,.08);transition:all .25s ease}.landing-nav-inner{max-width:1240px;margin:0 auto;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}.landing-nav-brand{display:flex;align-items:center}.landing-nav-links{display:flex;align-items:center;gap:32px}.landing-nav-link{font-size:.92rem;font-weight:600;color:var(--color-ink-subtle, #3A4269);text-decoration:none;position:relative;padding:6px 0;transition:color .2s ease}.landing-nav-link:hover{color:var(--color-indigo-700, #3F4FA8)}.landing-nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0%;height:2px;background:var(--color-indigo-500, #5B73E0);border-radius:999px;transition:width .25s ease}.landing-nav-link:hover:after{width:100%}.landing-nav-actions{display:flex;align-items:center;gap:12px}.nav-btn-signin{padding:9px 20px;border-radius:var(--radius-pill, 999px);font-size:.88rem;font-weight:600;color:var(--color-ink, #1B2142);background:transparent;border:1px solid rgba(63,79,168,.16);cursor:pointer;transition:all .2s ease}.nav-btn-signin:hover{background:#fff;border-color:var(--color-indigo-500, #5B73E0);color:var(--color-indigo-700, #3F4FA8)}.nav-btn-getstarted{padding:9px 22px;border-radius:var(--radius-pill, 999px);font-size:.88rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#3f4fa8,#232c6b);border:none;box-shadow:0 4px 14px #3f4fa847;cursor:pointer;transition:all .2s ease}.nav-btn-getstarted:hover{transform:translateY(-1px);box-shadow:0 6px 18px #3f4fa861}.nav-mobile-hamburger{display:none;background:transparent;border:none;color:var(--color-ink, #1B2142);cursor:pointer;padding:6px}.mobile-nav-drawer{display:flex;flex-direction:column;background:#fff;border-top:1px solid var(--color-divider, #E7EBF5);padding:20px 24px;gap:16px}.mobile-nav-drawer a{font-size:1rem;font-weight:600;color:var(--color-ink, #1B2142);text-decoration:none}.mobile-nav-drawer-actions{display:flex;gap:12px;margin-top:8px}.landing-hero-section{position:relative;padding:64px 28px 84px;background:radial-gradient(circle at 10% 20%,rgba(91,115,224,.08) 0%,transparent 45%),radial-gradient(circle at 90% 75%,rgba(63,79,168,.07) 0%,transparent 45%)}.landing-hero-container{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:52px}.hero-kicker-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--radius-pill, 999px);background:#fff;border:1px solid rgba(63,79,168,.12);box-shadow:var(--shadow-sm);font-size:.8rem;font-weight:700;color:var(--color-indigo-700, #3F4FA8);margin-bottom:22px}.hero-kicker-dot{width:8px;height:8px;border-radius:50%;background:#10b981;box-shadow:0 0 0 3px #10b98133}.hero-title{font-size:3.25rem;font-weight:800;line-height:1.12;letter-spacing:-.035em;color:var(--color-ink, #1B2142);margin-bottom:18px}.hero-subtitle{font-size:1.1rem;line-height:1.6;color:var(--color-muted, #6A7399);margin-bottom:28px;max-width:540px}.hero-cta-row{display:flex;align-items:center;gap:14px;margin-bottom:32px;flex-wrap:wrap}.hero-pill-search{display:flex;align-items:center;background:#fff;border-radius:var(--radius-pill, 999px);padding:6px 8px 6px 18px;border:1px solid rgba(63,79,168,.16);box-shadow:var(--shadow-card);max-width:520px;transition:all .2s ease}.hero-pill-search:focus-within{border-color:var(--color-indigo-500, #5B73E0);box-shadow:0 0 0 3px #5b73e038,var(--shadow-card-hover)}.hero-search-icon{color:var(--color-muted, #6A7399);margin-right:10px;flex-shrink:0}.hero-pill-search input{flex:1;border:none;background:transparent;font-size:.92rem;color:var(--color-ink, #1B2142);outline:none}.hero-search-button{padding:9px 20px;border-radius:var(--radius-pill, 999px);background:var(--color-indigo-700, #3F4FA8);color:#fff;border:none;font-size:.85rem;font-weight:700;cursor:pointer;transition:all .2s ease}.hero-search-button:hover{background:#313f8c}.landing-hero-right{position:relative;padding:24px}.hero-orbit-chip{position:absolute;background:#fff;border-radius:18px;padding:10px 16px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-dropdown);border:1px solid rgba(63,79,168,.12);z-index:10;animation:floatOrbit 4s ease-in-out infinite alternate;white-space:nowrap}.chip-preview{top:-8px;left:0}.chip-curriculum{bottom:0;right:0;animation-delay:2s}@keyframes floatOrbit{0%{transform:translateY(0)}to{transform:translateY(-8px)}}.orbit-chip-icon{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.orbit-chip-title{display:block;font-size:.82rem;font-weight:700;color:var(--color-ink, #1B2142);line-height:1.2}.orbit-chip-sub{font-size:.72rem;color:var(--color-muted, #6A7399)}.hero-product-frame{background:#fff;border-radius:28px;box-shadow:var(--shadow-modal);border:1px solid rgba(63,79,168,.12);overflow:hidden;display:grid;grid-template-columns:180px 1fr;min-height:380px}.mockup-sidebar{background:linear-gradient(180deg,#3f4fa8,#2a3676);padding:24px 14px;display:flex;flex-direction:column;gap:8px}.mockup-sidebar-logo{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:.92rem;margin-bottom:20px;padding:0 4px}.mockup-nav-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-pill, 999px);color:#ffffffbf;font-size:.82rem;font-weight:500}.mockup-nav-item.active{background:#fff;color:var(--color-indigo-700, #3F4FA8);font-weight:700}.mockup-canvas{background:var(--color-bg, #EEF0F6);padding:22px;display:flex;flex-direction:column;gap:16px}.mockup-canvas-header{background:#fff;border-radius:18px;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;border:1px solid var(--color-border, rgba(63, 79, 168, .08))}.mockup-welcome{display:block;font-size:.72rem;font-weight:700;color:var(--color-indigo-500, #5B73E0);text-transform:uppercase;letter-spacing:.06em}.mockup-name{font-size:1.05rem;color:var(--color-ink, #1B2142)}.mockup-pill-badge{font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--color-indigo-50, #F4F6FD);color:var(--color-indigo-700, #3F4FA8)}.mockup-chart-card{background:#fff;border-radius:18px;padding:16px 20px;border:1px solid var(--color-border, rgba(63, 79, 168, .08))}.mockup-chart-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px}.mockup-stat-label{display:block;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--color-muted, #6A7399)}.mockup-stat-num{font-size:.95rem;color:var(--color-ink, #1B2142)}.mockup-filter-pill{font-size:.72rem;color:var(--color-muted, #6A7399);background:var(--color-bg, #EEF0F6);padding:3px 8px;border-radius:999px}.mockup-bar-chart-container{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;height:110px;padding:6px 4px 0}.mockup-bar-item{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1}.mockup-bar-pillar{width:26px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,#5b73e0,#3f4fa8);box-shadow:0 4px 10px #3f4fa833}.mockup-bar-label{font-size:.68rem;font-weight:700;color:var(--color-muted, #6A7399)}.mockup-rings-card{background:#fff;border-radius:18px;padding:14px 18px;border:1px solid var(--color-border, rgba(63, 79, 168, .08))}.mockup-rings-row{display:flex;justify-content:space-around;margin-top:8px}.marquee-section{background:#fff;border-top:1px solid var(--color-divider, #E7EBF5);border-bottom:1px solid var(--color-divider, #E7EBF5);padding:14px 0;overflow:hidden;position:relative}.marquee-track{display:flex;width:max-content;-webkit-user-select:none;user-select:none}.marquee-track:hover .marquee-content{animation-play-state:paused}.marquee-content{display:flex;align-items:center;gap:36px;padding-right:36px;animation:marqueeScroll 30s linear infinite}@keyframes marqueeScroll{0%{transform:translate(0)}to{transform:translate(-100%)}}.marquee-item{display:inline-flex;align-items:center;gap:10px;font-size:.88rem;font-weight:700;color:var(--color-ink-subtle, #3A4269);white-space:nowrap}.marquee-dot{width:6px;height:6px;border-radius:50%;background:var(--color-indigo-500, #5B73E0)}.landing-stats-row{background:#fff;border-bottom:1px solid var(--color-divider, #E7EBF5);padding:44px 28px}.stats-container{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center}.stat-unit{display:flex;flex-direction:column;align-items:center;gap:6px}.stat-big-num{font-size:2.75rem;font-weight:800;color:var(--color-indigo-700, #3F4FA8);line-height:1;letter-spacing:-.03em}.stat-unit-title{font-size:.95rem;font-weight:700;color:var(--color-ink, #1B2142)}.stat-unit-desc{font-size:.8rem;color:var(--color-muted, #6A7399)}.campus-shelf-section{max-width:1240px;margin:0 auto;padding:84px 28px 72px}.section-head-wrap{text-align:center;max-width:640px;margin:0 auto 40px}.section-eyebrow{display:inline-block;font-size:.75rem;font-weight:700;color:var(--color-indigo-500, #5B73E0);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}.section-main-title{font-size:2.4rem;font-weight:800;color:var(--color-ink, #1B2142);letter-spacing:-.03em;line-height:1.2;margin-bottom:12px}.section-main-sub{font-size:1.05rem;color:var(--color-muted, #6A7399);line-height:1.55}.shelf-chips-wrap{display:flex;justify-content:center;margin-bottom:28px;overflow-x:auto;padding:4px}.shelf-display-card{background:#fff;border-radius:var(--radius-card, 24px);padding:36px;box-shadow:var(--shadow-shelf, 0 4px 0 #DDE2F0, 0 8px 20px rgba(35, 44, 107, .06));border:1px solid var(--color-border, rgba(63, 79, 168, .08));position:relative;transition:all .3s cubic-bezier(.16,1,.3,1)}.shelf-display-card:before{content:"";position:absolute;top:-9px;left:36px;width:72px;height:9px;background:#d8dffa;border-top-left-radius:8px;border-top-right-radius:8px;border:1px solid rgba(63,79,168,.12);border-bottom:none}.shelf-display-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;flex-wrap:wrap;gap:16px;border-bottom:1px solid var(--color-divider, #E7EBF5);padding-bottom:20px}.shelf-cohort-tag{display:block;font-size:.75rem;font-weight:700;color:var(--color-indigo-500, #5B73E0);text-transform:uppercase;letter-spacing:.08em}.shelf-cohort-title{font-size:1.45rem;font-weight:800;color:var(--color-ink, #1B2142);margin-top:2px}.shelf-types-badge-row{display:flex;gap:8px;flex-wrap:wrap}.shelf-type-pill{padding:6px 14px;border-radius:999px;background:var(--color-indigo-50, #F4F6FD);color:var(--color-indigo-700, #3F4FA8);font-size:.8rem;font-weight:700}.shelf-subjects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.shelf-subject-item{display:flex;align-items:center;gap:14px;padding:16px 20px;border-radius:18px;background:var(--color-surface-subtle, #F8F9FD);border:1px solid rgba(63,79,168,.08);cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1)}.shelf-subject-item:hover{background:#fff;border-color:var(--color-indigo-500, #5B73E0);box-shadow:var(--shadow-card);transform:translateY(-2px)}.shelf-subject-icon{width:40px;height:40px;border-radius:12px;background:var(--color-indigo-100, #E4E8FA);color:var(--color-indigo-700, #3F4FA8);display:flex;align-items:center;justify-content:center;flex-shrink:0}.shelf-subject-info strong{display:block;font-size:.92rem;color:var(--color-ink, #1B2142)}.shelf-subject-info span{font-size:.78rem;color:var(--color-muted, #6A7399)}.bento-features-section{max-width:1240px;margin:0 auto;padding:84px 28px}.bento-strict-grid{display:grid;grid-template-columns:1fr 1fr 1fr;grid-template-areas:"search   preview  upload" "ratings  classes  rbac";gap:24px}.bento-area-search{grid-area:search}.bento-area-preview{grid-area:preview}.bento-area-upload{grid-area:upload}.bento-area-ratings{grid-area:ratings}.bento-area-classes{grid-area:classes}.bento-area-rbac{grid-area:rbac}.bento-item{background:#fff;border-radius:var(--radius-card, 24px);padding:32px;border:1px solid var(--color-border, rgba(63, 79, 168, .08));box-shadow:var(--shadow-card);display:flex;flex-direction:column;justify-content:space-between;transition:all .25s cubic-bezier(.16,1,.3,1);min-height:270px}.bento-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:#5b73e059}.bento-item-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.bento-item-title{font-size:1.25rem;font-weight:800;color:var(--color-ink, #1B2142);margin-bottom:8px;letter-spacing:-.02em}.bento-item-desc{font-size:.92rem;line-height:1.55;color:var(--color-muted, #6A7399);margin-bottom:20px}.bento-visual-search-demo,.bento-visual-preview-demo,.bento-visual-hash-demo,.bento-visual-stars-demo,.bento-visual-classes-demo,.bento-visual-rbac-demo{background:var(--color-surface-subtle, #F8F9FD);border-radius:14px;padding:12px 16px;border:1px solid var(--color-divider, #E7EBF5);display:flex;align-items:center;gap:8px;flex-wrap:wrap}.demo-chip{padding:4px 10px;border-radius:999px;background:#fff;border:1px solid rgba(63,79,168,.12);font-size:.75rem;font-weight:600;color:var(--color-ink, #1B2142)}.demo-chip.active{background:var(--color-indigo-700, #3F4FA8);color:#fff;border-color:var(--color-indigo-700, #3F4FA8)}.preview-doc-card{display:flex;align-items:center;gap:10px;font-size:.8rem;font-weight:600;color:var(--color-ink, #1B2142)}.doc-icon{background:#5b73e0;color:#fff;padding:2px 6px;border-radius:6px;font-size:.7rem;font-weight:700}.hash-code{font-family:monospace;font-size:.78rem;color:#10b981;font-weight:600}.star-rating-text{font-size:.82rem;font-weight:700;color:var(--color-ink, #1B2142);margin-left:4px}.cohort-mini-tag{font-size:.78rem;font-weight:700;color:var(--color-indigo-700, #3F4FA8);background:#fff;padding:4px 10px;border-radius:8px;border:1px solid rgba(63,79,168,.12)}.role-pill-student{font-size:.75rem;font-weight:700;padding:3px 8px;border-radius:999px;background:#5b73e01f;color:#5b73e0}.role-pill-teacher{font-size:.75rem;font-weight:700;padding:3px 8px;border-radius:999px;background:#10b9811f;color:#10b981}.role-pill-admin{font-size:.75rem;font-weight:700;padding:3px 8px;border-radius:999px;background:#ef44441f;color:#ef4444}.how-it-works-section{max-width:1240px;margin:0 auto;padding:72px 28px}.steps-connected-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative}.step-card-box{background:#fff;border-radius:var(--radius-card, 24px);padding:36px 28px;border:1px solid var(--color-border, rgba(63, 79, 168, .08));box-shadow:var(--shadow-card);position:relative;text-align:left}.step-circle-badge{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#3f4fa8,#232c6b);color:#fff;font-weight:800;font-size:1.15rem;display:flex;align-items:center;justify-content:center;margin-bottom:20px;box-shadow:0 4px 14px #3f4fa847}.step-heading{font-size:1.25rem;font-weight:800;color:var(--color-ink, #1B2142);margin-bottom:8px}.step-description{font-size:.92rem;line-height:1.55;color:var(--color-muted, #6A7399)}.roles-overview-section{max-width:1240px;margin:0 auto;padding:72px 28px}.roles-cards-container{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.role-user-card{background:#fff;border-radius:var(--radius-card, 24px);padding:36px 30px;border:1px solid var(--color-border, rgba(63, 79, 168, .08));box-shadow:var(--shadow-card);display:flex;flex-direction:column}.role-card-icon{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.role-card-title{font-size:1.35rem;font-weight:800;color:var(--color-ink, #1B2142);margin-bottom:10px}.role-card-summary{font-size:.92rem;line-height:1.55;color:var(--color-muted, #6A7399);margin-bottom:24px}.role-bullets{list-style:none;display:flex;flex-direction:column;gap:12px;padding:0;margin-top:auto}.role-bullets li{display:flex;align-items:center;gap:10px;font-size:.88rem;font-weight:600;color:var(--color-ink-subtle, #3A4269)}.landing-final-cta{max-width:1240px;margin:32px auto 84px;padding:0 28px}.final-cta-card{background:linear-gradient(135deg,#232c6b,#3f4fa8 60%,#5b73e0);border-radius:32px;padding:64px 40px;text-align:center;color:#fff;box-shadow:var(--shadow-modal);position:relative;overflow:hidden}.final-cta-heading{font-size:2.6rem;font-weight:800;margin-bottom:14px;letter-spacing:-.03em}.final-cta-subtitle{font-size:1.15rem;color:#ffffffd9;max-width:580px;margin:0 auto 32px;line-height:1.6}.landing-footer-clean{background:#fff;border-top:1px solid var(--color-divider, #E7EBF5);padding:64px 28px 32px}.footer-grid{max-width:1240px;margin:0 auto 48px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px}.footer-brand-pane{display:flex;flex-direction:column;gap:14px}.footer-tagline{font-size:.9rem;color:var(--color-muted, #6A7399);line-height:1.6;max-width:320px}.footer-links-col h4{font-size:.88rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-ink, #1B2142);margin-bottom:18px}.footer-links-col a{display:block;font-size:.9rem;color:var(--color-muted, #6A7399);text-decoration:none;margin-bottom:12px;transition:color .2s ease}.footer-links-col a:hover{color:var(--color-indigo-700, #3F4FA8)}.footer-bottom-bar{max-width:1240px;margin:0 auto;padding-top:24px;border-top:1px solid var(--color-divider, #E7EBF5);display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:var(--color-muted, #6A7399);flex-wrap:wrap;gap:12px}@media(max-width:1024px){.landing-hero-container{grid-template-columns:1fr;text-align:center;gap:40px}.hero-subtitle{margin-left:auto;margin-right:auto}.hero-cta-row{justify-content:center}.hero-pill-search{margin:0 auto}.stats-container{grid-template-columns:repeat(2,1fr)}.bento-strict-grid{grid-template-columns:1fr 1fr;grid-template-areas:"search   preview" "upload   ratings" "classes  rbac"}.steps-connected-grid,.roles-cards-container{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:768px){.landing-nav-links,.nav-btn-signin,.nav-btn-getstarted{display:none}.nav-mobile-hamburger{display:block}.hero-title{font-size:2.35rem}.hero-product-frame{grid-template-columns:1fr}.mockup-sidebar,.chip-preview,.chip-curriculum{display:none}.bento-strict-grid{grid-template-columns:1fr;grid-template-areas:"search" "preview" "upload" "ratings" "classes" "rbac"}.stats-container{grid-template-columns:1fr}.final-cta-heading{font-size:2rem}.footer-grid{grid-template-columns:1fr}}*{margin:0;padding:0;box-sizing:border-box}.app-container{display:flex;flex-direction:column;min-height:100vh}.page-layout{display:flex;flex-direction:column;min-height:100vh;width:100%}.search-results-section{max-width:960px;margin:2.5rem auto;padding:0 2rem;min-height:calc(100vh - 350px);flex:1;width:100%}.search-results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:2px solid var(--border-color)}.search-results-header h3{margin:0;font-size:1rem;color:var(--text-primary);font-weight:600}.clear-search-btn{background:none;border:1.5px solid var(--border-color);border-radius:8px;padding:6px 16px;cursor:pointer;font-size:13px;color:var(--text-muted);font-family:Quicksand,sans-serif;transition:all .2s}.clear-search-btn:hover{background:var(--bg-secondary);border-color:var(--accent-primary);color:var(--text-primary)}.no-results{text-align:center;color:var(--text-muted);font-size:15px;padding:3rem 0}.paper-card{background:var(--bg-secondary);border:1.5px solid var(--border-color);border-radius:12px;padding:1rem 1.25rem;margin-bottom:.75rem;display:flex;justify-content:space-between;align-items:center;transition:box-shadow .2s,border-color .2s,transform .2s}.paper-card:hover{box-shadow:var(--shadow-hover);border-color:var(--accent-primary);transform:translateY(-1px)}.paper-info{display:flex;flex-direction:column;gap:5px}.paper-info strong{font-size:15px;color:var(--accent-light);font-family:Quicksand,sans-serif}.paper-meta{font-size:12.5px;color:var(--text-muted);font-family:Quicksand,sans-serif}.paper-actions{display:flex;gap:8px;flex-shrink:0}.view-btn{background:var(--accent-secondary);color:#bfdbfe;padding:8px 16px;border-radius:8px;text-decoration:none;font-size:13px;font-weight:500;font-family:Quicksand,sans-serif;transition:background .2s}.view-btn:hover{background:var(--accent-primary);color:#fff}.download-btn{background:var(--accent-primary);color:#fff;padding:8px 18px;border-radius:8px;text-decoration:none;font-size:13px;font-weight:600;font-family:Quicksand,sans-serif;white-space:nowrap;transition:background .2s}.download-btn:hover{background:var(--accent-secondary)}.recently-added-section{background:var(--bg-secondary);padding:32px 40px 40px;border-top:1px solid var(--border-color)}.recently-added-inner{max-width:1280px;margin:0 auto}.recently-added-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:20px}.recently-added-title-row{display:flex;align-items:center;gap:8px;margin-bottom:4px}.recently-added-title{font-family:Quicksand,sans-serif;font-size:1.2rem;font-weight:700;color:var(--text-primary);margin:0}.recently-added-sub{font-family:Quicksand,sans-serif;font-size:.82rem;color:var(--text-muted);margin:0}.recently-added-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(252px,1fr));gap:14px}.recent-card{background:var(--bg-primary);border:1.5px solid var(--border-color);border-radius:12px;padding:16px;text-decoration:none;color:var(--text-primary);display:flex;flex-direction:column;gap:6px;transition:all .2s ease}.recent-card:hover{border-color:var(--accent-primary);box-shadow:var(--shadow-hover);transform:translateY(-2px)}.recent-card-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;color:#fff;margin-bottom:6px;font-family:Quicksand,sans-serif;font-size:.7rem;letter-spacing:.5px}.recent-card-title{font-family:Quicksand,sans-serif;font-size:.88rem;font-weight:600;color:var(--text-primary);line-height:1.35}.recent-card-meta{font-family:Quicksand,sans-serif;font-size:.75rem;color:var(--text-muted)}.recent-card-age{font-family:Quicksand,sans-serif;font-size:.73rem;color:var(--text-muted);margin-top:4px}.footer{margin-top:auto;background:linear-gradient(135deg,#020617,#1e3a8a);color:#fffc;text-align:center;padding:18px;font-family:Quicksand,sans-serif;font-size:.82rem}.page-layout-with-sidebar{min-height:100vh;width:100%;display:flex;flex-direction:row;gap:0;flex-wrap:nowrap}.main-content-panel{display:flex;flex-direction:column;flex:1;min-height:100vh;padding-left:260px;overflow-y:auto;min-width:0;background:var(--bg-primary)}@media(max-width:1024px){.main-content-panel{padding-left:260px}}@media(max-width:768px){.main-content-panel{padding-left:0;padding-top:60px}}:root{--color-indigo-900: #232C6B;--color-indigo-800: #303E8A;--color-indigo-700: #3F4FA8;--color-indigo-600: #4B62CE;--color-indigo-500: #5B73E0;--color-indigo-400: #7C91E8;--color-indigo-200: #C7D2FE;--color-indigo-100: #E4E8FA;--color-indigo-50: #F4F6FD;--color-ink: #1B2142;--color-ink-subtle: #3A4269;--color-muted: #6A7399;--color-tertiary: #949EBF;--color-border: rgba(63, 79, 168, .08);--color-border-med: rgba(63, 79, 168, .16);--color-bg: #EEF0F6;--color-surface: #FFFFFF;--color-surface-subtle: #F8F9FD;--color-divider: #E7EBF5;--color-success: #10B981;--color-success-bg: rgba(16, 185, 129, .1);--color-success-border:rgba(16, 185, 129, .25);--color-warning: #F59E0B;--color-warning-bg: rgba(245, 158, 11, .1);--color-warning-border:rgba(245, 158, 11, .25);--color-danger: #EF4444;--color-danger-bg: rgba(239, 68, 68, .1);--color-danger-border: rgba(239, 68, 68, .25);--color-info: #3B82F6;--color-info-bg: rgba(59, 130, 246, .1);--gradient-sidebar: linear-gradient(180deg, #3F4FA8 0%, #2A3676 100%);--gradient-accent: linear-gradient(135deg, #5B73E0 0%, #3F4FA8 100%);--gradient-hero: linear-gradient(135deg, #232C6B 0%, #3F4FA8 55%, #5B73E0 100%);--gradient-mesh: radial-gradient(at 0% 0%, rgba(91, 115, 224, .35) 0px, transparent 50%), radial-gradient(at 100% 100%, rgba(35, 44, 107, .45) 0px, transparent 50%), linear-gradient(145deg, #232C6B 0%, #3F4FA8 100%);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-numeric: "Inter", -apple-system, BlinkMacSystemFont, monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.25rem;--text-xl: 1.75rem;--text-2xl: 2.5rem;--text-3xl: 4rem;--radius-card: 24px;--radius-card-sm: 18px;--radius-input: 16px;--radius-pill: 999px;--radius-badge: 8px;--shadow-xs: 0 1px 3px rgba(35, 44, 107, .04);--shadow-sm: 0 2px 8px rgba(35, 44, 107, .05);--shadow-card: 0 8px 24px -4px rgba(35, 44, 107, .06), 0 2px 6px -1px rgba(35, 44, 107, .03);--shadow-card-hover: 0 16px 36px -6px rgba(35, 44, 107, .1), 0 4px 12px -2px rgba(35, 44, 107, .04);--shadow-dropdown: 0 20px 40px -8px rgba(35, 44, 107, .16), 0 4px 12px rgba(35, 44, 107, .05);--shadow-modal: 0 24px 60px -12px rgba(35, 44, 107, .25);--shadow-shelf: 0 4px 0 #DDE2F0, 0 8px 20px rgba(35, 44, 107, .06);--focus-ring: 0 0 0 3px rgba(91, 115, 224, .35);--transition-fast: .15s ease-out;--transition-base: .25s cubic-bezier(.16, 1, .3, 1);--transition-smooth: .35s cubic-bezier(.16, 1, .3, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-ink);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}input,button,select,textarea{font-family:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.num-stat,.stat-value,.metric-num{font-family:var(--font-numeric);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}:focus-visible{outline:none;box-shadow:var(--focus-ring)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.container{width:100%;max-width:1360px;margin:0 auto;padding:0 24px}.glass-panel{background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.6)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}::selection{background:var(--primary-accent);color:#fff}button{cursor:pointer;border:none;background:none;outline:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:none;box-shadow:var(--shadow-focus)}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg,#eaeff8 25%,#f4f7fc,#eaeff8 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:12px}