:root{--bg: #f5f4ef;--surface: #ffffff;--surface-soft: #eef0ea;--line: #e2ded2;--ink: #1f2723;--ink-soft: #5c655e;--ink-faint: #92998f;--primary: #2f4b3c;--primary-strong: #21362a;--primary-soft: #e4ebe4;--accent: #4a5fa5;--accent-soft: #e7eaf6;--success: #3c7a5c;--success-soft: #e4f0e9;--warning: #b5722a;--warning-soft: #f6ead9;--danger: #a83232;--danger-soft: #f6e3e1;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(31, 39, 35, .06), 0 1px 1px rgba(31, 39, 35, .04);--shadow-md: 0 8px 24px rgba(31, 39, 35, .08);--font-display: "Fraunces", Georgia, serif;--font-body: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif}[data-theme=dark]{--bg: #171b18;--surface: #20251f;--surface-soft: #2a2f28;--line: #383e35;--ink: #e7ebe5;--ink-soft: #aab3a5;--ink-faint: #79806f;--primary: #4a7a5f;--primary-strong: #7fb896;--primary-soft: #22332a;--accent: #8b9fe0;--accent-soft: #262b40;--success: #6dbb96;--success-soft: #1f3327;--warning: #dda15e;--warning-soft: #3a2c1a;--danger: #e28080;--danger-soft: #3a2222;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3), 0 1px 1px rgba(0, 0, 0, .2);--shadow-md: 0 8px 24px rgba(0, 0, 0, .4)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;color:var(--primary-strong);margin:0 0 .4em;letter-spacing:-.01em}h1{font-size:1.9rem}h2{font-size:1.4rem}h3{font-size:1.1rem}p{margin:0 0 .8em}a{color:var(--accent)}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app-shell{display:flex;min-height:100vh}.sidebar{width:232px;flex-shrink:0;background:var(--primary);color:#f4f6f3;display:flex;flex-direction:column;padding:20px 14px}.sidebar-brand{font-family:var(--font-display);font-size:1.25rem;padding:6px 10px 22px;color:#fff}.sidebar-brand small{display:block;font-family:var(--font-body);font-size:.72rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:#b9c8bd;margin-top:2px}.sidebar-search{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#ffffff14;border:1px solid rgba(255,255,255,.18);color:#d9e3da;padding:8px 10px;border-radius:var(--radius-sm);font-size:.85rem;font-family:inherit;cursor:pointer;margin-bottom:12px;transition:background .15s ease}.sidebar-search:hover{background:#ffffff24}.kbd-hint{font-size:.68rem;opacity:.75;border:1px solid rgba(255,255,255,.3);border-radius:4px;padding:1px 5px;white-space:nowrap}.sidebar-user-info{margin-top:10px;padding:12px 12px 4px;border-top:1px solid rgba(255,255,255,.15);font-size:.76rem;color:#c3d0c5;line-height:1.4}.sidebar-user-info strong{display:block;color:#fff;font-size:.84rem;word-break:break-all}.sidebar nav{display:flex;flex-direction:column;gap:2px;flex:1}.sidebar a,.sidebar .nav-action{display:flex;align-items:center;gap:9px;white-space:nowrap;text-align:left;background:none;border:none;font-family:inherit;cursor:pointer;color:#d9e3da;text-decoration:none;padding:10px 12px;border-radius:var(--radius-sm);font-size:.92rem;font-weight:500;transition:background .15s ease,color .15s ease}.sidebar a:hover,.sidebar .nav-action:hover{background:#ffffff14;color:#fff}.sidebar a.active{background:#fff;color:var(--primary-strong)}.sidebar-footer{border-top:1px solid rgba(255,255,255,.15);padding-top:12px;margin-top:12px;font-size:.82rem;color:#c3d0c5}.sidebar-footer button{margin-top:8px;background:none;border:1px solid rgba(255,255,255,.3);color:#f4f6f3;padding:6px 10px;border-radius:var(--radius-sm);cursor:pointer;width:100%;font-size:.82rem}.sidebar-footer button:hover{background:#ffffff1a}.main{flex:1;min-width:0;padding:32px 40px 60px;max-width:1180px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}.page-header p{color:var(--ink-soft);margin:0}.page-header .actions{display:flex;gap:10px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:6px;border-radius:var(--radius-sm);border:1px solid transparent;padding:9px 16px;font-size:.88rem;font-weight:600;cursor:pointer;transition:filter .15s ease,background .15s ease;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-strong)}.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover:not(:disabled){filter:brightness(.92)}.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}.btn-ghost:hover:not(:disabled){background:var(--surface-soft)}.btn-danger{background:transparent;border-color:var(--danger);color:var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger-soft)}.btn-sm{padding:5px 10px;font-size:.8rem}.btn-icon{padding:7px;line-height:0}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-sm)}.card+.card{margin-top:18px}.card-title-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:10px}.today-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.today-card{background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:var(--radius-md);padding:18px 20px;cursor:pointer;transition:box-shadow .15s ease,transform .15s ease}.today-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.today-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.today-card-time{font-family:var(--font-display);font-size:1.4rem;font-weight:600;color:var(--primary-strong)}.today-card-title{font-size:1.1rem;font-weight:600;margin-bottom:4px}.today-card-meta{color:var(--ink-soft);font-size:.88rem;margin-bottom:10px}.today-card-count{font-size:.9rem;font-weight:600}.today-card-done{opacity:.55}.today-card-live{border-left-width:8px;box-shadow:var(--shadow-sm)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px}.dashboard-grid{display:grid;grid-template-columns:1fr;gap:14px;align-items:flex-start}.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:16px 18px}.stat-card .value{font-family:var(--font-display);font-size:1.7rem;color:var(--primary-strong)}.stat-card .label{font-size:.78rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em}.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px;min-width:0}.field label{font-size:.8rem;font-weight:600;color:var(--ink-soft)}.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}input,select,textarea{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 11px;width:100%;min-width:0}input:focus,select:focus,textarea:focus{border-color:var(--accent)}textarea{resize:vertical;min-height:70px}.checkbox-row{display:flex;align-items:center;gap:8px}.checkbox-row input{width:auto}.hint{font-size:.78rem;color:var(--ink-faint)}.link-button{background:none;border:none;padding:0;font-size:.78rem;color:var(--accent);text-decoration:underline;cursor:pointer}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;border-top:1px solid var(--line);padding-top:16px}.search-input{max-width:320px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.9rem}th{text-align:left;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);padding:8px 12px;border-bottom:1px solid var(--line)}td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}tr:last-child td{border-bottom:none}.clickable{cursor:pointer}tr.clickable:hover{background:var(--surface-soft)}.table-actions{display:flex;gap:6px;justify-content:flex-start}.empty-state{text-align:center;padding:48px 20px;color:var(--ink-soft)}.empty-state h3{color:var(--ink)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:999px;font-size:.74rem;font-weight:600}.badge-success{background:var(--success-soft);color:var(--success)}.badge-warning{background:var(--warning-soft);color:var(--warning)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-neutral{background:var(--surface-soft);color:var(--ink-soft)}.badge-accent{background:var(--accent-soft);color:var(--accent)}.banner{border-radius:var(--radius-md);padding:12px 16px;font-size:.88rem;margin-bottom:16px}.banner-danger{background:var(--danger-soft);color:var(--danger)}.banner-success{background:var(--success-soft);color:var(--success)}.banner-info{background:var(--accent-soft);color:var(--accent)}.banner-warning{background:var(--warning-soft);color:var(--warning)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#181e1a73;display:flex;align-items:flex-start;justify-content:center;padding:40px 20px;overflow-y:auto;z-index:50}.modal{background:var(--surface);border-radius:var(--radius-lg);padding:26px;width:100%;max-width:560px;box-shadow:var(--shadow-md)}.modal-wide{max-width:780px}.modal-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:16px}.modal-close{background:none;border:none;cursor:pointer;font-size:1.1rem;color:var(--ink-soft);line-height:1}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,var(--primary) 0%,var(--primary-strong) 100%)}.login-card{background:var(--surface);border-radius:var(--radius-lg);padding:36px 34px;width:100%;max-width:380px;box-shadow:var(--shadow-md)}.login-card h1{margin-bottom:4px}.login-card .hint{margin-bottom:22px}.flex{display:flex}.flex-between{display:flex;align-items:center;justify-content:space-between}.gap-8{gap:8px}.gap-12{gap:12px}.muted{color:var(--ink-soft)}.text-right{text-align:right}.mt-0{margin-top:0}.section-title{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin:26px 0 10px}.section-title:first-child{margin-top:0}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px}.tabs button{background:none;border:none;padding:9px 14px;font-weight:600;font-size:.86rem;color:var(--ink-soft);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}.tabs button.active{color:var(--primary-strong);border-bottom-color:var(--primary)}.spinner-line{padding:30px;text-align:center;color:var(--ink-soft)}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.loading-overlay-box{background:var(--surface);border-radius:var(--radius-lg);padding:32px 40px;text-align:center;box-shadow:0 12px 36px #00000040}.loading-overlay-box p{margin:16px 0 0;font-weight:600}.loading-spinner{width:36px;height:36px;margin:0 auto;border:4px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:loading-spin .8s linear infinite}@keyframes loading-spin{to{transform:rotate(360deg)}}.date-field-row{display:flex;flex-wrap:wrap;gap:14px}.date-field-row .field{flex:0 0 auto;margin-bottom:0}.date-field-fixed{width:170px}.datetime-field-fixed{width:210px}.guide-sections{display:flex;flex-direction:column;gap:6px}.guide-section{border:1px solid var(--line);border-left-width:4px;border-radius:var(--radius-sm);padding:10px 14px}.guide-section summary{cursor:pointer;font-weight:600;font-size:.92rem;color:var(--primary-strong);list-style:none;display:flex;align-items:center;gap:10px}.guide-icon{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;color:#fff;flex-shrink:0}.guide-section summary::-webkit-details-marker{display:none}.guide-section summary:before{content:"▸";display:inline-block;width:1.1em;color:var(--ink-faint)}.guide-section[open] summary:before{content:"▾"}.guide-section-body{padding:10px 4px 4px 1.1em;font-size:.9rem;color:var(--ink)}.guide-section-body p:last-child{margin-bottom:0}.guide-section-body ul{margin:0 0 .8em;padding-left:20px}.guide-section-body li{margin-bottom:6px}.guide-section-body li:last-child{margin-bottom:0}.calendar-nav{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}.calendar-range{font-weight:600;color:var(--primary-strong);margin-right:auto}.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(140px,1fr));gap:10px;overflow-x:auto;padding-bottom:8px}.calendar-day{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);min-height:170px;display:flex;flex-direction:column}.calendar-day.is-today{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.calendar-day-header{padding:10px 10px 6px;border-bottom:1px solid var(--line);text-align:center}.calendar-day-name{font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);font-weight:700}.calendar-day-date{font-size:.82rem;color:var(--ink)}.calendar-day-sessions{padding:8px;display:flex;flex-direction:column;gap:6px;flex:1}.calendar-session{background:var(--surface-soft);border-left:3px solid var(--accent);border-radius:4px;padding:6px 8px;cursor:pointer;transition:background .15s ease}.calendar-session:hover{background:var(--primary-soft)}.calendar-session-time{font-weight:700;font-size:.8rem;color:var(--primary-strong)}.calendar-session-title{font-size:.82rem;font-weight:600}.calendar-session-teacher{font-size:.76rem;color:var(--ink-soft)}.bar-chart{display:flex;align-items:flex-end;gap:14px;height:170px;padding:10px 4px 0}.bar-chart-col{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end}.bar-chart-bar{width:100%;max-width:48px;background:var(--accent);border-radius:4px 4px 0 0;min-height:2px;transition:height .2s ease}.bar-chart-value{font-size:.72rem;color:var(--ink-soft);margin-top:6px;white-space:nowrap}.bar-chart-label{font-size:.72rem;color:var(--ink-faint);margin-top:2px;text-transform:capitalize}.kiosk-screen{min-height:100vh;background:#171b18;color:#f4f6f3;padding:40px 56px;font-family:var(--font-body)}.kiosk-columns{display:flex;gap:48px;align-items:flex-start}.kiosk-col-left{flex:1 1 auto;min-width:0}.kiosk-col-right{position:relative;flex:0 0 33.333%;height:calc(100vh - 80px);border-radius:var(--radius-lg);overflow:hidden;background:#0d100e}.kiosk-slide{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;transition:opacity 1.2s ease}.kiosk-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px}.kiosk-brand{font-family:var(--font-display);font-size:2.2rem;font-weight:600}.kiosk-clock{font-family:var(--font-display);font-size:3rem;font-weight:600}.kiosk-date{font-size:1.3rem;color:#aab3a5;text-transform:capitalize;margin-bottom:36px}.kiosk-empty{font-size:1.6rem;color:#aab3a5;text-align:center;margin-top:80px}.kiosk-list{display:flex;flex-direction:column;gap:18px}.kiosk-row{display:flex;align-items:center;gap:28px;background:#20251f;border-left:8px solid var(--accent);border-radius:var(--radius-md);padding:20px 28px}.kiosk-row-done{opacity:.45}.kiosk-row-live{box-shadow:0 0 0 2px #6fa68866}.kiosk-time{font-family:var(--font-display);font-size:2rem;font-weight:600;min-width:110px}.kiosk-info{flex:1}.kiosk-title{font-size:1.5rem;font-weight:600}.kiosk-meta{font-size:1.05rem;color:#aab3a5;margin-top:4px}.kiosk-status{text-align:right}.kiosk-count{font-size:1.1rem;font-weight:600;margin-top:6px}@media (max-width: 900px){.app-shell{flex-direction:column}.sidebar{width:100%;flex-direction:row;align-items:center;padding:10px 14px;overflow-x:auto}.sidebar-brand{padding:0 12px 0 0;white-space:nowrap}.sidebar nav{flex-direction:row}.sidebar-search{margin-bottom:0;background:none;border:none}.sidebar-search,.sidebar a,.sidebar .nav-action{padding:10px;white-space:nowrap;justify-content:center}.nav-label,.kbd-hint,.sidebar-user-info{display:none}.main{padding:20px}}@media (prefers-reduced-motion: reduce){*{transition:none!important}}