@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";:root,[data-theme=dark]{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-card: rgba(30, 30, 50, .8);--bg-hover: rgba(108, 99, 255, .12);--accent-primary: #6c63ff;--accent-secondary: #00d2ff;--accent-success: #00c853;--accent-warning: #ffd600;--accent-danger: #ff1744;--text-primary: #e8e8f0;--text-secondary: #9e9eb8;--border: rgba(255, 255, 255, .08);--shadow: 0 8px 32px rgba(0, 0, 0, .35);--sidebar-w: 260px;--header-h: 64px;--radius: 14px;--radius-sm: 10px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--bg-primary: #f4f5fb;--bg-secondary: #ffffff;--bg-card: rgba(255, 255, 255, .85);--bg-hover: rgba(108, 99, 255, .08);--text-primary: #1a1a2e;--text-secondary: #6b6b85;--border: rgba(26, 26, 46, .1);--shadow: 0 8px 32px rgba(26, 26, 46, .08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100%}body{font-family:Inter,system-ui,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}img{max-width:100%;display:block}.app-shell{display:flex;min-height:100vh;background:radial-gradient(ellipse 80% 50% at 10% -10%,rgba(108,99,255,.18),transparent),radial-gradient(ellipse 60% 40% at 100% 0%,rgba(0,210,255,.1),transparent),var(--bg-primary)}.sidebar{width:var(--sidebar-w);flex-shrink:0;background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:40;transition:var(--transition)}.sidebar.collapsed{width:78px}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:20px 18px;border-bottom:1px solid var(--border)}.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));display:grid;place-items:center;font-weight:800;color:#fff;flex-shrink:0}.brand-text h1{font-size:15px;font-weight:700}.brand-text p{font-size:11px;color:var(--text-secondary)}.sidebar-nav{padding:14px 10px;display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 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fadeSlide{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page-title{font-size:24px;font-weight:750;letter-spacing:-.02em;margin-bottom:4px}.page-sub{color:var(--text-secondary);font-size:14px;margin-bottom:22px}.card{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;transition:var(--transition)}.card:hover{border-color:#6c63ff40}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.stat-card{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.stat-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex-shrink:0}.stat-label{font-size:12px;color:var(--text-secondary);margin-bottom:4px}.stat-value{font-size:24px;font-weight:750;letter-spacing:-.02em}.stat-trend{font-size:12px;margin-top:6px}.grid-2{display:grid;grid-template-columns:1.4fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:var(--radius-sm);font-weight:600;font-size:14px;transition:var(--transition);border:1px solid transparent}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{background:linear-gradient(135deg,var(--accent-primary),#5a52e0);color:#fff}.btn-primary:hover{box-shadow:0 8px 24px #6c63ff59}.btn-secondary{background:var(--bg-secondary);border-color:var(--border);color:var(--text-primary)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary)}.btn-danger{background:#ff174426;color:var(--accent-danger);border-color:#ff174440}.btn-sm{padding:7px 12px;font-size:13px}.btn-icon{width:38px;height:38px;padding:0;border-radius:10px;display:grid;place-items:center;color:var(--text-secondary);border:1px solid var(--border);background:var(--bg-secondary);transition:var(--transition)}.btn-icon:hover{color:var(--text-primary);border-color:#6c63ff66}.form-group{margin-bottom:14px}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input,.form-select,.form-textarea{width:100%;padding:11px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-secondary);outline:none;transition:var(--transition)}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #6c63ff33}.form-textarea{min-height:100px;resize:vertical}.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:16px}.toolbar-left,.toolbar-right{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.search-input{min-width:220px}.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}table.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th,.data-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}.data-table th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);font-weight:600;background:#00000026;cursor:pointer;-webkit-user-select:none;user-select:none}[data-theme=light] .data-table th{background:#6c63ff0a}.data-table tbody tr{transition:var(--transition)}.data-table tbody tr:hover{background:var(--bg-hover)}.data-table td.actions{display:flex;gap:6px}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge-success{background:#00c85326;color:var(--accent-success)}.badge-warning{background:#ffd60026;color:#e6c200}.badge-danger{background:#ff174426;color:var(--accent-danger)}.badge-info{background:#00d2ff26;color:var(--accent-secondary)}.badge-purple{background:#6c63ff2e;color:#a29bff}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#080810a6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:grid;place-items:center;z-index:100;padding:20px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{width:min(520px,100%);background:var(--bg-secondary);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);animation:fadeSlide .25s ease}.modal-lg{width:min(720px,100%)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border)}.modal-header h3{font-size:17px;font-weight:700}.modal-body{padding:20px;max-height:70vh;overflow-y:auto}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px 18px;border-top:1px solid var(--border)}.toast-container{position:fixed;top:18px;right:18px;z-index:200;display:flex;flex-direction:column;gap:10px}.toast{min-width:260px;max-width:360px;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:var(--bg-secondary);box-shadow:var(--shadow);display:flex;align-items:flex-start;gap:10px;animation:fadeSlide .25s ease;font-size:14px}.toast.success{border-color:#00c85359}.toast.error{border-color:#ff174459}.toast.info{border-color:#00d2ff59}.empty-state,.loading-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:48px 20px;color:var(--text-secondary);text-align:center}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s 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32px;border-radius:22px;background:#1a1a2ebf;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.1);box-shadow:0 24px 64px #00000073}.login-card h1{font-size:26px;font-weight:800;margin:14px 0 6px}.login-card .sub{color:var(--text-secondary);margin-bottom:26px;font-size:14px}.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));display:grid;place-items:center;font-weight:700;font-size:13px;color:#fff}.student-avatar{border-radius:50%;object-fit:cover;flex-shrink:0;border:2px solid var(--border);background:var(--bg-secondary, #1a1f2e)}.student-avatar--fallback{display:grid;place-items:center;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));letter-spacing:.02em}.avatar-upload-row{display:flex;align-items:center;gap:16px;margin-bottom:16px;padding:12px;border-radius:12px;background:var(--bg-secondary, rgba(255, 255, 255, .04));border:1px solid var(--border)}.oral-spin-card{min-height:280px;display:flex;flex-direction:column}.oral-spin-result{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;padding:16px;text-align:center}.oral-spin-card.is-spinning .student-avatar{animation:oralPulse .45s ease-in-out infinite alternate}.oral-spin-card.is-spinning .oral-spin-result h2{animation:oralNameFlash .45s ease-in-out infinite alternate}@keyframes oralPulse{0%{transform:scale(.92);filter:brightness(.85)}to{transform:scale(1.08);filter:brightness(1.2)}}@keyframes oralNameFlash{0%{opacity:.72;letter-spacing:0}to{opacity:1;letter-spacing:.02em}}.oral-picked-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px;padding-top:12px;border-top:1px solid var(--border)}.oral-picked-chip{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:10px;border:1px solid var(--border);background:var(--bg-secondary, rgba(255, 255, 255, .04));color:inherit;cursor:pointer;text-align:left;transition:border-color .15s,box-shadow .15s}.oral-picked-chip:hover{border-color:var(--accent-primary)}.oral-picked-chip.active{border-color:var(--accent-primary);box-shadow:0 0 0 2px #6c63ff40}.oral-picked-num{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;background:var(--accent-primary);color:#fff;flex-shrink:0}.oral-picked-name{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-meta{display:flex;flex-direction:column;line-height:1.2}.user-meta strong{font-size:13px}.user-meta span{font-size:11px;color:var(--text-secondary)}.att-status{display:flex;gap:6px;flex-wrap:wrap}.att-btn{padding:6px 10px;border-radius:8px;font-size:12px;font-weight:600;border:1px solid var(--border);color:var(--text-secondary);transition:var(--transition)}.att-btn.active.present{background:#00c85333;color:var(--accent-success);border-color:#00c85366}.att-btn.active.late{background:#ffd60033;color:#e6c200;border-color:#ffd60066}.att-btn.active.absent_excused{background:#00d2ff33;color:var(--accent-secondary);border-color:#00d2ff66}.att-btn.active.absent_unexcused{background:#ff174433;color:var(--accent-danger);border-color:#ff174466}.att-btn.active.on_leave{background:#00d2ff33;color:var(--accent-secondary);border-color:#00d2ff66}.att-btn.active.absent{background:#ff174433;color:var(--accent-danger);border-color:#ff174466}.chart-box{height:260px;width:100%}.section-title{font-size:15px;font-weight:700;margin-bottom:14px}.list-item{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px solid var(--border);font-size:13px}.list-item:last-child{border-bottom:none}.quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.quick-btn{padding:14px;border-radius:12px;border:1px solid var(--border);background:var(--bg-secondary);text-align:left;transition:var(--transition);display:flex;flex-direction:column;gap:6px}.quick-btn:hover{border-color:#6c63ff66;background:var(--bg-hover);transform:translateY(-2px)}.quick-btn strong{font-size:13px}.quick-btn span{font-size:11px;color:var(--text-secondary)}.pagination{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:12px 14px}.mobile-nav,.menu-btn,.sidebar-overlay{display:none}@media (max-width: 1100px){.stats-grid{grid-template-columns:repeat(2,1fr)}.grid-2,.grid-3{grid-template-columns:1fr}}@media (max-width: 860px){.menu-btn{display:grid!important}.user-meta{display:none}.sidebar{display:flex;position:fixed;left:0;top:0;bottom:0;z-index:60;transform:translate(-105%);width:min(280px,86vw);box-shadow:var(--shadow)}.sidebar.mobile-open{transform:translate(0)}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0808108c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:55;animation:fadeIn .2s ease}.page{padding:16px 16px 88px}.header{padding:0 14px}.stats-grid{grid-template-columns:1fr 1fr;gap:10px}.stat-value{font-size:18px}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:50;background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border);padding:8px 6px calc(8px + env(safe-area-inset-bottom));justify-content:space-around}.mobile-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10px;color:var(--text-secondary);padding:6px 8px;border-radius:10px;transition:var(--transition)}.mobile-nav a.active{color:var(--accent-primary);background:var(--bg-hover)}.toolbar{flex-direction:column;align-items:stretch}.toolbar-left,.toolbar-right{width:100%}.search-input{min-width:0;flex:1}}@media (max-width: 520px){.stats-grid{grid-template-columns:1fr}}.nav-item{position:relative}.nav-item.active:before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:0 4px 4px 0;background:linear-gradient(var(--accent-primary),var(--accent-secondary))}.btn-primary:disabled,.btn:disabled{opacity:.55;cursor:not-allowed;transform:none!important;box-shadow:none!important}.table-wrap{animation:fadeSlide .3s ease}[data-theme=light] .login-page{background:#eef0fb}[data-theme=light] .login-card{background:#ffffffeb;color:var(--text-primary)}