@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";:root{--bg-color:#f5f7fb;--surface-color:#fff;--surface-muted:#f8fafc;--control-color:#fff;--soft-panel:#ffffffb8;--image-bg:#eef2f7;--sidebar-color:#102033;--primary-color:#2563eb;--primary-hover:#1d4ed8;--accent-color:#0f766e;--text-primary:#172033;--text-secondary:#64748b;--text-muted:#94a3b8;--success-color:#059669;--warning-color:#d97706;--danger-color:#dc2626;--border-color:#dfe6ef;--shadow-sm:0 1px 2px #0f172a0f;--shadow-md:0 12px 32px #0f172a1a;--card-bg:var(--surface-color)}[data-theme=dark]{--bg-color:#0b1120;--surface-color:#111827;--surface-muted:#172033;--control-color:#0f172a;--soft-panel:#111827c7;--image-bg:#0f172a;--sidebar-color:#070d18;--primary-color:#60a5fa;--primary-hover:#3b82f6;--accent-color:#2dd4bf;--text-primary:#f8fafc;--text-secondary:#a7b4c8;--text-muted:#718096;--success-color:#34d399;--warning-color:#fbbf24;--danger-color:#f87171;--border-color:#263449;--shadow-sm:0 1px 2px #00000047;--shadow-md:0 18px 44px #00000052;--card-bg:var(--surface-color)}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{background-color:var(--bg-color);min-height:100vh;color:var(--text-primary);background-image:linear-gradient(#2563eb14,#0000 260px),linear-gradient(90deg,#0f766e0f,#0000 45%);background-attachment:fixed}[data-theme=dark] body{background-image:linear-gradient(#60a5fa24,#0000 280px),linear-gradient(110deg,#2dd4bf1a,#0000 48%)}a{color:inherit}button,input,select,textarea{font:inherit}.glass-panel{background:var(--surface-color);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:8px}.page-kicker{color:var(--accent-color);letter-spacing:.5px;text-transform:uppercase;margin-bottom:8px;font-size:13px;font-weight:800}.btn,.btn-primary,.btn-secondary,.btn-danger,.btn-success,.btn-primary-small{background:var(--control-color);min-height:40px;color:var(--text-primary);box-shadow:var(--shadow-sm);cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-size:14px;font-weight:700;transition:background .2s,border-color .2s,box-shadow .2s,transform .2s;display:inline-flex}.btn:hover,.btn-primary:hover,.btn-secondary:hover,.btn-danger:hover,.btn-success:hover,.btn-primary-small:hover{border-color:#cbd5e1;transform:translateY(-1px)}.btn:disabled,.btn-primary:disabled,.btn-secondary:disabled,.btn-danger:disabled,.btn-success:disabled,.btn-primary-small:disabled{cursor:not-allowed;opacity:.65;transform:none}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);box-shadow:0 8px 18px #2563eb3d}.btn-primary-small{background:var(--primary-color);color:#fff;min-height:32px;padding:6px 12px;font-size:13px}.btn-primary-small:hover{background:var(--primary-hover);border-color:var(--primary-hover);box-shadow:0 4px 10px #2563eb3d}.btn-secondary{background:var(--surface-muted);color:var(--text-primary);border:1px solid var(--border-color)}.btn-success{background:var(--success-color);color:#fff}.btn-success:hover{border-color:var(--success-color);box-shadow:0 8px 18px #05966933}.btn-danger{background:var(--danger-color);color:#fff}.btn-danger:hover{border-color:var(--danger-color);box-shadow:0 8px 18px #dc262633}input,select,textarea{border:1px solid var(--border-color);background:var(--control-color);width:100%;color:var(--text-primary);resize:vertical;border-radius:8px;outline:none;padding:12px 16px;transition:border-color .2s,box-shadow .2s}input:focus,select:focus,textarea:focus{border-color:var(--primary-color);box-shadow:0 0 0 4px #2563eb1f}.loading{min-height:240px;color:var(--text-secondary);place-items:center;font-weight:700;display:grid}.empty-state{text-align:center;padding:44px 24px}.empty-state h3{margin-bottom:8px}.empty-state p{color:var(--text-secondary)}.status-badge{letter-spacing:0;text-transform:uppercase;white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;min-height:24px;padding:4px 10px;font-size:11px;font-weight:800;display:inline-flex}.status-pending{background:color-mix(in srgb, var(--warning-color) 14%, transparent);border:1px solid color-mix(in srgb, var(--warning-color) 28%, transparent);color:var(--warning-color)}.status-approved,.status-active{background:color-mix(in srgb, var(--success-color) 14%, transparent);border:1px solid color-mix(in srgb, var(--success-color) 28%, transparent);color:var(--success-color)}.status-rejected,.status-inactive{background:color-mix(in srgb, var(--danger-color) 14%, transparent);border:1px solid color-mix(in srgb, var(--danger-color) 28%, transparent);color:var(--danger-color)}.status-suspended,.status-blocked{background:color-mix(in srgb, var(--danger-color) 18%, transparent);border:1px solid color-mix(in srgb, var(--danger-color) 36%, transparent);color:var(--danger-color)}.global-actions-panel{z-index:2500;align-items:center;gap:10px;display:flex;position:fixed;top:18px;right:18px}.action-btn{border:1px solid var(--border-color);background:var(--soft-panel);min-height:40px;box-shadow:var(--shadow-md);color:var(--text-primary);cursor:pointer;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-radius:999px;justify-content:center;align-items:center;gap:9px;padding:8px 18px;font-size:13px;font-weight:800;transition:all .25s cubic-bezier(.4,0,.2,1);display:inline-flex}.action-btn:hover{background:var(--surface-color);border-color:var(--primary-color);transform:translateY(-1.5px);box-shadow:0 8px 20px #2563eb26}.action-btn.theme-btn{padding:7px 14px 7px 8px}.theme-toggle-track{background:color-mix(in srgb, var(--primary-color) 24%, var(--surface-muted));border-radius:999px;width:42px;height:24px;display:block;position:relative}.theme-toggle-thumb{background:var(--primary-color);border-radius:50%;width:18px;height:18px;transition:transform .2s;position:absolute;top:3px;left:3px;box-shadow:0 4px 10px #0f172a33}[data-theme=dark] .theme-toggle-thumb{transform:translate(18px)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.5s forwards fadeIn}@media (width<=760px){.btn{min-height:38px;padding:9px 12px}}@media (width<=860px){.global-actions-panel{z-index:3000;top:auto;bottom:20px;right:20px}}.login-container{grid-template-columns:minmax(280px,520px) minmax(320px,430px);justify-content:center;align-items:center;gap:48px;min-height:100vh;padding:82px 24px 48px;display:grid;position:relative;overflow:hidden}.login-container:before,.login-container:after{content:"";pointer-events:none;position:absolute}.login-container:before{background:linear-gradient(135deg, color-mix(in srgb, var(--primary-color) 10%, transparent), transparent 46%), linear-gradient(315deg, color-mix(in srgb, var(--accent-color) 12%, transparent), transparent 42%);inset:0}.login-container:after{border:1px solid color-mix(in srgb, var(--primary-color) 22%, transparent);background:color-mix(in srgb, var(--primary-color) 7%, transparent);border-radius:50%;width:360px;height:360px;bottom:-130px;right:-110px}.login-container>*{z-index:1;position:relative}.login-hero{max-width:520px}.brand-mark{background:linear-gradient(135deg, var(--primary-color), var(--accent-color));color:#fff;border-radius:16px;place-items:center;width:64px;height:64px;margin-bottom:28px;font-size:21px;font-weight:800;display:grid;box-shadow:0 18px 36px #2563eb38}.login-hero h1{max-width:480px;color:var(--text-primary);margin-bottom:14px;font-size:clamp(38px,7vw,64px);font-weight:800;line-height:1}.login-hero p{max-width:460px;color:var(--text-secondary);font-size:17px;line-height:1.7}.login-highlights{flex-wrap:wrap;gap:10px;margin-top:28px;display:flex}.login-highlights span{border:1px solid var(--border-color);background:var(--soft-panel);color:var(--text-secondary);border-radius:999px;padding:8px 12px;font-size:13px;font-weight:700}.login-preview{background:var(--soft-panel);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);width:min(100%,440px);margin-top:34px;padding:18px}.preview-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px;display:flex}.preview-header span,.preview-metrics span{color:var(--text-secondary);text-transform:uppercase;margin-bottom:4px;font-size:12px;font-weight:800;display:block}.preview-header strong{font-size:18px;font-weight:800}.preview-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.preview-metrics div{border:1px solid var(--border-color);background:var(--surface-color);border-radius:8px;padding:14px}.preview-metrics strong{font-size:24px;font-weight:800}.preview-list{gap:9px;margin-top:16px;display:grid}.preview-list span{background:linear-gradient(90deg, color-mix(in srgb, var(--primary-color) 34%, transparent), transparent);border-radius:999px;height:10px;display:block}.preview-list span:nth-child(2){width:78%}.preview-list span:nth-child(3){width:58%}.login-panel-wrap{position:relative}.login-orbit{border:1px solid color-mix(in srgb, var(--primary-color) 24%, transparent);background:color-mix(in srgb, var(--surface-color) 72%, transparent);box-shadow:var(--shadow-md);border-radius:24px;position:absolute}.orbit-one{width:92px;height:92px;top:-24px;right:-22px}.orbit-two{width:66px;height:66px;bottom:-26px;left:-28px}.login-box{z-index:1;width:100%;max-width:430px;box-shadow:var(--shadow-md);background:linear-gradient(180deg, color-mix(in srgb, var(--surface-color) 94%, var(--primary-color)), var(--surface-color));padding:34px;position:relative}.login-header{margin-bottom:28px}.login-header h2{color:var(--text-primary);margin-bottom:8px;font-size:26px;font-weight:800}.login-header p{color:var(--text-secondary);font-size:14px}.input-group{margin-bottom:20px}.input-group 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.1s both loginFadeUp}.login-highlights{animation:.8s cubic-bezier(.16,1,.3,1) .2s both loginFadeUp}.login-preview{animation:.8s cubic-bezier(.16,1,.3,1) .3s both loginFadeUp}.login-box{animation:.8s cubic-bezier(.16,1,.3,1) .15s both loginFadeRight}@keyframes loginFadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes loginFadeRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}.preview-metrics div{transition:transform .3s cubic-bezier(.16,1,.3,1),border-color .3s,box-shadow .3s}.preview-metrics div:hover{border-color:var(--primary-color);transform:translateY(-4px);box-shadow:0 10px 24px #2563eb1f}.header-actions{margin-bottom:30px}.header-actions h1{color:var(--text-primary);letter-spacing:-.5px;margin-bottom:8px;font-size:34px;font-weight:800}.header-actions p{color:var(--text-secondary);font-size:15px}.analytics-filters-bar{background:var(--soft-panel);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-radius:16px;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:30px;padding:18px 24px;display:grid}.filter-group{flex-direction:column;gap:8px;display:flex}.filter-group label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:800}.filter-group select{border:1px solid var(--border-color);background:var(--surface-color);width:100%;color:var(--text-primary);cursor:pointer;border-radius:8px;outline:none;padding:10px 14px;font-size:13px;font-weight:700;transition:border-color .2s,box-shadow .2s}.filter-group select:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.summary-card{background:var(--surface-color);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:16px;padding:24px;transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow 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span{display:none}.sidebar-nav{scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;flex-direction:row;padding:0;overflow-x:auto}.sidebar-nav::-webkit-scrollbar{display:none}.sidebar-footer{border-top:none;margin-left:auto;padding:0}.logout-btn{width:auto}}@media (width<=560px){.sidebar{flex-wrap:wrap;gap:12px 8px}.sidebar-nav{order:3;gap:6px;width:100%;padding:4px 0 0}}.app-layout{min-height:100vh;transition:all .3s;display:flex;position:relative}.main-content{flex-grow:1;min-height:100vh;margin-left:264px;transition:margin-left .3s}@media (width<=860px){.app-layout{display:block}.main-content,.app-layout.sidebar-closed .main-content{margin-left:0}.toggle-sidebar-btn{display:none}}.app-layout{background:var(--bg-color);min-height:100vh;transition:all .3s;display:flex;position:relative}.main-content{box-sizing:border-box;flex-grow:1;min-height:100vh;margin-left:264px;padding:2rem;transition:margin-left .3s}.app-layout.sidebar-closed 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(width<=420px){.users-summary{grid-template-columns:1fr}}.expiry-text{color:var(--text-muted);white-space:nowrap;margin-top:2px;font-size:11px;font-weight:600}.users-header-actions{align-items:center;gap:16px;width:min(100%,540px);display:flex}.users-header-actions .users-search{flex:1}.view-toggle-btn{white-space:nowrap;height:44px}.users-table-wrapper{border:1px solid var(--border-color);background:var(--surface-color);box-shadow:var(--shadow-sm);border-radius:16px;overflow-x:auto}.users-table{border-collapse:collapse;text-align:left;width:100%;font-size:14px}.users-table th{background:var(--surface-muted);color:var(--text-secondary);border-bottom:1px solid var(--border-color);text-transform:uppercase;letter-spacing:.5px;padding:16px 20px;font-size:11px;font-weight:800}.users-table td{border-bottom:1px solid var(--border-color);color:var(--text-primary);vertical-align:middle;padding:14px 20px}.table-row-clickable{cursor:pointer;transition:background-color .2s}.table-row-clickable:hover{background-color:var(--surface-muted)}.table-row-clickable:last-child td{border-bottom:none}.user-avatar-small{background:linear-gradient(135deg, var(--primary-color), var(--accent-color));color:#fff;border-radius:8px;justify-content:center;align-items:center;width:34px;height:34px;font-size:14px;font-weight:800;display:flex}.table-user-name strong{color:var(--text-primary);font-size:15px;font-weight:800}.table-contact-info,.table-school-info{flex-direction:column;gap:2px;display:flex}.table-contact-info .subtext,.table-school-info .subtext{color:var(--text-muted);font-size:12px}.table-status-group{flex-wrap:wrap;gap:6px;display:flex}.btn-sm{min-height:30px!important;padding:4px 10px!important;font-size:12px!important}@media (width<=820px){.users-header-actions{flex-direction:column;align-items:stretch;width:100%;margin-top:16px}}.user-detail-page{width:min(100%,1120px);margin:0 auto;padding:38px 32px 56px}.back-nav{margin-bottom:20px}.profile-header{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:22px;margin-bottom:22px;padding:26px;display:grid}.profile-avatar{background:linear-gradient(135deg, var(--primary-color), var(--accent-color));color:#fff;border-radius:18px;place-items:center;width:76px;height:76px;font-size:30px;font-weight:800;display:grid}.profile-info{min-width:0}.profile-info h1{text-overflow:ellipsis;white-space:nowrap;margin:0 0 8px;font-size:30px;font-weight:800;overflow:hidden}.profile-info .email,.profile-info .school{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;margin:0;overflow:hidden}.profile-info .school{color:var(--text-muted);margin-top:5px}.profile-status{text-align:right;flex-direction:column;align-items:flex-end;gap:10px;display:flex}.profile-status .expiry{color:var(--text-secondary);margin:0;font-size:12px;font-weight:700}.control-grid{grid-template-columns:minmax(0,1.45fr) minmax(320px,.75fr);gap:20px;margin-bottom:20px;display:grid}.admin-panel{padding:20px}.edit-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.edit-grid.single{grid-template-columns:1fr}.edit-grid label{flex-direction:column;gap:8px;min-width:0;display:flex}.edit-grid label>span{color:var(--text-secondary);font-size:13px;font-weight:800}.field-wide{grid-column:1/-1}.quick-actions{grid-template-columns:1fr;gap:10px;margin-top:16px;display:grid}.save-bar{z-index:20;background:var(--soft-panel);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);justify-content:space-between;align-items:center;gap:18px;margin-bottom:22px;padding:16px 18px;display:flex;position:sticky;top:18px}.save-bar strong{margin-bottom:3px;font-size:15px;font-weight:800;display:block}.save-bar p{color:var(--text-secondary);margin:0;font-size:13px}.save-actions{justify-content:flex-end;align-items:center;gap:12px;display:flex}.save-success,.save-error{white-space:nowrap;font-size:13px;font-weight:800}.save-success{color:var(--success-color)}.save-error{color:var(--danger-color)}.stats-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:22px;display:grid}.stat-card{padding:20px}.stat-card span{color:var(--text-secondary);margin-bottom:10px;font-size:13px;font-weight:700;display:block}.stat-card strong{font-size:32px;font-weight:800}.stat-card .code-value{overflow-wrap:anywhere;font-size:20px;display:block}.data-sections{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.data-section{padding:20px}.subscriptions-section{grid-column:1/-1}.section-title{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;padding-bottom:14px;display:flex}.section-title h2{font-size:18px;font-weight:800}.section-title span{background:var(--surface-muted);min-width:30px;height:30px;color:var(--text-secondary);border-radius:999px;place-items:center;font-size:13px;font-weight:800;display:grid}.data-list{max-height:430px;margin:0;padding:0;list-style:none;overflow-y:auto}.data-list li{border-bottom:1px solid var(--border-color);flex-direction:column;gap:5px;padding:12px 0;display:flex}.data-list li:last-child{border-bottom:none}.data-list strong{color:var(--text-primary);font-weight:800}.data-list .subtitle{color:var(--text-secondary);font-size:13px}.dropdown-details{background:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;overflow:hidden}.dropdown-summary{color:var(--primary-color);background:var(--surface-muted);cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:14px 16px;font-weight:700;list-style:none;display:flex}.dropdown-summary::-webkit-details-marker{display:none}.dropdown-summary:after{content:"▼";font-size:12px;transition:transform .2s}.dropdown-details[open] .dropdown-summary:after{transform:rotate(180deg)}.dropdown-details .data-list{border-top:1px solid var(--border-color);padding:0 16px}.empty-text{color:var(--text-secondary);font-style:italic}.detail-subscriptions{grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr));gap:14px;display:grid}.subscription-item{border:1px solid var(--border-color);background:var(--surface-color);border-radius:8px;overflow:hidden}.subscription-item>div{justify-content:space-between;align-items:center;gap:12px;padding:12px;display:flex}.subscription-item strong{color:var(--text-secondary);font-size:13px}.thumb-button{border:0;border-top:1px solid var(--border-color);background:var(--image-bg);width:100%;height:160px;color:var(--text-secondary);cursor:pointer;justify-content:center;align-items:center;display:flex;overflow:hidden}.thumb-button img{object-fit:cover;width:100%;height:100%;transition:transform .2s}.thumb-button:hover img{transform:scale(1.04)}@media (width<=820px){.user-detail-page{padding:28px 16px 44px}.profile-header,.control-grid,.data-sections{grid-template-columns:1fr}.stats-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.edit-grid{grid-template-columns:1fr}.save-bar{display:block;position:static}.save-actions{flex-direction:column;align-items:stretch;gap:10px;margin-top:14px}.save-actions button{width:100%}.profile-status{text-align:left;align-items:flex-start}.profile-info h1,.profile-info .email,.profile-info .school{white-space:normal}}@media (width<=480px){.stats-row{grid-template-columns:1fr}}.class-filter-container{flex-direction:column;gap:6px;margin-bottom:16px;display:flex}.class-filter-select{border:1px solid var(--border-color);background:var(--surface-muted);color:var(--text-primary);cursor:pointer;border-radius:8px;outline:none;padding:10px 14px;font-size:14px;font-weight:600;transition:border-color .2s,box-shadow .2s}.class-filter-select:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f626}.clickable-class-item{cursor:pointer;border-left:4px solid #0000;border-radius:6px;margin:2px 0;transition:background-color .2s,border-left-color .2s,transform .2s;padding:10px 12px!important}.clickable-class-item:hover{background-color:var(--surface-muted);transform:translate(4px)}.clickable-class-item.active{border-left-color:var(--primary-color);background-color:#3b82f61a}.profile-page{max-width:800px}.profile-card{margin-top:1.5rem;padding:2rem}.profile-form .form-group{flex-direction:column;gap:.5rem;margin-bottom:1.5rem;display:flex}.profile-form label{color:var(--text-color);font-weight:500}.profile-form input[type=text]{border:1px solid var(--border-color);background:var(--input-bg,#ffffff0d);color:var(--text-color);border-radius:8px;padding:.75rem 1rem;font-family:inherit;font-size:1rem;transition:border-color .2s,box-shadow .2s}.profile-form input[type=text]:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #3b82f633}.profile-form input[type=file]{color:var(--text-muted);font-family:inherit}.file-selected{color:var(--primary-color);margin-top:.25rem;font-size:.875rem}.current-qr-preview{background:var(--card-bg-hover);text-align:center;border-radius:12px;margin:1.5rem 0;padding:1.5rem}.current-qr-preview h3{color:var(--text-muted);margin-top:0;margin-bottom:1rem;font-size:1rem}.qr-image{object-fit:contain;border-radius:8px;max-width:250px;max-height:250px;box-shadow:0 4px 6px -1px #0000001a}.form-actions{justify-content:flex-end;margin-top:2rem;display:flex}.alert{border-radius:8px;margin-bottom:1.5rem;padding:1rem;font-size:.95rem}.alert-success{color:#10b981;background-color:#10b9811a;border:1px solid #10b98133}.alert-error{color:#ef4444;background-color:#ef44441a;border:1px solid #ef444433}.progress-bar-container{background-color:var(--border-color);border-radius:4px;height:6px;margin:1rem 0;overflow:hidden}.progress-bar{background-color:var(--primary-color);height:100%;transition:width .3s}.tabs-container{gap:1rem;margin-top:1.5rem;margin-bottom:.5rem;display:flex}.tab-btn{background:var(--input-bg,#ffffff0d);color:var(--text-muted);border:1px solid var(--border-color);cursor:pointer;border-radius:8px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;transition:all .2s;display:flex}.tab-btn:hover{background:var(--card-bg-hover);color:var(--text-color);border-color:var(--primary-color)}.tab-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:0 4px 12px #3b82f64d}.form-grid{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.form-grid .form-group.full-width{grid-column:span 2}.profile-form textarea{border:1px solid var(--border-color);background:var(--input-bg,#ffffff0d);color:var(--text-color);resize:vertical;border-radius:8px;padding:.75rem 1rem;font-family:inherit;font-size:1rem;transition:border-color .2s,box-shadow .2s}.profile-form textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #3b82f633}@media (width<=600px){.form-grid{grid-template-columns:1fr}.form-grid .form-group.full-width{grid-column:span 1}}.landing-container{flex-direction:column;min-height:100vh;padding:40px;display:flex}.landing-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;margin-bottom:60px;display:flex}@media (width>=861px){.landing-header{padding-right:140px}}.brand-header{align-items:center;gap:16px;display:flex}.brand-logo{background:var(--primary-color);color:#fff;border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;font-size:20px;font-weight:800;display:flex;box-shadow:0 8px 20px #2563eb40}.brand-header h1{color:var(--text-primary);font-size:22px;font-weight:800;line-height:1.1}.brand-header p{color:var(--text-secondary);font-size:13px}.lang-toggle-btn{border:1px solid var(--border-color);background:var(--surface-color);min-height:38px;color:var(--text-primary);cursor:pointer;box-shadow:var(--shadow-sm);border-radius:20px;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:700;transition:all .2s;display:inline-flex}.lang-toggle-btn:hover{background:var(--surface-muted);border-color:var(--primary-color);transform:translateY(-1px)}.landing-main{flex:1;grid-template-columns:1.2fr 1fr;align-items:center;gap:80px;width:100%;max-width:1200px;margin:0 auto;padding-bottom:60px;display:grid}.product-showcase{flex-direction:column;gap:24px;display:flex}.product-showcase .badge{background:color-mix(in srgb, var(--primary-color) 12%, transparent);border:1px solid color-mix(in srgb, var(--primary-color) 24%, transparent);color:var(--primary-color);letter-spacing:.5px;border-radius:99px;align-self:flex-start;padding:6px 12px;font-size:11px;font-weight:800;display:inline-flex}.product-showcase h2{background:linear-gradient(135deg, var(--primary-color), var(--accent-color));-webkit-text-fill-color:transparent;letter-spacing:-1.5px;-webkit-background-clip:text;font-size:44px;font-weight:800;line-height:1.15}.product-showcase .description{color:var(--text-secondary);font-size:16px;line-height:1.6}.showcase-features{flex-direction:column;gap:20px;margin-top:10px;display:flex}.feature-item{gap:16px;display:flex}.feature-icon{background:var(--surface-muted);border:1px solid var(--border-color);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:20px;display:flex}.feature-item h3{color:var(--text-primary);margin-bottom:4px;font-size:15px;font-weight:700}.feature-item p{color:var(--text-secondary);font-size:13px;line-height:1.5}.auth-card-wrap{justify-content:center;align-items:center;display:flex;position:relative}.auth-card{background:var(--soft-panel);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:24px;width:100%;max-width:500px;padding:48px 40px;box-shadow:0 20px 40px #0000001a}.auth-tabs{background:var(--surface-muted);border:1px solid var(--border-color);border-radius:12px;grid-template-columns:1fr 1fr;margin-bottom:32px;padding:6px;display:grid}.auth-tab{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:12px;font-size:16px;font-weight:700;transition:all .2s}.auth-tab.active{background:var(--surface-color);color:var(--primary-color);box-shadow:var(--shadow-sm)}.auth-form{flex-direction:column;gap:20px;width:100%;display:flex}.auth-form-header{text-align:center;margin-bottom:12px}.auth-form-header h3{color:var(--text-primary);margin-bottom:8px;font-size:24px;font-weight:800}.auth-form-header p{color:var(--text-secondary);font-size:15px}.input-group{flex-direction:column;gap:8px;width:100%;display:flex}.input-group label{color:var(--text-secondary);text-align:left;margin-bottom:4px;font-size:14px;font-weight:700}.input-group input{box-sizing:border-box;border:1px solid var(--border-color);background:var(--surface-color);width:100%;color:var(--text-primary);border-radius:10px;padding:14px 16px;font-size:15px;transition:all .2s}.input-group input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #2563eb1a}.auth-submit-btn{border-radius:10px;width:100%;margin-top:16px;padding:14px;font-size:16px}.error-message{color:var(--danger-color);background:#dc26261a;border:1px solid #dc262633;border-radius:8px;margin-bottom:16px;padding:12px 16px;font-size:13px;font-weight:600}.success-message{color:var(--success-color);background:#0596691a;border:1px solid #05966933;border-radius:8px;margin-bottom:16px;padding:12px 16px;font-size:13px;font-weight:600}.how-it-works-section{flex-direction:column;gap:40px;width:100%;max-width:1200px;margin:80px auto;display:flex}.section-header{text-align:center;flex-direction:column;gap:12px;max-width:600px;margin:0 auto;display:flex}.section-header h2{letter-spacing:-.5px;color:var(--text-primary);font-size:32px;font-weight:800}.section-header p{color:var(--text-secondary);font-size:15px;line-height:1.5}.interactive-walkthrough{grid-template-columns:1fr 1.2fr;align-items:center;gap:60px;display:grid}.walkthrough-steps{flex-direction:column;gap:16px;display:flex}.step-card{text-align:left;border:1px solid var(--border-color);background:var(--surface-color);cursor:pointer;border-radius:12px;flex-direction:column;padding:18px 24px;transition:all .3s;display:flex}.step-card h4{color:var(--text-primary);margin-bottom:6px;font-size:15px;font-weight:800}.step-card p{color:var(--text-secondary);font-size:13px;line-height:1.5}.step-card:hover{border-color:var(--primary-color);transform:translate(4px)}.step-card.active{background:var(--primary-color);border-color:var(--primary-color);box-shadow:0 10px 25px #2563eb33}.step-card.active h4,.step-card.active p{color:#fff}.walkthrough-display{background:var(--surface-muted);border:1px solid var(--border-color);border-radius:20px;justify-content:center;align-items:center;min-height:380px;padding:30px;display:flex}.step-mockup{border:1px solid var(--border-color);background:var(--surface-color);width:100%;max-width:360px;box-shadow:var(--shadow-md);border-radius:12px;overflow:hidden}.mock-window-header{background:var(--surface-muted);border-bottom:1px solid var(--border-color);align-items:center;gap:6px;padding:10px 16px;display:flex}.mock-window-header span{color:var(--text-muted);font-size:12px;line-height:1}.mock-window-title{color:var(--text-secondary);margin-left:auto;font-size:11px;font-weight:700}.mock-window-body{flex-direction:column;gap:14px;padding:20px;display:flex}.mock-class-badge{color:var(--primary-color);background:#2563eb1a;border-radius:99px;align-self:flex-start;padding:4px 10px;font-size:11px;font-weight:700;display:inline-flex}.mock-form-row{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding-bottom:12px;font-size:13px;display:flex}.mock-form-row span{color:var(--text-secondary)}.mock-sub-title{text-transform:uppercase;color:var(--text-muted);font-size:12px;font-weight:800}.mock-subjects-weights{flex-direction:column;gap:12px;display:flex}.mock-sub-row{align-items:center;gap:10px;font-size:12px;font-weight:600;display:flex}.mock-sub-row span:first-child{width:90px}.mock-slider{background:var(--surface-muted);border-radius:99px;flex:1;height:6px;overflow:hidden}.mock-slider-bar{background:var(--primary-color);border-radius:99px;height:100%;transition:width .8s}.slide-w-100{width:100%}.slide-w-90{width:90%}.mock-stats-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.mock-stat-box{background:var(--surface-muted);border:1px solid var(--border-color);text-align:center;border-radius:8px;padding:10px}.mock-stat-box span{color:var(--text-secondary);font-size:10px;display:block}.mock-stat-box 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h3{color:var(--text-primary);margin-bottom:6px;font-size:14px;font-weight:700}.redirect-explanation p{color:var(--text-secondary);font-size:13px;line-height:1.55}.redirect-steps h3{color:var(--text-primary);margin-bottom:12px;font-size:14px;font-weight:700}.steps-list{flex-direction:column;gap:16px;padding-left:0;list-style:none;display:flex}.steps-list li{padding-left:28px;position:relative}.steps-list li:before{content:"";background:var(--primary-color);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:10px;font-weight:800;display:flex;position:absolute;top:4px;left:0}.steps-list li:first-child:before{content:"1"}.steps-list li:nth-child(2):before{content:"2"}.steps-list li:nth-child(3):before{content:"3"}.steps-list strong{color:var(--text-primary);margin-bottom:2px;font-size:13px;font-weight:700;display:block}.steps-list p{color:var(--text-secondary);font-size:12px}.steps-list code{color:var(--primary-color);background:#2563eb1a;border-radius:4px;padding:2px 6px;font-size:11px;font-weight:600}.download-apk-btn{align-self:flex-start;margin-top:10px;padding:12px 24px;font-size:14px}.mobile-preview-container{justify-content:center;align-items:center;display:flex}.phone-wrapper{background:#0f172a;border:10px solid #1e293b;border-radius:36px;width:280px;height:540px;position:relative;overflow:hidden;box-shadow:0 24px 64px #0f172a40}.phone-notch{z-index:10;background:#1e293b;border-bottom-right-radius:12px;border-bottom-left-radius:12px;width:120px;height:20px;position:absolute;top:0;left:50%;transform:translate(-50%)}.phone-screen{color:#1e293b;background:#f8fafc;flex-direction:column;height:100%;padding-top:24px;font-family:system-ui,sans-serif;font-size:11px;display:flex}[data-theme=dark] .phone-screen{color:#f8fafc;background:#0f172a}.app-status-bar{color:#64748b;justify-content:space-between;padding:6px 16px;font-size:9px;font-weight:600;display:flex}.app-header-mock{color:#fff;background:linear-gradient(135deg,#1e3a8a,#3b82f6);border-bottom-right-radius:16px;border-bottom-left-radius:16px;padding:12px 16px}.app-header-mock span{opacity:.8;font-size:8px}.app-header-mock h3{margin-top:2px;font-size:13px;font-weight:700}.mock-card{background:#fff;border-radius:12px;margin:16px;padding:12px;box-shadow:0 4px 12px #0000000d}[data-theme=dark] .mock-card{background:#1e293b}.mock-class-card h4{margin-top:4px;font-size:12px;font-weight:700}.mock-class-card p{color:#64748b;margin-bottom:8px;font-size:9px}.card-badge{color:#3b82f6;text-transform:uppercase;background:#2563eb1a;border-radius:99px;padding:2px 6px;font-size:7px;font-weight:800;display:inline-block}.class-stats{border-top:1px solid #f1f5f9;grid-template-columns:1fr 1fr;padding-top:8px;display:grid}[data-theme=dark] .class-stats{border-top-color:#334155}.class-stats div{flex-direction:column;display:flex}.class-stats strong{font-size:11px}.class-stats span{color:#64748b;font-size:8px}.mock-section-title{color:#64748b;text-transform:uppercase;margin:0 16px 8px;font-size:10px;font-weight:700}.mock-modules-grid{flex:1;grid-template-columns:1fr 1fr;gap:8px;margin:0 16px;display:grid}.mock-module-item{text-align:center;background:#fff;border:1px solid #f1f5f9;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;padding:10px;display:flex;box-shadow:0 2px 6px #00000005}[data-theme=dark] .mock-module-item{background:#1e293b;border-color:#334155}.module-icon{margin-bottom:4px;font-size:16px}.mock-module-item span{font-size:8px;font-weight:600}.mock-bottom-nav{text-align:center;background:#fff;border-top:1px solid #f1f5f9;grid-template-columns:1fr 1fr 1fr;padding:10px 0;display:grid}[data-theme=dark] .mock-bottom-nav{background:#1e293b;border-top-color:#334155}.mock-bottom-nav span{color:#64748b;font-size:8px}.mock-bottom-nav .active-nav{color:#3b82f6;font-weight:700}.redirect-footer{border-top:1px solid var(--border-color);color:var(--text-muted);justify-content:center;align-items:center;margin-top:40px;padding-top:30px;font-size:12px;display:flex}@media (width<=900px){.redirect-content{grid-template-columns:1fr;gap:40px}.mobile-preview-container{display:none}}.app-dashboard{max-width:1200px;margin:0 auto;padding:30px}.dashboard-header{justify-content:space-between;align-items:flex-end;margin-bottom:30px;display:flex}.welcome-text h1{color:var(--text-primary);letter-spacing:-.5px;margin-bottom:8px;font-size:2rem}.welcome-text p{color:var(--text-secondary);font-size:1.1rem}.session-badge{background:color-mix(in srgb, var(--primary-color) 12%, transparent);color:var(--primary-color);border:1px solid color-mix(in srgb, var(--primary-color) 25%, transparent);border-radius:20px;align-items:center;gap:8px;padding:8px 16px;font-size:.9rem;font-weight:700;display:flex}.quick-stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:40px;display:grid}.stat-card{background:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:16px;align-items:center;gap:20px;padding:24px;transition:transform .2s,box-shadow .2s;display:flex}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}.stat-icon{border-radius:14px;justify-content:center;align-items:center;width:54px;height:54px;font-size:24px;display:flex}.stat-icon.students{color:#2563eb;background:#2563eb1a}.stat-icon.subjects{color:#0f766e;background:#0f766e1a}.stat-icon.attendance{color:#059669;background:#0596691a}.stat-icon.reports{color:#d97706;background:#d977061a}[data-theme=dark] .stat-icon.students{color:#60a5fa;background:#60a5fa26}[data-theme=dark] .stat-icon.subjects{color:#2dd4bf;background:#2dd4bf26}[data-theme=dark] .stat-icon.attendance{color:#34d399;background:#34d39926}[data-theme=dark] .stat-icon.reports{color:#fbbf24;background:#fbbf2426}.stat-details h3{color:var(--text-primary);margin-bottom:4px;font-size:2rem;font-weight:800;line-height:1.1}.stat-details p{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:.9rem;font-weight:600}.dashboard-sections{grid-template-columns:2fr 1fr;gap:30px;display:grid}.section-title{color:var(--text-primary);align-items:center;gap:10px;margin-bottom:20px;font-size:1.25rem;display:flex}.modules-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;display:grid}.module-card{background:var(--card-bg);border:1px solid var(--border-color);text-align:center;cursor:pointer;border-radius:16px;padding:24px;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.module-card:before{content:"";background:var(--primary-color);height:4px;transition:transform .3s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.module-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary-color);transform:translateY(-5px)}.module-card:hover:before{transform:scaleX(1)}.module-icon{margin-bottom:15px;font-size:3rem;display:inline-block}.module-card h4{color:var(--text-primary);margin-bottom:8px;font-size:1.1rem}.module-card p{color:var(--text-secondary);font-size:.85rem;line-height:1.4}.info-card{background:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:16px;padding:24px}.info-list{flex-direction:column;gap:16px;display:flex}.info-item{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding-bottom:16px;display:flex}.info-item:last-child{border-bottom:none;padding-bottom:0}.info-label{color:var(--text-secondary);font-size:.9rem}.info-value{color:var(--text-primary);text-align:right;font-size:.95rem;font-weight:600}.no-class-banner{background:color-mix(in srgb, var(--warning-color) 12%, transparent);border:1px dashed var(--warning-color);text-align:center;border-radius:16px;margin-bottom:30px;padding:30px}.no-class-banner h3{color:var(--warning-color);margin-bottom:10px}.no-class-banner p{color:var(--text-primary);margin-bottom:20px}@media (width<=900px){.dashboard-sections{grid-template-columns:1fr}.dashboard-header{flex-direction:column;align-items:flex-start;gap:15px}}.app-students{flex-direction:column;gap:1rem;display:flex}.students-header{justify-content:space-between;align-items:center;display:flex}.students-header h2{margin:0;font-size:1.5rem}.header-actions{gap:12px;display:flex}.btn-add{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:20px;padding:.5rem 1rem;font-weight:500}.warning-banner{color:#856404;background:#fff3cd;border-radius:6px;padding:.8rem;font-size:.9rem}.empty-state{text-align:center;color:var(--text-color);opacity:.7;padding:2rem}.students-list{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;display:grid}.student-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:10px;align-items:center;gap:1rem;padding:1rem;display:flex;box-shadow:0 2px 5px #0000000d}.stu-avatar{background:var(--primary-color);color:#fff;text-transform:uppercase;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;font-weight:700;display:flex}.stu-info h4{margin:0 0 .2rem;font-size:1.1rem}.stu-info p{opacity:.8;margin:0;font-size:.85rem}.app-students .modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.app-students .modal-content{background:var(--card-bg);border-radius:12px;width:100%;max-width:400px;max-height:90vh;padding:1.5rem;overflow-y:auto}.app-students .modal-content h3{margin-top:0}.app-students .form-group{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.app-students .form-group input,.app-students .form-group select{border:1px solid var(--border-color);background:var(--bg-color);color:var(--text-color);border-radius:4px;padding:.6rem}.app-students .modal-actions{justify-content:flex-end;gap:1rem;margin-top:1.5rem;display:flex}.app-students .large-modal{width:95%;max-width:800px}.app-students .form-tabs{border-bottom:1px solid var(--border-color);gap:10px;margin-bottom:15px;padding-bottom:5px;display:flex}.app-students .form-tabs button{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;border-radius:8px 8px 0 0;padding:8px 16px;font-weight:500}.app-students .form-tabs button.active{color:var(--primary-color);border-bottom:2px solid var(--primary-color);background:var(--bg-color)}.app-students .form-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:15px;display:grid}.profile-view-details .profile-section{padding:15px}.profile-view-details h4{border-bottom:1px solid var(--border-color);color:var(--primary-color);margin-top:0;padding-bottom:8px}.profile-view-details p{margin:8px 0;font-size:.95rem}.profile-grid{grid-template-columns:1fr 1fr;gap:20px;display:grid}.parent-link-box{background:var(--soft-panel);border:1px solid var(--border-color);border-radius:8px;justify-content:space-between;align-items:center;padding:15px;display:flex}.parent-link-actions{align-items:center;gap:15px;display:flex}.student-modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.student-modal-title{align-items:center;gap:15px;display:flex}.btn-danger{background:var(--danger-color);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:10px 16px}.split-actions{justify-content:space-between!important;margin-top:20px!important}@media (width<=768px){.profile-grid{grid-template-columns:1fr}.parent-link-box{flex-direction:column;align-items:stretch;gap:15px}.parent-link-actions{justify-content:flex-end}.student-modal-header,.students-header{flex-direction:column;align-items:stretch;gap:15px}.header-actions{justify-content:space-between}.form-grid{grid-template-columns:1fr}}.app-attendance{max-width:1400px;color:var(--text-primary);margin:0 auto;padding:30px}.attendance-header{flex-direction:column;margin-bottom:30px;display:flex}.attendance-header h2{color:var(--text-primary);margin:0 0 5px;font-size:28px;font-weight:700}.attendance-header p{color:var(--text-secondary);margin:0;font-size:14px}.attendance-layout{align-items:flex-start;gap:30px;display:flex}.attendance-sidebar{background:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;flex-shrink:0;width:320px;padding:20px;box-shadow:0 4px 12px #0000000d}.attendance-sidebar h3{color:var(--primary-color);border-bottom:2px solid var(--border-color);margin:0 0 15px;padding-bottom:10px;font-size:18px}.attendance-main{background:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;flex-grow:1;padding:25px;box-shadow:0 4px 12px #0000000d}.form-group{margin-bottom:20px}.form-group label{color:var(--text-secondary);margin-bottom:8px;font-size:14px;font-weight:600;display:block}.styled-select,.styled-input{border:1px solid var(--border-color);background:var(--control-color);width:100%;color:var(--text-primary);border-radius:8px;padding:12px 15px;font-family:inherit;font-size:15px;transition:all .2s}.styled-select:focus,.styled-input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #2563eb1a}.styled-input.text-center{text-align:center}.styled-input.input-error{border-color:var(--danger-color);background:#ef44440d}.sidebar-stats p{justify-content:space-between;margin:8px 0;font-size:14px;display:flex}.attendance-grid{border:1px solid var(--border-color);border-radius:10px;flex-direction:column;display:flex;overflow:hidden}.grid-header{border-bottom:1px solid var(--border-color);color:var(--text-secondary);background:#00000005;padding:12px 15px;font-size:14px;font-weight:600;display:flex}.grid-row{border-bottom:1px solid var(--border-color);align-items:center;padding:10px 15px;transition:background .2s;display:flex}.grid-row:last-child{border-bottom:none}.grid-row:hover{background:#00000003}.col-roll{flex-shrink:0;justify-content:center;width:60px;display:flex}.col-name{flex-grow:1;padding-left:10px;font-weight:500}.col-present{flex-shrink:0;justify-content:center;width:100px;display:flex}.col-total{flex-shrink:0;justify-content:center;align-items:center;width:80px;font-weight:500;display:flex}.text-muted{color:var(--text-secondary)}.stu-avatar.small{background:var(--primary-color);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:600;display:flex}@media (width<=900px){.attendance-layout{flex-direction:column}.attendance-sidebar{width:100%}}.app-marks{max-width:1400px;margin:0 auto;padding:20px}.marks-header{margin-bottom:20px}.marks-layout{grid-template-columns:280px 1fr;align-items:start;gap:20px;display:grid}.student-list-compact{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.student-list-compact li{cursor:pointer;color:var(--text-primary);border:1px solid #0000;border-radius:8px;padding:10px 12px;font-size:14px;font-weight:500;transition:all .2s}.student-list-compact li.active{background:color-mix(in srgb, var(--primary-color) 12%, transparent);border-color:color-mix(in srgb, var(--primary-color) 30%, transparent);color:var(--primary-color);font-weight:700}.marks-editor{background:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;padding:20px;overflow:hidden}.spreadsheet-container{width:100%;margin-top:20px;padding-bottom:15px;overflow-x:auto}.spreadsheet-table{border-collapse:collapse;width:100%;min-width:1000px}.spreadsheet-table th,.spreadsheet-table td{border:1px solid var(--border-color);text-align:center;vertical-align:middle;padding:6px;font-size:13px}.spreadsheet-table th{background:var(--surface-muted);color:var(--text-primary);z-index:10;font-weight:600;position:sticky;top:0}.spreadsheet-table .group-header{text-transform:uppercase;letter-spacing:.5px;padding:8px;font-size:12px}.header-formative{color:#2563eb!important;background:#2563eb14!important}.header-summative{color:#059669!important;background:#05966914!important}.header-total{color:#d97706!important;background:#d9770614!important}.subject-cell{color:var(--text-primary);background:var(--surface-color);z-index:5;min-width:140px;font-weight:600;position:sticky;left:0;box-shadow:2px 0 5px #00000005;text-align:left!important}.mark-input{text-align:center;background:0 0;border:1px solid #0000;border-radius:4px;width:50px;padding:4px;font-family:monospace;font-size:13px;font-weight:500;transition:all .2s}.mark-input:focus{background:var(--control-color);border-color:var(--primary-color);outline:none;box-shadow:0 0 0 2px #2563eb1a}.mark-input:disabled{color:var(--text-muted);cursor:not-allowed;background:#00000005}[data-theme=dark] .mark-input:disabled{background:#ffffff05}.calc-cell{background:var(--surface-muted);color:var(--text-primary);font-family:monospace;font-weight:700}.grand-total-cell{background:color-mix(in srgb, var(--warning-color) 10%, transparent);color:var(--warning-color);font-size:14px;font-weight:800}@media (width<=1024px){.marks-layout{grid-template-columns:1fr}.students-sidebar{max-height:250px}}.app-settings{flex-direction:column;gap:1.5rem;display:flex}.settings-header h2{margin:0;font-size:1.8rem}.settings-header p{color:var(--text-secondary);margin:.5rem 0 0}.settings-grid{grid-template-columns:1.2fr 1fr;align-items:start;gap:1.5rem;display:grid}.card-panel{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;box-shadow:0 4px 6px #00000005}.settings-card h3{border-bottom:1px solid var(--border-color);margin-top:0;margin-bottom:1.5rem;padding-bottom:.5rem}.settings-card .form-group{flex-direction:column;gap:.5rem;margin-bottom:1.5rem;display:flex}.settings-card label{font-size:.9rem;font-weight:600}.settings-card select{border:1px solid var(--border-color);background:var(--bg-color);color:var(--text-color);border-radius:8px;padding:.8rem;font-size:1rem}.no-classes-warning{color:var(--warning-color);background:#d977061a;border:1px solid #d9770633;border-radius:8px;padding:1rem;font-size:.9rem}.save-indicator{color:var(--success-color);font-size:.85rem;font-weight:500}.help-card p{color:var(--text-secondary);margin-bottom:1.5rem;font-size:.95rem;line-height:1.6}.sync-badges{flex-direction:column;gap:1rem;display:flex}.sync-badge{background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;padding:1rem}.sync-badge span{color:var(--text-secondary);margin-bottom:.2rem;font-size:.8rem;display:block}.sync-badge strong{color:var(--primary-color);font-size:1.05rem}@media (width<=900px){.settings-grid{grid-template-columns:1fr}}.card-header-with-action{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:.5rem;display:flex}.card-header-with-action h3{border-bottom:none;margin-bottom:0;padding-bottom:0}.btn-primary-small{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:8px 12px;font-size:13px;font-weight:600;transition:all .2s}.btn-primary-small:hover{background:var(--primary-hover)}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;background:0 0;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:600;transition:all .2s}.btn-secondary:hover{background:var(--surface-muted)}.modal-overlay{z-index:9999;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background:var(--surface-color);width:100%;max-width:450px;box-shadow:var(--shadow-md);border:1px solid var(--border-color);border-radius:16px;max-height:90vh;padding:30px;overflow-y:auto}.modal-content h3{margin-top:0;margin-bottom:15px}.modal-actions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.app-remarks{max-width:1400px;margin:0 auto;padding:20px}.remarks-header{margin-bottom:20px}.remarks-layout{grid-template-columns:280px 1fr;align-items:start;gap:20px;display:grid}.students-sidebar{background:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;max-height:calc(100vh - 120px);padding:15px;overflow-y:auto}.remarks-editor{background:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;padding:20px}.remarks-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:20px;display:grid}.remark-card{background:var(--surface-muted);border:1px solid var(--border-color);border-radius:12px;flex-direction:column;gap:12px;padding:16px;display:flex}.remark-card.special-card{background:color-mix(in srgb, var(--primary-color) 4%, var(--surface-muted));border-color:color-mix(in srgb, var(--primary-color) 20%, var(--border-color))}.remark-card h4{color:var(--text-primary);align-items:center;gap:8px;margin:0;font-size:14px;display:flex}.remark-textarea{border:1px solid var(--border-color);background:var(--control-color);width:100%;min-height:80px;color:var(--text-primary);resize:vertical;border-radius:8px;padding:12px;font-size:14px;transition:all .2s}.remark-textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #2563eb1a}.section-divider{border-bottom:2px solid var(--border-color);color:var(--text-primary);margin:30px 0 15px;padding-bottom:10px;font-size:16px;font-weight:700}@media (width<=1024px){.remarks-layout{grid-template-columns:1fr}}.dashboard-content{width:min(100%,1240px);margin:0 auto;padding:38px 32px 56px}.header-actions{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:26px;display:flex}.header-actions h1{color:var(--text-primary);margin-bottom:8px;font-size:34px;font-weight:800}.header-actions p{color:var(--text-secondary)}.summary-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px;display:grid}.summary-card{padding:18px}.summary-card span{color:var(--text-secondary);margin-bottom:12px;font-size:13px;font-weight:700;display:block}.summary-card strong{font-size:30px;font-weight:800}.tabs{gap:6px;margin-bottom:24px;padding:6px;display:inline-flex}.tab-btn{min-width:94px;color:var(--text-secondary);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:7px;padding:9px 14px;font-weight:800;transition:background .2s,color .2s,box-shadow .2s}.tab-btn:hover{background:var(--surface-muted);color:var(--text-primary)}.tab-btn.active{background:var(--primary-color);color:#fff;box-shadow:0 8px 18px #2563eb33}.requests-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:20px;display:grid}.request-card{transition:border-color .2s,box-shadow .2s,transform .2s;overflow:hidden}.request-card:hover{border-color:color-mix(in srgb, var(--primary-color) 36%, var(--border-color));box-shadow:var(--shadow-md);transform:translateY(-3px)}.request-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:flex-start;gap:12px;padding:16px;display:flex}.label{color:var(--text-muted);text-transform:uppercase;margin-bottom:4px;font-size:11px;font-weight:800;display:block}.user-id{color:var(--text-primary);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px}.date{color:var(--text-secondary);font-size:13px;font-weight:700}.screenshot-container{background:var(--image-bg);width:100%;height:210px;color:var(--text-secondary);cursor:pointer;border:0;justify-content:center;align-items:center;display:flex;overflow:hidden}.screenshot-container img{object-fit:cover;width:100%;height:100%;transition:transform .25s}.request-card:hover .screenshot-container img{transform:scale(1.04)}.request-actions{justify-content:space-between;align-items:center;gap:12px;padding:16px;display:flex}.error-state{border-color:#fecaca}.error-state h3{color:var(--danger-color)}.helper-text{margin-top:10px;font-size:12px}.modal-overlay{z-index:2000;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0f172a8f;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{flex-direction:column;width:min(100%,720px);max-height:90vh;display:flex;overflow:hidden;box-shadow:0 24px 72px #0f172a3d}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;gap:16px;padding:20px 22px;display:flex}.modal-header h2{font-size:22px;font-weight:800}.close-btn{border:1px solid var(--border-color);background:var(--control-color);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;border-radius:8px;place-items:center;font-size:18px;font-weight:800;display:grid}.modal-body{padding:22px;overflow-y:auto}.detail-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:18px;display:grid}.detail-list div{border:1px solid var(--border-color);background:var(--surface-muted);border-radius:8px;padding:14px}.detail-list dt{color:var(--text-muted);text-transform:uppercase;margin-bottom:6px;font-size:11px;font-weight:800}.detail-list dd{overflow-wrap:anywhere;color:var(--text-primary);font-size:14px;font-weight:700}.full-screenshot{border:1px solid var(--border-color);background:var(--image-bg);min-height:260px;color:var(--text-secondary);border-radius:8px;justify-content:center;align-items:center;display:flex;overflow:hidden}.full-screenshot img{object-fit:contain;max-width:100%;max-height:54vh}.modal-footer{border-top:1px solid var(--border-color);background:var(--surface-muted);justify-content:flex-end;gap:12px;padding:18px 22px;display:flex}@media (width<=960px){.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=680px){.dashboard-content{padding:28px 16px 44px}.header-actions{display:block}.header-actions h1{font-size:28px}.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.detail-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tabs{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;display:grid}.modal-overlay{padding:0}.modal-content{border:none;border-radius:0;width:100%;height:100%;max-height:100vh}.modal-body{padding:16px}}@media (width<=420px){.summary-grid,.detail-list{grid-template-columns:1fr}}.dashboard-controls-row{justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;display:flex}.search-box{flex:1;align-items:center;max-width:400px;padding:2px;display:flex;position:relative}.search-input{width:100%;background:0 0!important;border:none!important;padding:10px 14px!important;font-size:14px!important}.search-input:focus{box-shadow:none!important;border-color:#0000!important}.clear-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:16px;font-weight:800;position:absolute;right:12px}.date-filters{gap:4px;padding:4px;display:flex}.date-filter-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:8px 16px;font-size:13px;font-weight:700;transition:all .2s}.date-filter-btn:hover{background:var(--surface-muted);color:var(--text-primary)}.date-filter-btn.active{background:var(--primary-color);color:#fff}.load-more-container{justify-content:center;margin-top:32px;display:flex}.load-more-btn{min-width:200px}@media (width<=680px){.dashboard-controls-row{flex-direction:column;align-items:stretch}.search-box{max-width:100%}}.calendar-filter-wrapper{border-left:1px solid var(--border-color);align-items:center;margin-left:8px;padding-left:8px;display:flex;position:relative}.calendar-input{cursor:pointer;width:155px;color:var(--text-secondary)!important;background:0 0!important;border:none!important;outline:none!important;padding:6px 28px 6px 8px!important;font-size:13px!important;font-weight:700!important}.calendar-input::-webkit-calendar-picker-indicator{cursor:pointer;filter:invert(40%)sepia(10%)saturate(1000%)hue-rotate(180deg)brightness(90%)contrast(90%)}[data-theme=dark] .calendar-input::-webkit-calendar-picker-indicator{filter:invert()!important}.calendar-clear-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:14px;font-weight:800;position:absolute;right:8px}.subjects-container{flex-direction:column;gap:20px;display:flex}.subject-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;margin-top:20px;display:grid}.subject-card{background:var(--card-bg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:12px;padding:20px;transition:transform .2s,box-shadow .2s;position:relative}.subject-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.subject-header{border-bottom:2px solid var(--primary-color);justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:15px;display:flex}.subject-name-inputs{flex-direction:column;gap:8px;width:80%;display:flex}.subject-header input{width:100%;color:var(--primary-color);background:0 0;border:none;padding:5px;font-size:1.1rem;font-weight:700}.subject-header input:nth-child(2){color:var(--text-secondary);font-size:.9rem;font-weight:400}.subject-header input:focus{background:var(--bg-color);border-bottom:1px solid var(--primary-color);box-shadow:none}.subject-delete-btn{background:color-mix(in srgb, var(--danger-color) 10%, transparent);color:var(--danger-color);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-weight:700;transition:background .2s;display:flex}.subject-delete-btn:hover{background:var(--danger-color);color:#fff}.marks-section{background:var(--bg-color);border-radius:8px;margin-bottom:15px;padding:15px}.marks-section h4{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin:0 0 10px;font-size:.9rem}.marks-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.mark-input-group{flex-direction:column;gap:4px;display:flex}.mark-input-group label{color:var(--text-primary);font-size:.8rem;font-weight:500}.mark-input-group input{border:1px solid var(--border-color);background:var(--surface-color);text-align:center;border-radius:6px;padding:8px;font-size:.9rem}.mark-input-group input:focus{border-color:var(--primary-color)}.formative-header{color:var(--primary-color)!important}.summative-header{color:var(--success-color)!important}.app-reports{max-width:1400px;color:var(--text-primary);margin:0 auto;padding:30px}.reports-header{margin-bottom:30px}.reports-header h2{color:var(--text-primary);margin:0 0 5px;font-size:28px;font-weight:700}.reports-header p{color:var(--text-secondary);margin:0;font-size:14px}.reports-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;display:grid}.report-card-item{background:var(--surface-color);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);cursor:pointer;border-radius:12px;flex-direction:column;padding:24px;transition:all .25s cubic-bezier(.4,0,.2,1);display:flex;position:relative}.report-card-item:hover{box-shadow:var(--shadow-md);border-color:var(--primary-color);transform:translateY(-4px)}.report-category-pill{letter-spacing:.5px;border-radius:20px;align-self:flex-start;margin-bottom:15px;padding:4px 12px;font-size:12px;font-weight:700}.report-card-item h3{color:var(--text-primary);margin:0 0 8px;font-size:16px;font-weight:700}.report-card-item p{color:var(--text-secondary);flex-grow:1;margin:0 0 20px;font-size:13px}.btn-print-action{cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:5px;padding:0;font-size:14px;font-weight:700;transition:gap .2s;display:flex}.report-card-item:hover .btn-print-action{gap:8px}.engine-header{align-items:center;gap:15px;margin-bottom:20px;display:flex}.btn-back{background:var(--surface-color);border:1px solid var(--border-color);cursor:pointer;border-radius:8px;padding:8px 16px;font-weight:600;transition:all .2s}.btn-back:hover{background:var(--surface-muted)}.engine-layout{gap:20px;display:flex}.engine-sidebar{background:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;flex-shrink:0;width:300px;max-height:calc(100vh - 120px);padding:20px;overflow-y:auto}.engine-viewer{background:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;flex-direction:column;flex-grow:1;min-height:500px;padding:20px;display:flex}.viewer-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;display:flex}.student-list-compact{margin:0;padding:0;list-style:none}.student-list-compact li{cursor:pointer;background:var(--surface-muted);border-radius:6px;margin-bottom:5px;padding:10px 15px;font-size:14px;font-weight:500}.student-list-compact li:hover{background:var(--border-color)}.student-list-compact li.active{background:var(--primary-color);color:#fff}.printable-wrapper{background:#e2e8f0;border-radius:12px;flex-grow:1;justify-content:center;padding:40px;display:flex;overflow-x:auto}[data-theme=dark] .printable-wrapper{background:#0f172a}.printable-a4{color:#000;box-sizing:border-box;background:#fff;width:210mm;min-height:297mm;padding:0;font-family:Arial,sans-serif;position:relative;box-shadow:0 10px 30px #00000026}.printable-a4.landscape{width:297mm;min-height:210mm}.rc-school-header{text-align:center;border-bottom:2px solid #000;margin-bottom:20px;padding-bottom:10px}.rc-school-name{text-transform:uppercase;margin:0;font-size:24px;font-weight:700}.rc-title{margin:5px 0;font-size:16px;font-weight:700}.rc-table{border-collapse:collapse;width:100%;margin-bottom:20px;font-size:13px}.rc-table th,.rc-table td{text-align:center;border:1px solid #000;padding:6px}.rc-table th{background:#f0f0f0;font-weight:700}.rc-standard-page{background-color:#fff;width:100%;height:100%;min-height:297mm;position:relative}.rc-cover-page{background-color:#f5f5ff;width:100%;height:100%;min-height:297mm;position:relative;overflow:hidden}.rc-bg-layer{z-index:1;position:absolute;inset:0}.rc-circle{border-radius:50%;position:absolute}.rc-content-layer{z-index:2;padding:0 40px;position:absolute;inset:0}.rc-info-card{background-color:#e8eaf6;border-radius:12px;width:80%;padding:24px 32px 24px 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var(--border-color);border-radius:12px;flex-direction:column;align-items:center;gap:20px;padding:20px;display:flex}.payment-qr{object-fit:contain;width:250px;height:250px;box-shadow:var(--shadow-sm);background:#fff;border-radius:12px;padding:10px}.no-qr-placeholder{width:250px;height:250px;color:var(--text-muted);border:2px dashed var(--border-color);background:#0000000d;border-radius:12px;justify-content:center;align-items:center;display:flex}.upi-id-box{background:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;align-items:center;gap:12px;padding:12px 20px;font-size:1.1rem;display:flex}.upload-section{flex-direction:column;display:flex}.upload-form{flex-direction:column;gap:16px;display:flex}.upload-form h3{color:var(--text-primary);margin:0}.upload-form p{color:var(--text-secondary);margin:0 0 10px;font-size:.95rem}.upload-form .form-group input[type=file]{background:var(--surface-muted);border:1px dashed 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p{color:var(--text-secondary)}.remarks-layout{gap:var(--spacing-lg);grid-template-columns:300px 1fr;align-items:start;display:grid}@media (width<=900px){.remarks-layout{grid-template-columns:1fr}}.selectors-panel{flex-direction:column;gap:16px;padding:24px;display:flex}.selectors-panel h3{color:var(--text-primary);margin:0;font-size:20px;font-weight:800}.form-group{flex-direction:column;gap:.5rem;display:flex}.form-group label{font-size:var(--font-size-sm);color:var(--text-secondary);font-weight:500}.form-group select{border:1px solid var(--border-color);background:var(--control-color);color:var(--text-primary);border-radius:8px;padding:12px;font-family:inherit;font-size:15px;transition:border-color .2s}.form-group select:focus{border-color:var(--primary-color);outline:none}.selectors-info{background:var(--surface-muted);color:var(--text-secondary);word-break:break-all;border-radius:8px;margin-top:16px;padding:12px;font-size:13px}.selectors-info p{margin:0 0 .25rem}.selectors-info 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.2s;display:flex}.subject-item:hover{border-color:var(--border-color);background:var(--surface-color)}.subject-info{flex-direction:column;gap:8px;display:flex}.subject-name{color:var(--text-primary);font-size:16px;font-weight:700}.subject-meta{flex-wrap:wrap;gap:8px;display:flex}.meta-badge{color:#2196f3;text-transform:uppercase;letter-spacing:.5px;background:#2196f31a;border-radius:4px;padding:4px 8px;font-size:11px;font-weight:600}.meta-badge.marks{color:#4caf50;background:#4caf501a}.btn-delete-subject{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:8px 12px;font-size:24px;line-height:1;transition:all .2s}.btn-delete-subject:hover{color:#e74c3c;background:#e74c3c1a}.builtin-info{background:#ff98001a;border:1px solid #ff980033;border-radius:8px;margin-top:16px;padding:16px}.builtin-info p{color:#f39c12;margin:0;font-size:14px;line-height:1.5}.tabs-container{background:var(--surface-muted);border:1px solid var(--border-color);border-radius:14px;gap:8px;margin-bottom:24px;padding:8px;display:inline-flex;box-shadow:inset 0 2px 4px #0000000d}.tab-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:10px;padding:12px 28px;font-size:15px;font-weight:700;transition:all .3s cubic-bezier(.34,1.56,.64,1)}.tab-btn:hover:not(.active){color:var(--text-primary);background:#0000000d}.tab-btn.active{color:#fff;background:var(--primary-color);transform:translateY(-2px);box-shadow:0 6px 16px #2196f359}.class-defaults-layout{flex-direction:column;gap:24px;display:flex}.class-selector-panel{padding:24px}.class-selector-panel h3{margin:0 0 16px;font-size:18px}.class-buttons{flex-wrap:wrap;gap:12px;display:flex}.class-btn{background:var(--surface-muted);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;border-radius:8px;padding:10px 20px;font-weight:600;transition:all .2s}.class-btn:hover{background:var(--border-color)}.class-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.class-defaults-editor{padding:24px}.editor-header h3{margin:0;font-size:20px}.add-to-class-bar{background:var(--surface-muted);border-radius:8px;gap:16px;margin-bottom:24px;padding:16px;display:flex}.subject-dropdown{border:1px solid var(--border-color);background:var(--control-color);color:var(--text-primary);border-radius:8px;flex:1;padding:12px;font-family:inherit;font-size:15px}.sequence-list{flex-direction:column;gap:12px;display:flex}.sequence-item{background:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;align-items:center;gap:16px;padding:12px 16px;display:flex}.sequence-controls{background:var(--surface-muted);border-radius:6px;align-items:center;gap:8px;padding:4px 8px;display:flex}.seq-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:4px;font-size:16px}.seq-btn:disabled{opacity:.3;cursor:not-allowed}.seq-btn:not(:disabled):hover{color:var(--primary-color)}.seq-number{text-align:center;width:24px;font-weight:700}.sequence-info{flex-direction:column;flex:1;display:flex}.subject-max{color:var(--text-secondary);font-size:13px}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.admin-modal{background:var(--surface-color);width:90%;max-width:600px;max-height:90vh;box-shadow:var(--shadow-lg);border-radius:12px;padding:24px;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:10px;display:flex}.modal-header h2{margin:0;font-size:1.25rem}.close-btn{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;font-size:1.5rem}.close-btn:hover{color:var(--danger-color)}.admin-form .form-row{gap:16px;margin-bottom:16px;display:flex}.admin-form .form-row .form-group{flex:1}.admin-form .form-group{flex-direction:column;gap:6px;margin-bottom:12px;display:flex}.admin-form .form-group label{color:var(--text-secondary);font-weight:700}.admin-form .form-group input,.admin-form .form-group select{border:1px solid var(--border-color);background:var(--control-color);color:var(--text-primary);border-radius:6px;padding:8px}.admin-form .form-group input:disabled{opacity:.5;cursor:not-allowed}.marks-grid-editor{flex-direction:column;gap:16px;margin-top:20px;display:flex}.marks-section{background:var(--surface-muted);border-radius:8px;padding:16px}.marks-section h4{color:var(--primary-color);margin:0 0 10px}.grid-2col{grid-template-columns:1fr 1fr;gap:12px;display:grid}.grid-2col div{flex-direction:column;gap:4px;display:flex}.grid-2col div label{color:var(--text-secondary);font-size:.8rem}.grid-2col div input{border:1px solid var(--border-color);border-radius:4px;padding:6px}.admin-weightage-page{max-width:1200px;margin:0 auto;padding:32px}.weightage-editor-panel{margin-top:24px}.editor-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.editor-header h3{color:var(--text-primary);margin:0;font-size:1.25rem}.subjects-accordion{flex-direction:column;gap:16px;display:flex}.subject-card{background:var(--surface-default);border:1px solid var(--border-color);border-radius:12px;transition:all .3s;overflow:hidden}.subject-card.expanded{border-color:var(--primary-color);box-shadow:0 4px 12px #2196f31a}.subject-card-header{cursor:pointer;background:var(--surface-muted);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.subject-card-header:hover{background:#00000005}.subject-title{align-items:center;gap:12px;display:flex}.seq-number{background:var(--primary-color);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;font-weight:700;display:flex}.subject-title .name{color:var(--text-primary);font-size:1.1rem;font-weight:600}.subject-summary{color:var(--text-secondary);align-items:center;gap:16px;font-size:.95rem;display:flex}.total-badge{background:var(--bg-default);border:1px solid var(--border-color);border-radius:20px;padding:4px 10px;font-weight:600}.total-badge.error{color:#f44336;background:#ffebee;border-color:#f44336}.fe-se-summary{background:var(--bg-default);border:1px solid var(--border-color);border-radius:20px;padding:4px 10px}.expand-icon{color:var(--text-secondary);font-size:.85rem}.subject-card-body{border-top:1px solid var(--border-color);background:var(--surface-default);padding:24px}.warning-text{color:#f44336;background:#ffebee;border-radius:8px;margin-bottom:20px;padding:10px 16px;font-size:.95rem;font-weight:500}.weightage-grid{grid-template-columns:1fr 1fr;gap:32px;display:grid}@media (width<=900px){.weightage-grid{grid-template-columns:1fr}}.weightage-section h4{color:var(--primary-color);border-bottom:1px solid var(--border-color);margin:0 0 16px;padding-bottom:8px;font-size:1.05rem}.input-group-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.input-group-grid label{color:var(--text-secondary);flex-direction:column;gap:6px;font-size:.9rem;font-weight:500;display:flex}.input-group-grid input{border:1px solid var(--border-color);color:var(--text-primary);background:var(--bg-default);border-radius:8px;padding:10px 12px;font-size:1rem;transition:all .2s}.input-group-grid input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #2196f31a}