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rgba(255,255,255,0.08);}.sidebar-logout button{width:100%;padding:10px 14px;color:#fca5a5;background:rgba(239,68,68,0.08);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;border:1px solid rgba(239,68,68,0.15);}.sidebar-logout button:hover{background:#ef4444;color:#fff;border-color:#ef4444;}.main{padding:32px;position:relative;background:var(--bg-app);}.topbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:28px;padding-bottom:16px;border-bottom:1px solid rgba(15,30,54,0.05);}.topbar h2{margin:0;color:var(--text-dark);font-size:26px;font-weight:800;letter-spacing:-0.02em;}.topbar .muted{font-size:13px;margin-top:4px;font-weight:500;}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}.grid.two{grid-template-columns:minmax(0,1fr) auto;align-items:end;}.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm);transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-fast);}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--border-hover);}.stat .label{color:var(--text-muted);font-size:13px;font-weight:600;}.stat .value{margin-top:8px;font-size:24px;font-weight:800;color:var(--text-dark);letter-spacing:-0.01em;}.section{margin-top:24px;}.section h3{margin:0 0 14px;color:var(--text-dark);font-size:19px;font-weight:800;}.stat-card{position:relative;min-height:128px;overflow:hidden;border:1px solid var(--border-color);box-shadow:var(--shadow-sm);}.stat-card::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--tone);}.stat-card::after{content:"";position:absolute;right:-24px;top:-24px;width:96px;height:96px;border-radius:50%;background:var(--tone-soft);opacity:0.85;}.stat-head{position:relative;z-index:2;display:flex;align-items:center;gap:12px;min-height:40px;}.stat-icon{flex:0 0 38px;width:38px;height:38px;display:grid;place-items:center;border-radius:var(--radius-sm);background:var(--tone-soft);color:var(--tone-dark);font-size:11.5px;font-weight:800;box-shadow:inset 0 1px 0 rgba(255,255,255,0.4);}.stat-card .label{color:var(--text-muted);line-height:1.25;font-weight:600;}.stat-card .value{position:relative;z-index:2;margin-top:14px;color:var(--text-dark);font-size:25px;font-weight:800;}.dashboard-hero,.student-dashboard-hero{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:4px 0 24px;padding:24px;border:1px solid #dfe8f4;border-radius:var(--radius-lg);background:linear-gradient(120deg,#ffffff 40%,rgba(235,245,255,0.8) 75%,rgba(254,247,226,0.6) 100%);box-shadow:var(--shadow-md);}.dashboard-hero span,.section-heading span,.payment-overview>div>span{display:inline-flex;color:var(--primary-color);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:0.1em;}.dashboard-hero h3,.student-dashboard-hero h3{margin:6px 0 4px;color:var(--text-dark);font-size:24px;line-height:1.2;font-weight:800;letter-spacing:-0.01em;}.dashboard-hero p,.student-dashboard-hero p{margin:0;color:var(--text-muted);font-size:14px;}.tone-blue{--tone:#1e70d6;--tone-soft:#ecf4fd;--tone-dark:#1257ad;}.tone-violet{--tone:#7c3aed;--tone-soft:#f4f0ff;--tone-dark:#5b21b6;}.tone-cyan{--tone:#0891b2;--tone-soft:#ecfbff;--tone-dark:#0e7490;}.tone-green{--tone:#10b981;--tone-soft:#ebfbf5;--tone-dark:#047857;}.tone-amber{--tone:#d97706;--tone-soft:#fef8eb;--tone-dark:#b45309;}.tone-orange{--tone:#ea580c;--tone-soft:#fff3eb;--tone-dark:#c2410c;}.tone-indigo{--tone:#4f46e5;--tone-soft:#f0f2ff;--tone-dark:#3730a3;}.tone-emerald{--tone:#059669;--tone-soft:#eafaf4;--tone-dark:#047857;}.tone-red{--tone:#ef4444;--tone-soft:#fef2f2;--tone-dark:#b91c1c;}.tone-purple{--tone:#9333ea;--tone-soft:#faf0ff;--tone-dark:#7e22ce;}.tone-teal{--tone:#0d9488;--tone-soft:#ecfaf8;--tone-dark:#0f766e;}.tone-slate{--tone:#64748b;--tone-soft:#f1f5f9;--tone-dark:#475569;}.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);}table{width:100%;border-collapse:collapse;min-width:760px;}th,td{padding:14px 16px;border-bottom:1px solid #f1f5f9;text-align:left;vertical-align:middle;font-size:13.5px;}th{background:#f8fafc;color:#475569;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:0.08em;border-bottom:2px solid #e2e8f0;}tr{transition:background-color var(--transition-fast);}tbody tr:hover{background-color:#f8fafc;}.dashboard-panel{padding:24px;border:1px solid var(--border-color);border-radius:var(--radius-lg);background:var(--card-bg);box-shadow:var(--shadow-sm);}.section-heading{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px;}.section-heading h3{margin:4px 0 0;color:var(--text-dark);font-size:20px;font-weight:800;}.section-heading.compact{display:block;margin:0 0 6px;}.dashboard-panel .table-wrap{border-color:var(--border-color);box-shadow:none;}.student-dashboard-hero{background:linear-gradient(120deg,#ffffff 40%,rgba(230,246,240,0.8) 75%,rgba(254,247,226,0.6) 100%);}.student-dashboard-hero span{color:#0d9488;}.student-stats-grid{gap:18px;}.student-stat-card{min-height:136px;}.student-stat-card .value{font-size:24px;font-weight:800;line-height:1.25;}.student-stat-link{color:inherit;transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-fast);}.student-stat-link:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border-hover);}.student-stat-hint{position:relative;z-index:2;margin-top:8px;color:var(--tone-dark);font-size:11.5px;font-weight:700;}.student-stat-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}.student-alert{border-width:1px;font-weight:700;}.student-alert.success{background:#ecfdf5;border-color:#a7f3d0;color:#065f46;}.alert{padding:14px 16px;border-radius:var(--radius-md);margin-bottom:20px;background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af;font-weight:600;font-size:14px;}.alert.error{background:#fef2f2;border-color:#fecaca;color:#991b1b;}.payment-overview{display:grid;grid-template-columns:minmax(240px,1fr) minmax(0,2fr) auto;gap:20px;align-items:center;padding:24px;border:1px solid var(--border-color);border-radius:var(--radius-lg);background:var(--card-bg);box-shadow:var(--shadow-sm);}.payment-overview h3{margin:6px 0 0;color:var(--text-dark);font-size:18px;font-weight:800;}.payment-overview-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;}.payment-overview-grid div{padding:14px;border-radius:var(--radius-md);background:linear-gradient(180deg,#f8fafc,#f1f5f9);border:1px solid var(--border-color);}.payment-overview-grid span{display:block;color:var(--text-muted);font-size:11.5px;font-weight:700;text-transform:uppercase;}.payment-overview-grid strong{display:block;margin-top:6px;color:var(--text-dark);font-size:17px;font-weight:800;}.student-payment-panel{background:linear-gradient(180deg,#ffffff 0%,#fcfdfe 100%);}.badge{display:inline-flex;padding:4px 10px;border-radius:99px;background:#f1f5f9;color:#475569;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:0.02em;}.badge.ok{background:#dcfce7;color:#15803d;}.badge.warn{background:#fef3c7;color:#b45309;}.badge.bad{background:#fee2e2;color:#b91c1c;}.stack{display:grid;gap:12px;}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}.actions.align-end{align-self:end;margin-bottom:14px;}.mt{margin-top:14px;}.grade-filter{display:grid;grid-template-columns:1fr 1.2fr auto;gap:16px;align-items:end;}.notification-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:99px;background:#ecf5ff;color:#1d4ed8;font-weight:800;font-size:13px;border:1px solid #dbebff;transition:transform var(--transition-fast),box-shadow var(--transition-fast);}.notification-pill:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);}.notification-pill span{min-width:20px;height:20px;display:inline-grid;place-items:center;border-radius:99px;background:#1d4ed8;color:#fff;font-size:11px;font-weight:800;}.student-portal-header{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px;}.student-portal-header h3{margin:0;font-size:26px;font-weight:800;color:var(--text-dark);}.student-portal-header p{margin:6px 0 0;color:var(--text-muted);font-size:14px;}.portal-actions{display:flex;gap:10px;flex-wrap:wrap;}.profile-shell{display:grid;grid-template-columns:270px 1fr;gap:28px;background:#fff;border:1px solid var(--border-color);border-top:4px solid #1e70d6;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);}.profile-side{border-right:1px solid #f1f5f9;padding-right:24px;}.profile-avatar{min-height:200px;display:grid;place-items:center;background:linear-gradient(180deg,#ecf4f9,#dbe9f0);color:#648699;font-size:64px;font-weight:800;margin-bottom:12px;overflow:hidden;border-radius:var(--radius-md);border:1px solid var(--border-color);}.profile-avatar div{width:120px;height:120px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,0.7);}.profile-avatar img{width:100%;height:100%;object-fit:cover;display:block;}.photo-upload{display:grid;gap:8px;padding:12px 0;}.photo-upload label{color:var(--primary-color);font-weight:700;font-size:13.5px;}.photo-upload input{padding:8px;font-size:12.5px;}.profile-side nav{display:grid;gap:4px;}.profile-side a{padding:12px 14px;border-bottom:1px solid transparent;background:#f8fafc;color:#475569;font-weight:600;border-radius:var(--radius-sm);transition:background-color var(--transition-fast),color var(--transition-fast);}.profile-side a:hover{background:#f1f5f9;color:var(--primary-color);}.profile-side a.active{background:#eff6ff;border-left:3px solid #1e70d6;color:#1d4ed8;font-weight:700;}.profile-main{min-width:0;}.profile-toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:20px;}.profile-info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;}.profile-line{display:grid;grid-template-columns:180px 1fr;align-items:center;min-height:48px;border-bottom:1px solid #f1f5f9;gap:14px;font-size:14px;}.profile-line span{color:var(--text-muted);font-weight:600;}.profile-line span b{color:#ef4444;}.profile-line strong{color:var(--text-dark);font-weight:700;}.profile-line.compact{display:grid;grid-template-columns:1fr;align-content:center;padding:12px 16px;border:1px solid var(--border-color);border-radius:var(--radius-md);min-height:76px;}.profile-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:28px 0 16px;border-bottom:3px solid #f1f5f9;}.profile-tabs a{padding:12px 20px;background:#f1f5f9;color:#475569;font-weight:700;border-radius:var(--radius-sm) var(--radius-sm) 0 0;transition:background-color var(--transition-fast),color var(--transition-fast);}.profile-tabs a:hover{background:#e2e8f0;}.profile-tabs a.active{background:#fff;color:var(--text-dark);border-top:3px solid #1e70d6;border-left:1px solid var(--border-color);border-right:1px solid var(--border-color);border-bottom:3px solid #fff;margin-bottom:-3px;}.profile-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 28px;}.profile-form-grid .wide{grid-column:1 / -1;}.profile-tab-table{margin-top:20px;}.profile-notifications h3{margin-bottom:16px;}.notification-list{display:grid;gap:12px;}.notification-item{background:#fff;border:1px solid var(--border-color);border-left:4px solid #3b82f6;border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-sm);}.notification-item p{margin:6px 0 0;color:var(--text-muted);font-size:13px;}.notification-item.success{border-left-color:#10b981;}.notification-item.warning{border-left-color:#f59e0b;}.notification-item.danger{border-left-color:#ef4444;}.notification-item.info{border-left-color:#3b82f6;}.pdf{font-family:DejaVu Sans,sans-serif;color:#111827;}.pdf-header{width:100%;padding-bottom:8px;margin-bottom:14px;}.pdf-header img{width:100%;height:auto;display:block;}.grade-score-input{appearance:textfield;-moz-appearance:textfield;width:84px;min-width:84px;padding:10px 8px;text-align:center;color:#0f1e36;-webkit-text-fill-color:#0f1e36;background:#fff;opacity:1;}.grade-score-input::-webkit-outer-spin-button,.grade-score-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0;}.grade-entry-table{min-width:1240px;}.grade-entry-table--class th:nth-child(3),.grade-entry-table--class th:nth-child(4),.grade-entry-table--class th:nth-child(5),.grade-entry-table--class th:nth-child(6),.grade-entry-table--class td:nth-child(3),.grade-entry-table--class td:nth-child(4),.grade-entry-table--class td:nth-child(5),.grade-entry-table--class td:nth-child(6),.grade-entry-table--student th:nth-child(7),.grade-entry-table--student th:nth-child(8),.grade-entry-table--student th:nth-child(9),.grade-entry-table--student th:nth-child(10),.grade-entry-table--student td:nth-child(7),.grade-entry-table--student td:nth-child(8),.grade-entry-table--student td:nth-child(9),.grade-entry-table--student td:nth-child(10){width:102px;min-width:102px;}.payment-ledger-filter,.payment-ledger-period{display:grid;grid-template-columns:minmax(190px,.8fr) minmax(280px,1.4fr) minmax(170px,.6fr);gap:16px;align-items:end;}.payment-ledger-period{grid-template-columns:repeat(4,minmax(170px,1fr));margin-bottom:20px;}.payment-ledger-panel{margin:24px 0;padding:24px;border:1px solid var(--border-color);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-md);}.payment-ledger-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:20px;}.payment-ledger-heading h2{margin:4px 0;font-size:24px;font-weight:800;}.payment-ledger-heading p{margin:0;color:var(--text-muted);font-size:13.5px;}.payment-ledger-eyebrow{color:#0f766e;font-size:12px;font-weight:800;text-transform:uppercase;}.payment-ledger-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:24px;}.payment-ledger-stat{display:flex;align-items:center;gap:16px;min-height:88px;padding:16px;border:1px solid var(--border-color);border-left:4px solid #3b82f6;border-radius:var(--radius-md);background:#f8fafc;}.payment-ledger-stat.paid{border-left-color:#10b981;background:#f0fdf4;}.payment-ledger-stat.billed{border-left-color:#8b5cf6;background:#f5f3ff;}.payment-ledger-stat.remaining{border-left-color:#f59e0b;background:#fffbeb;}.payment-ledger-stat-icon{display:grid;place-items:center;width:42px;height:42px;flex:0 0 42px;border-radius:var(--radius-sm);background:#eff6ff;color:#1e40af;font-size:13px;font-weight:800;}.payment-ledger-stat.paid .payment-ledger-stat-icon{background:#dcfce7;color:#166534;}.payment-ledger-stat.billed .payment-ledger-stat-icon{background:#f3e8ff;color:#6d28d9;}.payment-ledger-stat.remaining .payment-ledger-stat-icon{background:#fef3c7;color:#92400e;}.payment-ledger-stat small{display:block;color:var(--text-muted);margin-bottom:4px;font-weight:600;}.payment-ledger-stat strong{display:block;color:var(--text-dark);font-size:20px;font-weight:800;}.payment-ledger-table-wrap{margin-bottom:14px;}.payment-ledger-table th{white-space:nowrap;}.payment-ledger-table td{vertical-align:middle;}.payment-ledger-table input{min-width:130px;}.payment-ledger-table .payment-ledger-money{min-width:120px;width:140px;}.payment-ledger-table .payment-ledger-initial{background:#fffbeb;border-color:#fcd34d;}.payment-ledger-paid,.payment-ledger-clear{color:#166534;font-weight:700;}.payment-ledger-due{color:#b91c1c;font-weight:700;}.payment-ledger-actions{min-width:190px;}.payment-ledger-actions details{margin-top:8px;}.payment-ledger-actions summary{color:var(--primary-color);font-weight:800;cursor:pointer;}.payment-ledger-bill-action{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;margin-top:7px;font-size:12px;}.btn.compact{width:auto;min-height:32px;padding:6px 12px;font-size:12px;white-space:nowrap;border-radius:var(--radius-sm);}.payment-ledger-help{display:flex;flex-wrap:wrap;gap:8px 24px;margin:12px 0 18px;color:var(--text-muted);font-size:13.5px;font-weight:500;}.payment-ledger-empty{display:flex;flex-direction:column;gap:4px;margin:20px 0;padding:24px;border:2px dashed #cbd5e1;border-radius:var(--radius-md);color:var(--text-muted);background:#f8fafc;text-align:center;}.payment-ledger-advanced{margin-top:24px;border-top:1px solid var(--border-color);padding-top:18px;}.payment-ledger-advanced summary{margin-bottom:18px;color:var(--primary-color);font-weight:800;cursor:pointer;}.student-payment-filter{align-items:flex-end;}.student-payment-filter .field{min-width:250px;}.student-payment-filter .btn{white-space:nowrap;}@media (max-width:992px){.app{grid-template-columns:1fr;}.sidebar{position:static;height:auto;padding:20px 16px;}.main{padding:24px 16px;}.grid{grid-template-columns:repeat(2,minmax(0,1fr));}.payment-overview{grid-template-columns:1fr;align-items:stretch;}.payment-overview-grid{grid-template-columns:repeat(2,minmax(0,1fr));}.grade-filter{grid-template-columns:1fr;align-items:stretch;}.profile-shell{grid-template-columns:1fr;}.profile-side{border-right:0;padding-right:0;margin-bottom:16px;}.profile-info-grid,.profile-form-grid{grid-template-columns:1fr;}.profile-line{grid-template-columns:160px 1fr;}.payment-ledger-filter,.payment-ledger-period,.payment-ledger-summary{grid-template-columns:1fr;}.payment-ledger-heading{align-items:flex-start;flex-direction:column;}.payment-ledger-panel{padding:16px;}.student-payment-filter{align-items:stretch;flex-direction:column;width:100%;}.student-payment-filter .field{min-width:0;width:100%;}}@media (max-width:900px){.login-page{padding:20px;background-attachment:scroll;}.login-hero{min-height:auto;grid-template-columns:1fr;gap:24px;}.login-copy{gap:16px;align-content:end;padding-top:24px;text-align:center;}.login-logo-mark{width:84px;height:84px;margin:0 auto;}.login-logo-mark img{width:68px;height:68px;}.login-motivation{max-width:none;border-left:0;border-top:3px solid #f0b429;padding:16px 0 0;text-align:center;border-radius:0;}.login-card{padding:24px;}}@media (max-width:576px){.login-title-block h1{font-size:42px;}.login-title-block p{font-size:20px;}.login-motivation strong{font-size:15px;}.login-card-brand{flex-direction:column;text-align:center;gap:8px;}.login-card-brand img{width:50px;height:50px;margin:0 auto;}.login-card-brand h2{font-size:22px;}.grid{grid-template-columns:1fr;}.student-dashboard-hero{align-items:flex-start;flex-direction:column;padding:16px;}.payment-overview-grid{grid-template-columns:1fr;}.topbar{align-items:flex-start;flex-direction:column;gap:8px;}.student-portal-header,.profile-toolbar{align-items:flex-start;flex-direction:column;gap:8px;}.profile-shell{padding:16px;}.profile-line{grid-template-columns:1fr;padding:8px 0;}.profile-tabs a{width:100%;text-align:center;}}html.sidebar-collapsed-init body{--sidebar-w:0px;}html.sidebar-collapsed-init .sidebar{opacity:0;padding:18px 0;pointer-events:none;overflow:hidden;}body.sidebar-collapsed{--sidebar-w:0px;}body.sidebar-collapsed .sidebar{opacity:0;padding:18px 0;pointer-events:none;overflow:hidden;}.sidebar-toggle-btn{background:transparent;border:1px solid #cfd8e6;border-radius:6px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#0b2c55;transition:all 0.2s;font-size:16px;flex-shrink:0;}.sidebar-toggle-btn:hover{background:rgba(11,58,117,0.08);border-color:#0b3a75;transform:scale(1.04);}.sidebar-toggle-btn:active{transform:scale(0.96);}@media (max-width:992px){.sidebar-toggle-btn{display:none !important;}}