/* ============================================================ Computech IT — Student Portal Design System portal.css | All portal pages share this stylesheet ============================================================ */ @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap'); :root { --primary: #6366f1; --primary-light: #818cf8; --primary-dark: #4f46e5; --accent: #06b6d4; --accent-2: #10b981; --danger: #ef4444; --warning: #f59e0b; --success: #10b981; --bg-dark: #090b12; --surface: #0f1623; --surface-2: #141d2e; --surface-3: #1a2440; --border: rgba(255,255,255,0.07); --border-active: rgba(99,102,241,0.45); --text-primary: #f1f5f9; --text-secondary: #94a3b8; --text-muted: #475569; --radius: 16px; --radius-sm: 10px; --radius-xs: 8px; --shadow: 0 4px 24px rgba(0,0,0,0.35); --shadow-lg: 0 20px 60px rgba(0,0,0,0.55); --shadow-glow: 0 0 30px rgba(99,102,241,0.2); --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1); --mobile-nav-height: 64px; } *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { scroll-behavior: smooth; } body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg-dark); color: var(--text-primary); line-height: 1.6; -webkit-font-smoothing: antialiased; } /* ── Scrollbar ── */ ::-webkit-scrollbar { width: 6px; } ::-webkit-scrollbar-track { background: var(--surface); } ::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; } /* ── Utility classes ── */ .flex { display: flex; } .items-center { align-items: center; } .gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; } /* ============================================================ PORTAL LAYOUT — Sidebar + Main ============================================================ */ .portal-layout { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; } /* ── Sidebar ── */ .sidebar { background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 24px 16px; position: sticky; top: 0; height: 100vh; overflow-y: auto; transition: var(--transition); } .sidebar-brand { display: flex; align-items: center; gap: 12px; padding: 4px 12px 24px; border-bottom: 1px solid var(--border); margin-bottom: 20px; } .sidebar-brand .brand-icon { width: 42px; height: 42px; background: #ffffff; border-radius: 10px; display: flex; align-items: center; justify-content: center; padding: 3px; object-fit: contain; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25); } .sidebar-brand .brand-name { font-size: 16px; font-weight: 700; color: var(--text-primary); } .sidebar-brand .brand-name span { color: var(--primary-light); } .sidebar-brand .brand-sub { font-size: 11px; color: var(--text-muted); font-weight: 400; } /* Student Info Card in Sidebar */ .sidebar-student-card { background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(6,182,212,0.08)); border: 1px solid rgba(99,102,241,0.2); border-radius: 12px; padding: 16px; margin-bottom: 20px; } .student-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; color: white; flex-shrink: 0; margin-bottom: 10px; } .student-name { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 2px; } .student-course-badge { display: inline-block; padding: 3px 10px; background: rgba(99,102,241,0.25); border: 1px solid rgba(99,102,241,0.4); border-radius: 20px; font-size: 11px; color: var(--primary-light); font-weight: 600; letter-spacing: 0.3px; } /* Sidebar Nav */ .sidebar-nav { flex: 1; display: flex; flex-direction: column; gap: 4px; } .nav-section-label { font-size: 10px; font-weight: 700; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; padding: 12px 12px 6px; } .nav-link { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--radius-sm); color: var(--text-secondary); text-decoration: none; font-size: 14px; font-weight: 500; transition: var(--transition); position: relative; } .nav-link .nav-icon { font-size: 18px; flex-shrink: 0; } .nav-link:hover { background: rgba(99,102,241,0.1); color: var(--text-primary); } .nav-link.active { background: rgba(99,102,241,0.18); color: var(--primary-light); font-weight: 600; } .nav-link.active::before { content: ''; position: absolute; left: 0; top: 20%; bottom: 20%; width: 3px; background: var(--primary-light); border-radius: 0 3px 3px 0; } .nav-badge { margin-left: auto; background: var(--primary); color: white; font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 20px; } .sidebar-footer { border-top: 1px solid var(--border); padding-top: 16px; margin-top: 12px; } .logout-btn { display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 14px; background: none; border: none; border-radius: var(--radius-sm); color: var(--text-muted); font-size: 14px; font-weight: 500; font-family: 'Inter', sans-serif; cursor: pointer; transition: var(--transition); text-align: left; } .logout-btn:hover { background: rgba(239,68,68,0.1); color: #fca5a5; } /* ── Main Content ── */ .main-content { overflow-x: hidden; } .portal-header { background: var(--surface); border-bottom: 1px solid var(--border); padding: 20px 36px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 50; backdrop-filter: blur(12px); } .portal-header h1 { font-size: 22px; font-weight: 700; color: var(--text-primary); } .portal-header .header-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 2px; } .page-body { padding: 36px; max-width: 1200px; } /* ============================================================ CARDS & COMPONENTS ============================================================ */ .card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: var(--transition); } .card:hover { border-color: var(--border-active); } .card-title { font-size: 15px; font-weight: 600; color: var(--text-primary); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; } /* ── Stats Row ── */ .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 32px; } .stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; position: relative; overflow: hidden; transition: var(--transition); } .stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; } .stat-card.blue::before { background: linear-gradient(90deg, var(--primary), var(--primary-light)); } .stat-card.cyan::before { background: linear-gradient(90deg, var(--accent), #67e8f9); } .stat-card.green::before { background: linear-gradient(90deg, var(--success), #34d399); } .stat-card.amber::before { background: linear-gradient(90deg, var(--warning), #fcd34d); } .stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--border-active); } .stat-icon { font-size: 32px; margin-bottom: 12px; } .stat-value { font-size: 32px; font-weight: 800; color: var(--text-primary); line-height: 1; margin-bottom: 6px; } .stat-label { font-size: 13px; color: var(--text-muted); font-weight: 500; } /* ── Subject Cards Grid ── */ .subjects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-bottom: 32px; } .subject-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; cursor: pointer; transition: var(--transition); position: relative; overflow: hidden; text-decoration: none; display: block; } .subject-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, var(--card-color, var(--primary)), transparent); opacity: 0.04; transition: opacity 0.3s; } .subject-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.4); border-color: var(--card-color, var(--primary-light)); } .subject-card:hover::after { opacity: 0.1; } .subject-card-emoji { font-size: 40px; margin-bottom: 16px; display: block; } .subject-card-name { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; } .subject-card-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; line-height: 1.5; } .progress-bar-container { margin-top: 16px; } .progress-bar-label { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); margin-bottom: 8px; } .progress-bar-track { height: 6px; background: var(--surface-3); border-radius: 3px; overflow: hidden; } .progress-bar-fill { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--card-color, var(--primary)), var(--primary-light)); transition: width 1s ease; } .subject-card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); } .lesson-badge { font-size: 12px; color: var(--text-muted); } .start-btn { display: flex; align-items: center; gap: 6px; padding: 6px 16px; background: rgba(99,102,241,0.15); border: 1px solid rgba(99,102,241,0.3); border-radius: 8px; color: var(--primary-light); font-size: 12px; font-weight: 600; transition: var(--transition); } .subject-card:hover .start-btn { background: var(--primary); border-color: var(--primary); color: white; } /* ── Lesson Viewer ── */ .lesson-layout { display: grid; grid-template-columns: 280px 1fr; gap: 24px; align-items: start; } .lesson-nav-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; position: sticky; top: 90px; max-height: calc(100vh - 120px); display: flex; flex-direction: column; } #lessonNavItems { overflow-y: auto; flex: 1; } .level-pill-bar { display: flex; gap: 4px; padding: 10px 12px; border-bottom: 1px solid var(--border); background: var(--surface-2); overflow-x: auto; } .level-pill { padding: 4px 8px; border-radius: 6px; font-size: 11px; font-weight: 600; color: var(--text-muted); background: transparent; border: 1px solid transparent; cursor: pointer; white-space: nowrap; transition: var(--transition); } .level-pill:hover { color: var(--text-primary); } .level-pill.active { background: var(--surface); color: var(--primary-light); border-color: var(--border-active); } .lesson-level-badge { display: inline-block; padding: 2px 7px; border-radius: 10px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-left: auto; flex-shrink: 0; } .lesson-level-badge.level-beginner { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); } .lesson-level-badge.level-intermediate { background: rgba(6, 182, 212, 0.15); color: #67e8f9; border: 1px solid rgba(6, 182, 212, 0.3); } .lesson-level-badge.level-advanced { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); } .lesson-objective-box { background: rgba(99, 102, 241, 0.08); border: 1px solid rgba(99, 102, 241, 0.25); border-radius: 10px; padding: 14px 18px; font-size: 14px; color: var(--text-primary); margin-bottom: 24px; line-height: 1.6; } .lesson-deliverable-box { background: rgba(16, 185, 129, 0.08); border: 1px solid rgba(16, 185, 129, 0.25); border-radius: 10px; padding: 14px 18px; font-size: 14px; color: #6ee7b7; margin-bottom: 24px; line-height: 1.6; } .lesson-nav-header { padding: 18px 20px; border-bottom: 1px solid var(--border); font-size: 14px; font-weight: 600; color: var(--text-secondary); } .lesson-nav-item { display: flex; align-items: center; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--border); cursor: pointer; transition: var(--transition); text-decoration: none; color: var(--text-secondary); font-size: 14px; } .lesson-nav-item:last-child { border-bottom: none; } .lesson-nav-item:hover { background: var(--surface-2); color: var(--text-primary); } .lesson-nav-item.active { background: rgba(99,102,241,0.12); color: var(--primary-light); font-weight: 600; } .lesson-nav-item.locked { opacity: 0.6; background: rgba(0,0,0,0.15); } .lesson-nav-item.locked:hover { background: rgba(239, 68, 68, 0.08); opacity: 0.85; } .lesson-nav-item.locked .lesson-num { background: rgba(255,255,255,0.05); color: var(--text-muted); } .lesson-nav-item.completed { border-left: 3px solid #10b981; } .lesson-nav-item.completed .lesson-num { background: #10b981; color: white; } .lesson-nav-item.in-review { border-left: 3px solid #f59e0b; } .lesson-nav-item.in-review .lesson-num { background: #f59e0b; color: black; } .lesson-nav-item.redo { border-left: 3px solid #ef4444; } .lesson-nav-item.redo .lesson-num { background: #ef4444; color: white; } .lesson-num { width: 28px; height: 28px; background: var(--surface-3); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; transition: var(--transition); } .lesson-nav-item.active .lesson-num { background: var(--primary); color: white; } /* ── Locked Content State ── */ .lesson-locked-screen { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 70px 32px; background: radial-gradient(circle at center, rgba(239, 68, 68, 0.05) 0%, transparent 70%); } .locked-big-icon { font-size: 48px; width: 88px; height: 88px; border-radius: 50%; background: rgba(239, 68, 68, 0.1); border: 2px dashed rgba(239, 68, 68, 0.3); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; } .lesson-locked-screen h2 { font-size: 22px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; } .lesson-locked-screen p { font-size: 14px; color: var(--text-secondary); max-width: 480px; line-height: 1.6; margin-bottom: 24px; } .unlock-prereq-card { background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: 14px 20px; display: flex; align-items: center; gap: 14px; margin-bottom: 24px; text-align: left; max-width: 460px; width: 100%; } .unlock-prereq-icon { font-size: 24px; } .unlock-prereq-title { font-size: 14px; font-weight: 600; color: var(--text-primary); } .unlock-prereq-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; } .unlock-action-btn { padding: 12px 24px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); border: none; border-radius: 10px; color: white; font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition); display: inline-flex; align-items: center; gap: 8px; } .unlock-action-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4); } /* ── Status Banner ── */ .lesson-status-banner { display: flex; align-items: center; justify-content: space-between; padding: 12px 18px; border-radius: 10px; margin-bottom: 20px; font-size: 13px; font-weight: 500; } .lesson-status-banner.approved { background: rgba(16, 185, 129, 0.12); border: 1px solid rgba(16, 185, 129, 0.3); color: #34d399; } .lesson-status-banner.reviewing { background: rgba(245, 158, 11, 0.12); border: 1px solid rgba(245, 158, 11, 0.3); color: #fcd34d; } .lesson-status-banner.redo { background: rgba(239, 68, 68, 0.12); border: 1px solid rgba(239, 68, 68, 0.3); color: #fca5a5; } .lesson-content-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; } .lesson-content-header { padding: 28px 32px; border-bottom: 1px solid var(--border); background: linear-gradient(135deg, rgba(99,102,241,0.08), transparent); } .lesson-number-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(99,102,241,0.2); border: 1px solid rgba(99,102,241,0.35); border-radius: 20px; padding: 4px 12px; font-size: 12px; font-weight: 600; color: var(--primary-light); margin-bottom: 12px; } .lesson-content-header h2 { font-size: 24px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; } .lesson-content-header p { color: var(--text-muted); font-size: 14px; } .lesson-body { padding: 32px; } /* Lesson Steps */ .lesson-steps { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; } .lesson-step { display: flex; gap: 16px; } .step-number { width: 32px; height: 32px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; color: white; flex-shrink: 0; margin-top: 2px; } .step-content h4 { font-size: 15px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; } .step-content p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; } .step-content .tip-box { background: rgba(6,182,212,0.08); border: 1px solid rgba(6,182,212,0.2); border-radius: 8px; padding: 10px 14px; font-size: 13px; color: #67e8f9; margin-top: 10px; } /* File Upload */ .upload-section { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; margin-top: 24px; } .upload-title { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; } .upload-subtitle { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; } .drop-zone { border: 2px dashed var(--border-active); border-radius: 12px; padding: 40px 24px; text-align: center; cursor: pointer; transition: var(--transition); position: relative; } .drop-zone:hover, .drop-zone.drag-over { background: rgba(99,102,241,0.06); border-color: var(--primary-light); } .drop-zone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; } .drop-zone-icon { font-size: 40px; margin-bottom: 12px; display: block; } .drop-zone-text { font-size: 15px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; } .drop-zone-hint { font-size: 13px; color: var(--text-muted); } .drop-zone-hint span { color: var(--primary-light); } .selected-file-info { display: none; align-items: center; gap: 12px; margin-top: 16px; padding: 14px 16px; background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.25); border-radius: 10px; } .selected-file-info.show { display: flex; } .file-type-badge { padding: 4px 10px; background: var(--primary); border-radius: 6px; font-size: 11px; font-weight: 700; color: white; text-transform: uppercase; flex-shrink: 0; } .selected-file-name { font-size: 14px; color: var(--text-primary); flex: 1; } .selected-file-size { font-size: 12px; color: var(--text-muted); } .remove-file-btn { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 18px; padding: 0; transition: color 0.2s; } .remove-file-btn:hover { color: var(--danger); } .upload-btn { width: 100%; padding: 14px; background: linear-gradient(135deg, var(--primary), #818cf8); border: none; border-radius: 10px; color: white; font-size: 15px; font-weight: 600; font-family: 'Inter', sans-serif; cursor: pointer; transition: var(--transition); margin-top: 16px; display: flex; align-items: center; justify-content: center; gap: 8px; } .upload-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(99,102,241,0.4); } .upload-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; } .upload-progress { display: none; margin-top: 16px; } .upload-progress.show { display: block; } .progress-text { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; display: flex; justify-content: space-between; } .progress-track { height: 8px; background: var(--surface-3); border-radius: 4px; overflow: hidden; } .progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 4px; width: 0%; transition: width 0.3s ease; position: relative; } .progress-fill::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent); animation: shimmer 1.5s infinite; } @keyframes shimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } } /* AI Review Result */ .ai-result-card { display: none; margin-top: 20px; border-radius: 12px; overflow: hidden; animation: slideIn 0.4s ease; } .ai-result-card.show { display: block; } .ai-result-card.approved { border: 1px solid rgba(16,185,129,0.4); background: rgba(16,185,129,0.08); } .ai-result-card.redo { border: 1px solid rgba(239,68,68,0.4); background: rgba(239,68,68,0.08); } .ai-result-card.pending { border: 1px solid rgba(245,158,11,0.4); background: rgba(245,158,11,0.08); } .ai-result-header { display: flex; align-items: center; gap: 12px; padding: 16px 20px; font-size: 15px; font-weight: 700; } .ai-result-card.approved .ai-result-header { color: #34d399; } .ai-result-card.redo .ai-result-header { color: #fca5a5; } .ai-result-card.pending .ai-result-header { color: #fcd34d; } .ai-result-body { padding: 0 20px 16px; font-size: 14px; color: var(--text-secondary); line-height: 1.7; } @keyframes slideIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } } /* ── Submissions Table ── */ .submissions-table-wrapper { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; } .submissions-table { width: 100%; border-collapse: collapse; font-size: 14px; } .submissions-table th { padding: 14px 20px; text-align: left; background: var(--surface-2); color: var(--text-muted); font-size: 11px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; border-bottom: 1px solid var(--border); } .submissions-table td { padding: 16px 20px; border-bottom: 1px solid var(--border); color: var(--text-secondary); vertical-align: middle; } .submissions-table tr:last-child td { border-bottom: none; } .submissions-table tr:hover td { background: var(--surface-2); } .status-badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; white-space: nowrap; } .status-badge.pending { background: rgba(245,158,11,0.15); color: #fcd34d; border: 1px solid rgba(245,158,11,0.3); } .status-badge.approved { background: rgba(16,185,129,0.15); color: #34d399; border: 1px solid rgba(16,185,129,0.3); } .status-badge.redo { background: rgba(239,68,68,0.15); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); } .status-badge.reviewing { background: rgba(99,102,241,0.15); color: #a5b4fc; border: 1px solid rgba(99,102,241,0.3); } /* Empty state */ .empty-state { text-align: center; padding: 60px 24px; } .empty-state .empty-icon { font-size: 64px; margin-bottom: 20px; opacity: 0.4; } .empty-state h3 { font-size: 18px; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; } .empty-state p { font-size: 14px; color: var(--text-muted); } /* ── Toast Notifications ── */ .toast-container { position: fixed; bottom: 24px; right: 24px; display: flex; flex-direction: column; gap: 10px; z-index: 9999; } .toast { display: flex; align-items: center; gap: 12px; padding: 14px 18px; background: var(--surface-3); border: 1px solid var(--border); border-radius: 12px; font-size: 14px; color: var(--text-primary); box-shadow: var(--shadow-lg); animation: toastIn 0.35s ease; min-width: 280px; max-width: 380px; } .toast.success { border-color: rgba(16,185,129,0.4); } .toast.error { border-color: rgba(239,68,68,0.4); } @keyframes toastIn { from { opacity: 0; transform: translateY(20px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } } /* ── Responsive ── */ @media (max-width: 1024px) { .portal-layout { grid-template-columns: 220px 1fr; } .page-body { padding: 24px; } } /* ════════════════════════════════════════════════════════════ MOBILE HAMBURGER SIDEBAR OVERLAY ════════════════════════════════════════════════════════════ */ /* Hamburger toggle button — shown only on mobile */ .mobile-menu-btn { display: none; width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2); cursor: pointer; align-items: center; justify-content: center; flex-direction: column; gap: 5px; flex-shrink: 0; transition: var(--transition); } .mobile-menu-btn span { display: block; width: 18px; height: 2px; background: var(--text-secondary); border-radius: 2px; transition: var(--transition); } .mobile-menu-btn:hover { border-color: var(--border-active); background: var(--surface-3); } .mobile-menu-btn:hover span { background: var(--primary-light); } /* Sidebar backdrop overlay */ .sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.65); backdrop-filter: blur(6px); z-index: 199; opacity: 0; transition: opacity 0.3s ease; } .sidebar-backdrop.visible { opacity: 1; } /* ════════════════════════════════════════════════════════════ MOBILE BOTTOM NAVIGATION BAR ════════════════════════════════════════════════════════════ */ .mobile-bottom-nav { display: none; position: fixed; bottom: 0; left: 0; right: 0; height: var(--mobile-nav-height); background: rgba(9, 11, 18, 0.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-top: 1px solid var(--border); z-index: 150; padding: 0 4px; padding-bottom: env(safe-area-inset-bottom, 0px); } .mobile-bottom-nav-inner { display: flex; align-items: stretch; height: 100%; justify-content: space-around; } .mobile-nav-item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; flex: 1; text-decoration: none; color: var(--text-muted); font-size: 10px; font-weight: 600; letter-spacing: 0.3px; transition: var(--transition); border-radius: 12px; padding: 6px 4px; position: relative; min-width: 0; } .mobile-nav-item .mobile-nav-icon { font-size: 22px; line-height: 1; transition: transform 0.2s ease; } .mobile-nav-item .mobile-nav-label { font-size: 10px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; } .mobile-nav-item:hover { color: var(--text-secondary); } .mobile-nav-item:hover .mobile-nav-icon { transform: translateY(-2px); } .mobile-nav-item.active { color: var(--primary-light); } .mobile-nav-item.active .mobile-nav-icon { transform: translateY(-2px); } .mobile-nav-item.active::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 32px; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 0 0 4px 4px; } .mobile-nav-badge { position: absolute; top: 4px; right: calc(50% - 18px); background: linear-gradient(135deg, #00f2fe, #7928ca); color: #fff; font-size: 8px; font-weight: 800; padding: 1px 5px; border-radius: 8px; letter-spacing: 0.2px; } @media (max-width: 768px) { /* Show mobile-only elements */ .mobile-menu-btn { display: flex; } .mobile-bottom-nav { display: block; } .sidebar-backdrop { display: block; } /* Portal layout: single column */ .portal-layout { grid-template-columns: 1fr; } /* Sidebar becomes a fixed overlay drawer */ .sidebar { position: fixed; left: -280px; top: 0; bottom: 0; width: 260px; z-index: 200; transition: left 0.32s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 4px 0 40px rgba(0,0,0,0.6); } .sidebar.is-open { left: 0; } /* Push main content down for bottom nav */ .main-content { padding-bottom: var(--mobile-nav-height); } /* Header tweaks */ .portal-header { padding: 12px 16px; gap: 10px; } .portal-header h1 { font-size: 18px; } /* Page body */ .page-body { padding: 14px; } /* Stats grid → 2 columns on tablet/phone */ .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 20px; } /* Subjects grid → 1 column on small screens */ .subjects-grid { grid-template-columns: 1fr; gap: 14px; } /* Lesson layout stacks vertically */ .lesson-layout { grid-template-columns: 1fr; gap: 16px; } .lesson-nav-panel { position: static; max-height: 340px; } /* Submission table scroll */ .submissions-table-wrapper { overflow-x: auto; } .submissions-table { min-width: 600px; } /* Toast on mobile */ .toast-container { bottom: calc(var(--mobile-nav-height) + 12px); right: 12px; left: 12px; } .toast { min-width: unset; max-width: 100%; } } @media (max-width: 480px) { /* Stats 2-col stays but smaller */ .stat-card { padding: 16px; } .stat-icon { font-size: 24px; margin-bottom: 8px; } .stat-value { font-size: 26px; } /* Subject cards */ .subject-card { padding: 20px; } .subject-card-emoji { font-size: 32px; margin-bottom: 12px; } .subject-card-name { font-size: 16px; } /* Lesson content */ .lesson-content-header { padding: 18px 16px; } .lesson-body { padding: 16px; } .lesson-content-header h2 { font-size: 18px; } .upload-section { padding: 18px; } .drop-zone { padding: 28px 16px; } /* Brain Academy tabs on lesson page */ .lesson-tabs { gap: 6px; } }