@import "https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap";:root{--bg-primary:#090d16;--bg-secondary:#0f172a;--bg-tertiary:#1e293b;--card-bg:#0f172aa6;--card-border:#ffffff0f;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--primary:#6366f1;--primary-hover:#4f46e5;--primary-glow:#6366f159;--primary-light:#6366f11f;--accent:#d946ef;--success:#10b981;--success-glow:#10b9814d;--success-light:#10b9811f;--error:#f43f5e;--error-glow:#f43f5e4d;--error-light:#f43f5e1f;--warning:#f59e0b;--warning-light:#f59e0b1f;--border-color:#1e293b;--shadow:0 10px 30px -10px #00000080;--transition:all .3s cubic-bezier(.4, 0, .2, 1);--font-family:"Cairo", "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--sidebar-width:260px}[data-theme=light]{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-tertiary:#f1f5f9;--card-bg:#ffffffd9;--card-border:#0000000d;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--primary:#4f46e5;--primary-hover:#4338ca;--primary-glow:#4f46e533;--primary-light:#4f46e514;--accent:#c084fc;--success:#059669;--success-glow:#05966933;--success-light:#05966914;--error:#e11d48;--error-glow:#e11d4833;--error-light:#e11d4814;--warning:#d97706;--warning-light:#d9770614;--border-color:#e2e8f0;--shadow:0 10px 30px -15px #0f172a14}*{box-sizing:border-box;margin:0;padding:0}html,body{overflow-x:hidden;max-width:100%}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);direction:rtl;min-height:100vh;transition:background-color .3s,color .3s}button,input,select,textarea{font-family:inherit;font-size:inherit}a{color:inherit;text-decoration:none}.app-container{min-height:100vh;display:flex;width:100%;max-width:100%;overflow-x:hidden}.main-content{margin-right:var(--sidebar-width);flex:1;min-height:100vh;padding:2rem;transition:margin-right .3s;min-width:0}@media (width<=992px){.main-content{margin-right:0;padding:5rem 1rem 1.5rem}}.glass-card{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--card-border);box-shadow:var(--shadow);transition:var(--transition);border-radius:16px;padding:1.75rem;width:100%;max-width:100%}.glass-card.interactive:hover{border-color:var(--primary-light);box-shadow:0 12px 28px -10px var(--primary-glow);transform:translateY(-4px)}.btn{cursor:pointer;transition:var(--transition);border:none;border-radius:12px;outline:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px var(--primary-glow)}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 6px 20px var(--primary-glow);transform:translateY(-2px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--border-color);transform:translateY(-2px)}.btn-success{background:var(--success);color:#fff;box-shadow:0 4px 14px var(--success-glow)}.btn-success:hover{box-shadow:0 6px 20px var(--success-glow);background:#059669;transform:translateY(-2px)}.btn-danger{background:var(--error);color:#fff;box-shadow:0 4px 14px var(--error-glow)}.btn-danger:hover{box-shadow:0 6px 20px var(--error-glow);background:#e11d48;transform:translateY(-2px)}.btn-icon{border-radius:10px;width:42px;height:42px;padding:0}.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none!important;transform:none!important}.form-group{margin-bottom:1.25rem}.form-label{color:var(--text-primary);margin-bottom:.5rem;font-size:.9rem;font-weight:600;display:block}.form-control{background:var(--bg-primary);border:1.5px solid var(--border-color);width:100%;color:var(--text-primary);transition:var(--transition);border-radius:12px;outline:none;padding:.75rem 1rem;font-size:.95rem}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light)}.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");background-position:1rem;background-repeat:no-repeat;background-size:1.25rem;padding-left:2.5rem}.login-wrapper{background:radial-gradient(circle at 10% 20%,#6366f126 0%,#0000 40%),radial-gradient(circle at 90% 80%,#d946ef1a 0%,#0000 40%);justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex}.login-card{text-align:center;width:100%;max-width:440px;padding:2.5rem 2rem}.logo-icon{background:var(--primary-light);width:64px;height:64px;color:var(--primary);border:1px solid var(--card-border);border-radius:20px;justify-content:center;align-items:center;margin-bottom:1.5rem;font-size:2rem;display:inline-flex;box-shadow:0 8px 20px #6366f126}.login-title{background:linear-gradient(135deg, var(--text-primary) 30%, var(--primary) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:1.75rem;font-weight:800}.login-subtitle{color:var(--text-secondary);margin-bottom:2rem;font-size:.95rem}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-left:1px solid var(--border-color);z-index:100;flex-direction:column;padding:1.5rem;transition:transform .3s;display:flex;position:fixed;top:0;bottom:0;right:0}.sidebar-logo{color:var(--text-primary);align-items:center;gap:.75rem;margin-bottom:2.5rem;font-size:1.25rem;font-weight:800;display:flex}.sidebar-logo span{color:var(--primary)}.sidebar-menu{flex-direction:column;flex:1;gap:.5rem;list-style:none;display:flex}.sidebar-link{color:var(--text-secondary);transition:var(--transition);cursor:pointer;border-radius:12px;align-items:center;gap:.85rem;padding:.85rem 1rem;font-weight:500;display:flex}.sidebar-link:hover{background:var(--bg-tertiary);color:var(--text-primary)}.sidebar-link.active{background:var(--primary-light);color:var(--primary);font-weight:700}.sidebar-footer{border-top:1px solid var(--border-color);margin-top:auto;padding-top:1.25rem}.mobile-header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:90;justify-content:space-between;align-items:center;padding:1rem;display:none;position:fixed;top:0;left:0;right:0}@media (width<=992px){.mobile-header{display:flex}.sidebar{transform:translate(100%)}.sidebar.open{transform:translate(0)}}.dashboard-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:2rem;display:grid}.stat-card{align-items:center;gap:1.25rem;display:flex}.stat-icon{border-radius:14px;justify-content:center;align-items:center;width:52px;height:52px;font-size:1.5rem;display:inline-flex}.stat-icon.primary{background:var(--primary-light);color:var(--primary)}.stat-icon.success{background:var(--success-light);color:var(--success)}.stat-icon.danger{background:var(--error-light);color:var(--error)}.stat-icon.warning{background:var(--warning-light);color:var(--warning)}.stat-info{flex-direction:column;display:flex}.stat-value{font-size:1.6rem;font-weight:800;line-height:1.2}.stat-label{color:var(--text-secondary);font-size:.85rem}.dashboard-sections{grid-template-columns:2fr 1fr;gap:1.5rem;display:grid}@media (width<=768px){.dashboard-sections{grid-template-columns:1fr}}.section-header{justify-content:space-between;align-items:center;margin-bottom:1.25rem;display:flex}.section-title{align-items:center;gap:.5rem;font-size:1.25rem;font-weight:700;display:flex}.list-container{flex-direction:column;gap:.75rem;display:flex}.list-item{background:var(--bg-tertiary);border:1px solid var(--card-border);transition:var(--transition);border-radius:12px;justify-content:space-between;align-items:center;padding:1rem;display:flex}.list-item:hover{border-color:var(--border-color);transform:translate(-2px)}.study-options{max-width:500px;margin:0 auto}.question-card{max-width:700px;margin:0 auto;position:relative}.category-tag{background:var(--primary-light);color:var(--primary);border-radius:20px;margin-bottom:1rem;padding:.25rem .75rem;font-size:.8rem;font-weight:700;display:inline-block}.question-text{margin-bottom:1.5rem;font-size:1.25rem;font-weight:700;line-height:1.6}.options-list{grid-template-columns:1fr;gap:.85rem;margin-bottom:1.5rem;display:grid}.option-btn{text-align:right;background:var(--bg-primary);border:1.5px solid var(--border-color);width:100%;color:var(--text-primary);cursor:pointer;transition:var(--transition);border-radius:12px;align-items:center;gap:.75rem;padding:1rem 1.25rem;font-weight:500;display:flex}.option-letter{background:var(--bg-tertiary);width:28px;height:28px;color:var(--text-secondary);transition:var(--transition);border-radius:8px;justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:flex}.option-btn:hover:not(:disabled){border-color:var(--primary);background:var(--bg-tertiary)}.option-btn:hover:not(:disabled) .option-letter{background:var(--primary);color:#fff}.option-btn.correct{border-color:var(--success);background:var(--success-light)}.option-btn.correct .option-letter{background:var(--success);color:#fff}.option-btn.incorrect{border-color:var(--error);background:var(--error-light)}.option-btn.incorrect .option-letter{background:var(--error);color:#fff}.feedback-container{border:1px solid #0000;border-radius:12px;margin-bottom:1.5rem;padding:1.25rem;animation:.3s slideUp}.feedback-container.success{background:var(--success-light);border-color:#10b98133}.feedback-container.error{background:var(--error-light);border-color:#f43f5e33}.feedback-title{align-items:center;gap:.5rem;margin-bottom:.5rem;font-size:1.1rem;font-weight:800;display:flex}.feedback-desc{color:var(--text-primary);font-size:.95rem;line-height:1.6}.exam-layout{grid-template-columns:3fr 1fr;gap:1.5rem;max-width:1000px;margin:0 auto;display:grid}@media (width<=768px){.exam-layout{grid-template-columns:1fr}}.exam-nav-panel{flex-direction:column;gap:1.25rem;display:flex;position:sticky;top:2rem}.exam-nav-grid{grid-template-columns:repeat(5,1fr);gap:.5rem;display:grid}.exam-nav-num{aspect-ratio:1;border:1.5px solid var(--border-color);background:var(--bg-primary);color:var(--text-secondary);cursor:pointer;transition:var(--transition);border-radius:8px;justify-content:center;align-items:center;font-size:.9rem;font-weight:700;display:flex}.exam-nav-num:hover{border-color:var(--primary);color:var(--primary)}.exam-nav-num.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.exam-nav-num.answered{background:var(--bg-tertiary);border-color:var(--text-muted);color:var(--text-primary)}.exam-timer-wrapper{background:var(--bg-tertiary);border:1px solid var(--card-border);border-radius:12px;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding:.75rem 1.25rem;font-weight:700;display:flex}.exam-timer-text{font-family:Plus Jakarta Sans,monospace;font-size:1.25rem}.exam-timer-wrapper.danger{color:var(--error);border-color:#f43f5e4d;animation:1s infinite pulse}.leaderboard-table{border-collapse:collapse;width:100%;margin-top:1rem;min-width:650px}.leaderboard-table th,.leaderboard-table td{text-align:right;border-bottom:1px solid var(--border-color);padding:1rem}.leaderboard-table th{color:var(--text-secondary);font-weight:600}.leaderboard-row{transition:var(--transition)}.leaderboard-row:hover{background:var(--bg-tertiary)}.rank-badge{border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:.9rem;font-weight:800;display:flex}.rank-badge.rank-1{color:#451a03;background:linear-gradient(135deg,#fcd34d 0%,#d97706 100%)}.rank-badge.rank-2{color:#0f172a;background:linear-gradient(135deg,#e2e8f0 0%,#94a3b8 100%)}.rank-badge.rank-3{color:#431407;background:linear-gradient(135deg,#fdba74 0%,#c2410c 100%)}.rank-badge.rank-other{background:var(--bg-tertiary);color:var(--text-secondary)}.admin-tabs{border-bottom:1px solid var(--border-color);gap:.5rem;margin-bottom:1.5rem;padding-bottom:.5rem;display:flex;overflow-x:auto}.admin-tab{cursor:pointer;color:var(--text-secondary);transition:var(--transition);white-space:nowrap;border-radius:8px;padding:.6rem 1.25rem;font-weight:600}.admin-tab:hover{color:var(--text-primary);background:var(--bg-tertiary)}.admin-tab.active{background:var(--primary-light);color:var(--primary)}.admin-table-wrapper{border:1px solid var(--border-color);border-radius:12px;margin-top:1rem;overflow-x:auto;width:100%;max-width:100%}.admin-table{border-collapse:collapse;width:100%;min-width:700px}.admin-table th,.admin-table td{text-align:right;border-bottom:1px solid var(--border-color);padding:1rem;font-size:.9rem}.admin-table th{background:var(--bg-tertiary);color:var(--text-secondary);font-weight:700}.admin-table tr:last-child td{border-bottom:none}.actions-cell{gap:.5rem;display:flex}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;background:#000000b3;justify-content:center;align-items:center;padding:1.5rem;display:flex;position:fixed;inset:0}.modal-content{width:100%;max-width:600px;max-height:90vh;animation:.3s zoomIn;overflow-y:auto}.toast-container{z-index:300;pointer-events:none;flex-direction:column;gap:.75rem;display:flex;position:fixed;bottom:1.5rem;left:1.5rem}.toast{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);pointer-events:auto;border-right:4px solid var(--primary);border-radius:12px;align-items:center;gap:.75rem;min-width:280px;max-width:400px;padding:1rem 1.25rem;animation:.3s forwards slideInLeft;display:flex;box-shadow:0 10px 25px -5px #0000004d}.toast.success{border-right-color:var(--success)}.toast.error{border-right-color:var(--error)}.toast.warning{border-right-color:var(--warning)}.theme-toggle{color:var(--text-secondary);cursor:pointer;width:40px;height:40px;transition:var(--transition);border:none;border:1px solid var(--border-color);background:0 0;border-radius:50%;justify-content:center;align-items:center;font-size:1.25rem;display:flex}.theme-toggle:hover{background:var(--bg-tertiary);color:var(--text-primary)}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes zoomIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-100%)}to{opacity:1;transform:translate(0)}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.empty-state{text-align:center;color:var(--text-secondary);padding:3rem 1.5rem}.empty-icon{margin-bottom:1rem;font-size:3rem}.skeleton{background:linear-gradient(90deg, var(--bg-tertiary) 25%, var(--border-color) 50%, var(--bg-tertiary) 75%);background-size:200% 100%;border-radius:8px;animation:1.5s infinite skeleton-loading}.skeleton-text{height:1.25rem;margin-bottom:.5rem}.skeleton-title{width:50%;height:2rem;margin-bottom:1rem}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}