@import"https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;600;700;900&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #f7f5f0;--bg-secondary: #ffffff;--bg-panel: #efeae0;--accent: #c9a84c;--accent-hover: #b8952f;--accent-from: #d4a843;--accent-to: #c09535;--navy: #1a2740;--navy-light: #243352;--text: #1a2740;--text-muted: rgba(26, 39, 64, .7);--text-dim: #6b7a90;--border: rgba(26, 39, 64, .1);--border-hover: rgba(26, 39, 64, .22);--danger: #ef4444;--warning: #f59e0b;--shadow: 0 4px 20px rgba(26, 39, 64, .1);--shadow-lg: 0 12px 40px rgba(26, 39, 64, .14);--shadow-glow: 0 8px 28px rgba(201, 168, 76, .28);--card-radius: 16px;--btn-primary-text: #fff;--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(255, 255, 255, .55);--option-correct-bg: rgba(34, 197, 94, .1);--option-wrong-bg: rgba(239, 68, 68, .08);--dot-bg: rgba(26, 39, 64, .07)}[data-theme=dark]{--bg: #0d1117;--bg-secondary: #161b22;--bg-panel: #0d1117;--text: #e6e1d6;--text-muted: rgba(230, 225, 214, .75);--text-dim: #8b949e;--border: rgba(201, 168, 76, .13);--border-hover: rgba(201, 168, 76, .3);--shadow: 0 4px 20px rgba(0, 0, 0, .55);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .7);--shadow-glow: 0 8px 28px rgba(201, 168, 76, .2);--glass-bg: rgba(22, 27, 34, .8);--glass-border: rgba(201, 168, 76, .12);--btn-primary-text: #0d1117;--option-correct-bg: rgba(34, 197, 94, .1);--option-wrong-bg: rgba(239, 68, 68, .1);--dot-bg: rgba(201, 168, 76, .07)}html,body,#root{height:100%}body{font-family:Roboto,system-ui,-apple-system,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s ease,color .3s ease}.btn{padding:12px 26px;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .25s cubic-bezier(.4,0,.2,1);display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;letter-spacing:.01em;position:relative;overflow:hidden}.btn:after{content:"";position:absolute;inset:0;background:#fff0;transition:background .2s ease;border-radius:inherit}.btn:hover:after{background:#ffffff12}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--accent-from) 0%,var(--accent-to) 100%);color:var(--btn-primary-text);box-shadow:0 4px 14px #c9a84c59}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-glow);transform:translateY(-2px) scale(1.01)}.btn-primary:active:not(:disabled){transform:translateY(0) scale(.99);box-shadow:0 2px 8px #c9a84c40}.btn-secondary{background:var(--bg-panel);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-secondary);border-color:var(--border-hover);transform:translateY(-1px);box-shadow:var(--shadow)}[data-theme=dark] .btn-secondary{background:#1a274099}[data-theme=dark] .btn-secondary:hover:not(:disabled){background:#243352cc}.btn-outline{background:transparent;color:var(--accent);border:1.5px solid var(--accent);padding:11px 26px;border-radius:12px;cursor:pointer;font-weight:600;font-size:15px;transition:all .25s ease;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit}.btn-outline:hover{background:linear-gradient(135deg,var(--accent-from),var(--accent-to));color:#fff;border-color:transparent;box-shadow:var(--shadow-glow);transform:translateY(-2px)}.btn-danger{background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.25)}.btn-danger:hover{background:#ef4444;color:#fff;border-color:transparent;box-shadow:0 6px 20px #ef444459;transform:translateY(-1px)}.btn-full{width:100%;padding:16px 24px;font-size:16px}.btn-sm{padding:7px 16px;font-size:13px;border-radius:8px}.btn-lg{padding:15px 36px!important;font-size:16px!important;border-radius:14px!important}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px;position:relative;overflow:hidden}:root .login-page{background:linear-gradient(145deg,#f7f5f0,#efeae0,#f0ece4)}[data-theme=dark] .login-page{background:linear-gradient(145deg,#0d1117,#0a0f1a,#0d1117)}.login-page:before{content:"";position:absolute;top:-30%;left:-20%;width:60%;height:60%;background:radial-gradient(ellipse at center,rgba(201,168,76,.12) 0%,transparent 65%);pointer-events:none;animation:floatOrb 8s ease-in-out infinite}.login-page:after{content:"";position:absolute;bottom:-20%;right:-15%;width:50%;height:50%;background:radial-gradient(ellipse at center,rgba(26,39,64,.08) 0%,transparent 65%);pointer-events:none;animation:floatOrb 10s ease-in-out infinite reverse}@keyframes floatOrb{0%,to{transform:translate(0) scale(1)}50%{transform:translate(2%,3%) scale(1.04)}}.login-card{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:20px;border:1px solid var(--glass-border);padding:44px 40px;width:100%;max-width:430px;position:relative;z-index:1;box-shadow:var(--shadow-lg)}:root .login-card{box-shadow:0 8px 40px #1a274021}[data-theme=dark] .login-card{box-shadow:0 8px 48px #0000008c}.login-header{text-align:center;margin-bottom:36px}.login-icon{display:inline-flex;align-items:center;justify-content:center;width:68px;height:68px;background:linear-gradient(135deg,#c9a84c26,#c9a84c0d);border-radius:50%;margin-bottom:20px;font-size:34px;border:1px solid rgba(201,168,76,.2)}.login-logo{width:100px;height:100px;object-fit:contain;margin-bottom:18px}.login-header h1{font-size:30px;font-weight:800;color:var(--text);margin-bottom:8px;letter-spacing:-.02em}.login-header p{color:var(--text-muted);font-size:15px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:500;font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.form-group input{width:100%;padding:14px 18px;background:var(--bg);border:1.5px solid var(--border);border-radius:12px;font-size:15px;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;outline:none;font-family:inherit}.form-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #c9a84c1f}.form-group input::placeholder{color:var(--text-dim);opacity:.6}.error-msg{background:#ef444414;color:#ef4444;padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14px;font-weight:500;border:1px solid rgba(239,68,68,.18)}.app-layout{display:flex;min-height:100vh}.sidebar{width:16rem;background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;z-index:50;transition:all .3s ease}:root .sidebar{background:#efeae0d9;box-shadow:4px 0 20px #1a274012}[data-theme=dark] .sidebar{background:#0d1117e6;box-shadow:4px 0 24px #0006}.sidebar-logo{padding:22px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.sidebar-logo-img{width:42px;height:42px;object-fit:contain;border-radius:10px}.sidebar-logo .logo-text{font-size:15px;font-weight:700;color:var(--text);letter-spacing:-.01em}.sidebar-logo .logo-sub{font-size:11px;color:var(--text-dim);font-weight:400}.sidebar nav{flex:1;padding:14px 12px;overflow-y:auto}.menu-list{list-style:none;padding:0}.menu-list li{margin-bottom:4px}.menu-btn{width:100%;display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;background:transparent;color:var(--text-dim);font-weight:500;cursor:pointer;transition:all .18s ease;border:none;text-align:left;font-family:inherit;font-size:14px}.menu-btn:hover{background:#c9a84c14;color:var(--text)}.menu-btn.active{background:linear-gradient(135deg,var(--accent-from) 0%,var(--accent-to) 100%);color:#fff;box-shadow:0 4px 14px #c9a84c4d}[data-theme=dark] .menu-btn.active{color:#0d1117}.menu-btn .menu-icon{font-size:18px;width:22px;text-align:center;flex-shrink:0}.sidebar-footer{padding:14px 12px;border-top:1px solid var(--border)}.sidebar-user{display:flex;align-items:center;gap:10px;margin-bottom:12px;padding:8px 10px;border-radius:10px;background:#c9a84c0f}.user-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent-from),var(--accent-to));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff;flex-shrink:0}[data-theme=dark] .user-avatar{color:#0d1117}.user-name{font-weight:600;font-size:14px;color:var(--text)}.user-role{font-size:11px;color:var(--text-dim)}.main-content{flex:1;margin-left:16rem;padding:28px;overflow-y:auto;min-height:100vh}.bottom-nav{display:none;align-items:center;justify-content:space-around;gap:4px;position:fixed;left:0;right:0;bottom:0;height:4.5rem;padding:0 8px 2px;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border);z-index:60}.bottom-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:4px 12px;background:transparent;border:none;color:var(--text-dim);font-size:10px;font-weight:500;cursor:pointer;transition:color .15s ease,transform .15s ease;min-width:60px;font-family:inherit;border-radius:10px}.bottom-btn .b-icon{font-size:21px;line-height:1;transition:transform .15s ease}.bottom-btn.active{color:var(--accent);transform:translateY(-2px)}.bottom-btn.active .b-icon{background:linear-gradient(135deg,var(--accent-from),var(--accent-to));border-radius:10px;padding:6px 8px;font-size:18px;box-shadow:0 4px 12px #c9a84c66;color:#fff}[data-theme=dark] .bottom-btn.active .b-icon{color:#0d1117}.page-header{margin-bottom:2.5rem}.page-header h1{font-size:34px;font-weight:800;margin-bottom:8px;letter-spacing:-.03em;color:var(--text)}.page-header p{color:var(--text-muted);font-size:16px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:2.5rem}.stat-card{background:var(--bg-secondary);border-radius:var(--card-radius);border:1px solid var(--border);padding:26px 24px;transition:all .25s ease;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-from),var(--accent-to));opacity:0;transition:opacity .25s ease}.stat-card:hover{border-color:var(--border-hover);transform:translateY(-3px);box-shadow:var(--shadow)}.stat-card:hover:before{opacity:1}.stat-card .stat-icon{font-size:26px;margin-bottom:14px}.stat-card .stat-value{font-size:30px;font-weight:800;color:var(--text);margin-bottom:4px;letter-spacing:-.02em}.stat-card .stat-label{color:var(--text-muted);font-size:13px;font-weight:500}.section-title{font-size:24px;font-weight:800;color:var(--text);margin-bottom:1.25rem;letter-spacing:-.02em}.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-bottom:2.5rem}.category-card{background:var(--bg-secondary);border-radius:var(--card-radius);border:1px solid var(--border);padding:32px 28px;transition:all .3s cubic-bezier(.4,0,.2,1);overflow:hidden;position:relative;cursor:pointer}.category-card:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-from),var(--accent-to));transform:scaleX(0);transform-origin:left;transition:transform .3s ease}.category-card:hover{transform:translateY(-6px);border-color:#c9a84c4d;box-shadow:var(--shadow-lg)}.category-card:hover:after{transform:scaleX(1)}.category-card .card-icon{display:inline-flex;align-items:center;justify-content:center;width:58px;height:58px;background:linear-gradient(135deg,#c9a84c24,#c9a84c0f);border-radius:14px;font-size:28px;margin-bottom:18px;border:1px solid rgba(201,168,76,.15)}.category-card h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px;letter-spacing:-.01em}.category-card .card-desc{color:var(--text-muted);font-size:14px;margin-bottom:20px;line-height:1.65}.category-card .card-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.category-card .card-count{color:var(--accent);font-weight:700;font-size:13px}.results-section{margin-top:2.5rem}.results-table-wrap{background:var(--bg-secondary);border-radius:var(--card-radius);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow)}.results-table{width:100%;border-collapse:collapse}.results-table th,.results-table td{padding:14px 22px;text-align:left;border-bottom:1px solid var(--border)}.results-table th{background:#c9a84c0a;color:var(--text-muted);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.08em}.results-table td{font-size:14px;color:var(--text);font-weight:500}.results-table tbody tr{transition:background .15s ease}.results-table tbody tr:hover{background:#c9a84c0a}.results-table tbody tr:last-child td{border-bottom:none}.badge{padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;display:inline-block}.badge-pass{background:#c9a84c24;color:var(--accent)}.badge-fail{background:#ef44441f;color:#ef4444}.test-page{max-width:820px;margin:0 auto;padding:10px 14px;height:100vh;display:flex;flex-direction:column;overflow:hidden;gap:0}.test-topbar{display:flex;justify-content:space-between;align-items:center;background:var(--bg-secondary);border-radius:14px;border:1px solid var(--border);padding:10px 18px;flex-shrink:0;margin-bottom:8px;box-shadow:var(--shadow)}.test-topbar h2{font-size:15px;color:var(--text);font-weight:700;letter-spacing:-.01em}.test-info{display:flex;gap:14px;font-weight:600;font-size:13px;align-items:center}.timer{color:var(--accent);display:flex;align-items:center;gap:5px;font-variant-numeric:tabular-nums}.counter{color:var(--text-muted);font-variant-numeric:tabular-nums}.score-display{display:flex;align-items:center;gap:8px;font-weight:700;font-size:13px}.score-correct{color:#22c55e}.score-wrong{color:#ef4444}.score-limit{color:var(--text-dim);font-weight:400}.test-finished-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 18px;border-radius:12px;margin-bottom:8px;font-weight:600;font-size:14px;animation:slideDown .3s cubic-bezier(.4,0,.2,1);flex-shrink:0}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.test-finished-banner.pass{background:#22c55e1a;border:1px solid rgba(34,197,94,.28);color:#22c55e}.test-finished-banner.fail{background:#ef44441a;border:1px solid rgba(239,68,68,.28);color:#ef4444}.progress-bar{height:4px;background:var(--border);border-radius:4px;flex-shrink:0;margin-bottom:8px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-from),var(--accent-to));border-radius:4px;transition:width .35s cubic-bezier(.4,0,.2,1);box-shadow:0 0 6px #c9a84c66}.question-card{background:var(--bg-secondary);border-radius:14px;border:1px solid var(--border);padding:20px;flex:1;overflow-y:auto;min-height:0;margin-bottom:8px;box-shadow:var(--shadow)}.question-number{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:linear-gradient(135deg,#c9a84c24,#c9a84c0f);border-radius:7px;color:var(--accent);font-weight:700;font-size:12px;margin-bottom:10px;border:1px solid rgba(201,168,76,.18)}.question-text{font-size:16px;font-weight:500;margin-bottom:16px;line-height:1.55;color:var(--text)}.options-list{display:flex;flex-direction:column;gap:8px}.option-btn{display:flex;align-items:center;gap:12px;padding:12px 16px;border:1.5px solid var(--border);border-radius:11px;background:var(--bg);cursor:pointer;transition:all .18s ease;text-align:left;font-size:14px;color:var(--text);font-family:inherit;font-weight:500}.option-btn:hover{border-color:var(--accent);background:#c9a84c0d;transform:translate(3px)}.option-btn.selected{border-color:var(--accent);background:#c9a84c17}.option-letter{width:32px;height:32px;border-radius:8px;background:var(--bg-panel);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;color:var(--text-muted);flex-shrink:0;transition:all .18s ease}.option-btn.selected .option-letter{background:linear-gradient(135deg,var(--accent-from),var(--accent-to));color:#fff}[data-theme=dark] .option-btn.selected .option-letter{color:#0d1117}.option-btn.option-correct{border-color:#22c55e!important;background:#22c55e1a!important}.option-btn.option-correct .option-letter{background:#22c55e!important;color:#fff!important}.option-btn.option-wrong{border-color:#ef4444!important;background:#ef44441a!important}.option-btn.option-wrong .option-letter{background:#ef4444!important;color:#fff!important}.option-btn.option-disabled{opacity:.32}.option-btn:disabled{cursor:default}.option-btn:disabled:hover{border-color:var(--border);background:var(--bg);transform:none}.option-btn.option-correct:disabled:hover{border-color:#22c55e!important;background:#22c55e1a!important}.option-btn.option-wrong:disabled:hover{border-color:#ef4444!important;background:#ef44441a!important}.option-icon{margin-left:auto;font-size:18px;font-weight:700;flex-shrink:0}.option-correct .option-icon{color:#22c55e}.option-wrong .option-icon{color:#ef4444}.test-nav{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-shrink:0;padding:6px 0 2px}.question-dots{display:flex;gap:4px;flex-wrap:wrap;justify-content:center;max-height:72px;overflow-y:auto}.dot{width:28px;height:28px;border-radius:7px;border:1.5px solid var(--border);background:var(--dot-bg);font-size:10px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .18s ease;color:var(--text-dim);font-family:inherit;flex-shrink:0}.dot:hover{border-color:var(--border-hover);transform:scale(1.08)}.dot-current{background:linear-gradient(135deg,var(--accent-from),var(--accent-to));color:#fff;border-color:transparent;box-shadow:0 3px 10px #c9a84c59}[data-theme=dark] .dot-current{color:#0d1117}.dot-answered{border-color:var(--accent);color:var(--accent);background:#c9a84c17}.dot-current.dot-answered{background:linear-gradient(135deg,var(--accent-from),var(--accent-to));color:#fff;border-color:transparent}.dot-correct{border-color:#22c55e!important;background:#22c55e26!important;color:#22c55e!important}.dot-wrong{border-color:#ef4444!important;background:#ef444426!important;color:#ef4444!important}.dot-current.dot-correct{background:#22c55e!important;color:#fff!important;box-shadow:0 3px 10px #22c55e59}.dot-current.dot-wrong{background:#ef4444!important;color:#fff!important;box-shadow:0 3px 10px #ef444459}.results-page{min-height:100vh;background:var(--bg)}.results-topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;border-bottom:1px solid var(--border);background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.results-topbar .logo{font-size:18px;font-weight:800;color:var(--accent);letter-spacing:-.02em}.result-showcase{text-align:center;padding:52px 20px;max-width:520px;margin:0 auto}.circle-progress{width:180px;height:180px;margin:0 auto 36px;position:relative}.circle-progress svg{transform:rotate(-90deg);width:100%;height:100%;filter:drop-shadow(0 4px 16px rgba(201,168,76,.15))}.circle-bg{fill:none;stroke:var(--border);stroke-width:8}.circle-fill{fill:none;stroke-width:8;stroke-linecap:round;transition:stroke-dasharray 1.2s cubic-bezier(.4,0,.2,1)}.circle-progress.pass .circle-fill{stroke:#22c55e;filter:drop-shadow(0 0 6px rgba(34,197,94,.4))}.circle-progress.fail .circle-fill{stroke:#ef4444;filter:drop-shadow(0 0 6px rgba(239,68,68,.4))}.circle-text{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}.circle-percent{font-size:36px;font-weight:800;letter-spacing:-.03em}.pass .circle-percent{color:#22c55e}.fail 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p{font-size:16px}.tickets-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:12px}.ticket-card{background:var(--bg-secondary);border:1.5px solid var(--border);border-radius:14px;padding:20px 14px;text-align:center;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;align-items:center;gap:4px;font-family:inherit;color:var(--text)}.ticket-card:hover{transform:translateY(-5px);border-color:var(--accent);box-shadow:var(--shadow-glow)}.ticket-number{font-size:28px;font-weight:800;color:var(--accent);letter-spacing:-.02em}.ticket-label{font-size:12px;color:var(--text-muted);font-weight:600}.ticket-count{font-size:11px;color:var(--text-dim)}.topics-list{display:flex;flex-direction:column;gap:8px}.topic-card{background:var(--bg-secondary);border:1.5px solid var(--border);border-radius:14px;padding:16px 20px;cursor:pointer;transition:all .22s 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