:root,[data-theme=light]{color-scheme:light;--bg-page: #ffffff;--bg-page-accent: #f8fafc;--bg-surface: #ffffff;--bg-surface-muted: #f8fafc;--bg-surface-hover: #f1f5f9;--bg-overlay: rgba(15, 23, 42, .45);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--border-default: #e5e7eb;--border-strong: #d1d5db;--border-input: #d1d5db;--accent: #1e3a5f;--accent-hover: #152a45;--accent-text: #ffffff;--exam-code: #2563eb;--logo-text: #0a0a0a;--logo-accent: #f97316;--success-bg: #dcfce7;--success-text: #166534;--success-border: #16a34a;--success-soft: #f0fdf4;--error-bg: #fee2e2;--error-text: #991b1b;--error-border: #dc2626;--error-soft: #fef2f2;--danger-text: #b91c1c;--danger-bg: #fff1f2;--danger-border: #fecaca;--ai-bg: #f5f3ff;--ai-border: #ddd6fe;--ai-text: #5b21b6;--ai-accent: #7c3aed;--ai-button-bg: #f5f3ff;--ai-button-border: #c4b5fd;--font-explanation: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;--shadow-card: 0 1px 2px rgba(15, 23, 42, .04);--shadow-modal: 0 20px 50px rgba(15, 23, 42, .12);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 10px}[data-theme=dark]{color-scheme:dark;--bg-page: #0b1220;--bg-page-accent: #111827;--bg-surface: #151f32;--bg-surface-muted: #1a2438;--bg-surface-hover: #22304a;--bg-overlay: rgba(2, 6, 23, .72);--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #7c8aa0;--border-default: #2a3852;--border-strong: #3a4a67;--border-input: #3a4a67;--accent: #3b82f6;--accent-hover: #2563eb;--accent-text: #eff6ff;--exam-code: #60a5fa;--logo-text: #f8fafc;--logo-accent: #fb923c;--success-bg: #123225;--success-text: #86efac;--success-border: #22c55e;--success-soft: #173427;--error-bg: #3b1717;--error-text: #fca5a5;--error-border: #ef4444;--error-soft: #3a1717;--danger-text: #fca5a5;--danger-bg: #3b1717;--danger-border: #7f1d1d;--ai-bg: #221a3d;--ai-border: #4c3d7a;--ai-text: #c4b5fd;--ai-accent: #a78bfa;--ai-button-bg: #221a3d;--ai-button-border: #6d5ba8;--font-explanation: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;--shadow-card: 0 10px 30px rgba(0, 0, 0, .28);--shadow-modal: 0 20px 50px rgba(0, 0, 0, .45)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;min-width:320px;min-height:100vh;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:var(--text-primary);background:var(--bg-page);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button,input,select{font:inherit;color:inherit}#root{min-height:100vh}.app-shell{max-width:960px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(32px,env(safe-area-inset-bottom)) 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var(--border-default);background:var(--bg-surface-muted);color:var(--text-secondary);font-size:.92rem}.result-banner.success{background:var(--success-bg);color:var(--success-text)}.result-banner.error{background:var(--error-bg);color:var(--error-text)}.explanation{margin-top:16px;padding:18px 20px;border-radius:var(--radius-md);background:var(--bg-surface-muted);border:1px solid var(--border-default)}.explanation h3{margin:0 0 12px;font-size:1.05rem;font-weight:700;letter-spacing:-.01em}.explanation-markdown{font-family:var(--font-explanation);font-size:1.125rem;line-height:1.8;color:var(--text-primary);font-optical-sizing:auto}.explanation-markdown>:first-child{margin-top:0}.explanation-markdown>:last-child{margin-bottom:0}.explanation-markdown h3,.explanation-markdown h4{font-family:inherit;color:var(--text-primary);letter-spacing:-.02em;line-height:1.35}.explanation-markdown h3{margin:1.35rem 0 .65rem;font-size:1.3rem;font-weight:700}.explanation-markdown h4{margin:1.1rem 0 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70%,var(--text-primary))}.explanation-markdown-typing{display:inline}.explanation-markdown-typing>:last-child{display:inline;margin-bottom:0}.typing-cursor{display:inline-block;margin-left:2px;color:var(--ai-accent);font-weight:700;animation:typing-cursor-blink .9s steps(1) infinite;vertical-align:baseline}@keyframes typing-cursor-blink{0%,45%{opacity:1}46%,to{opacity:0}}.ai-explanation-loading{min-height:88px}.ai-explanation-icon-pulse{animation:ai-icon-pulse 1.4s ease-in-out infinite}@keyframes ai-icon-pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.08);opacity:.75}}.ai-thinking-text{margin:0;color:var(--ai-text);font-size:1rem;font-weight:600}.thinking-dots{display:inline-flex;margin-left:2px}.thinking-dot{animation:thinking-dot 1.2s infinite;opacity:0}.thinking-dot:nth-child(1){animation-delay:0s}.thinking-dot:nth-child(2){animation-delay:.2s}.thinking-dot:nth-child(3){animation-delay:.4s}@keyframes thinking-dot{0%,20%,to{opacity:0}50%{opacity:1}}.explanation-markdown-ai li::marker{color:var(--ai-accent)}.settings-help a{color:var(--accent)}.loading,.error-state,.empty-state{border:1px solid var(--border-default);border-radius:var(--radius-md);padding:28px 20px;text-align:center;color:var(--text-secondary)}.error-state{color:var(--error-text)}.mode-switch-three{grid-template-columns:repeat(3,minmax(0,1fr))}.test-intro,.test-session,.test-results{margin-top:8px}.test-intro{padding:24px;border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--bg-surface);box-shadow:none}.test-intro h2{margin:0 0 12px}.test-intro p{margin:0 0 16px;color:var(--text-secondary)}.test-intro-list{margin:0 0 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14%,var(--bg-surface));border-color:var(--accent);color:var(--text-primary)}.practice-toolbar{margin:0 0 24px;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}.practice-toolbar-row{display:grid;grid-template-columns:minmax(0,2fr) minmax(180px,1fr) auto;gap:16px;align-items:end}.practice-toolbar-field{display:flex;flex-direction:column;gap:6px;min-width:0}.practice-toolbar-label{font-size:.82rem;font-weight:600;color:var(--text-secondary)}.practice-toolbar-search-input,.practice-toolbar-select{width:100%}.page-size-switch{display:inline-flex;border:1px solid var(--border-default);border-radius:var(--radius-sm);overflow:hidden;width:fit-content}.page-size-button{border:0;background:var(--bg-surface-muted);color:var(--text-secondary);padding:8px 14px;font-size:.9rem;font-weight:600;cursor:pointer}.page-size-button+.page-size-button{border-left:1px solid var(--border-default)}.page-size-button.active{background:var(--accent);color:var(--accent-text)}.page-size-button:hover:not(.active){background:var(--bg-surface-hover)}.practice-toolbar-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px;font-size:.88rem;color:var(--text-muted)}.question-page{display:flex;flex-direction:column;gap:20px}.question-card-loading{padding:20px}.page-navigation{display:flex;flex-direction:column;align-items:stretch;gap:10px;width:100%;padding:8px 0 4px}.page-navigation-jump{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;white-space:nowrap}.page-navigation-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:100%}.page-navigation-prev,.page-navigation-next,.page-navigation-go{width:100%}.page-navigation-input{box-sizing:border-box;width:4.5rem;min-width:4.5rem;min-height:44px;padding:8px 10px;border-radius:var(--radius-sm);border:1px solid var(--border-input);background:var(--bg-surface);color:var(--text-primary);font:inherit;font-size:16px;text-align:center;-webkit-appearance:textfield;-moz-appearance:textfield;appearance:textfield}.page-navigation-input::-webkit-outer-spin-button,.page-navigation-input::-webkit-inner-spin-button{margin:0;-webkit-appearance:none;-moz-appearance:none;appearance:none}.page-navigation-input:focus{outline:2px solid color-mix(in srgb,var(--accent) 35%,transparent);outline-offset:1px}.page-navigation-go{min-width:52px;width:auto;flex-shrink:0}.page-navigation-label{font-size:.92rem;color:var(--text-secondary);font-weight:600;white-space:nowrap;flex-shrink:0}.page-nav-label-short{display:none}@media(min-width:768px){.page-navigation{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);grid-template-areas:"prev jump next";align-items:center;gap:12px}.page-navigation-jump{grid-area:jump;justify-self:center;width:auto}.page-navigation-controls{display:contents}.page-navigation-prev{grid-area:prev;justify-self:start;width:auto}.page-navigation-next{grid-area:next;justify-self:end;width:auto}.page-navigation-go{width:auto}}@media(max-width:480px){.page-nav-label-full{display:none}.page-nav-label-short{display:inline}.question-card{padding:16px}.question-meta{flex-direction:column;align-items:flex-start;gap:6px}.catalog-toolbar.practice-toolbar{grid-template-columns:1fr}.catalog-toolbar.practice-toolbar .page-size-switch{width:100%}.catalog-toolbar.practice-toolbar .page-size-button{flex:1 1 0;text-align:center}.catalog-toolbar-meta.practice-toolbar-meta{width:100%}.exam-hero-stats{flex-wrap:wrap;gap:12px}.site-header-inner{padding:max(12px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) 12px max(16px,env(safe-area-inset-left))}.site-main{padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}}.question-picker{margin-top:20px;padding-top:16px;border-top:1px solid var(--border-default)}.question-picker-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}.question-picker-count{font-size:.9rem;font-weight:600;color:var(--text-secondary)}.question-picker-legend{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.legend-item{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;color:var(--text-muted)}.legend-item:before{content:"";width:12px;height:12px;border-radius:999px;border:2px solid transparent}.legend-unanswered:before{border-color:var(--border-strong);background:var(--bg-surface)}.legend-correct:before{border-color:var(--success-border);background:var(--success-bg)}.legend-incorrect:before{border-color:var(--error-border);background:var(--error-bg)}.question-picker-bar{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px;border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--bg-surface);box-shadow:var(--shadow-card)}.question-picker-search{display:grid;gap:8px;margin-bottom:12px}.question-picker-search-label{font-size:.85rem;font-weight:600;color:var(--text-secondary)}.question-picker-search-row{display:grid;grid-template-columns:1fr auto;gap:8px}.question-picker-search-input{width:100%;min-height:44px}.question-picker-search-input[type=number]{-webkit-appearance:textfield;-moz-appearance:textfield;appearance:textfield}.question-picker-search-input[type=number]::-webkit-outer-spin-button,.question-picker-search-input[type=number]::-webkit-inner-spin-button{margin:0;-webkit-appearance:none;-moz-appearance:none;appearance:none}.question-picker-search-button{min-height:44px;padding:0 18px;border:1px solid var(--accent);border-radius:var(--radius-sm);background:var(--accent);color:var(--accent-text);font-size:.95rem;font-weight:700;cursor:pointer}.question-picker-search-button:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.question-picker-search-error{margin:0;color:var(--error-text);font-size:.85rem}.question-picker-scroll{min-width:0;overflow:hidden}.question-picker-nav-short{display:none}.question-picker-nav-full{display:inline}.question-picker-nav{flex-shrink:0;min-height:40px;padding:0 14px;border:1px solid var(--border-default);border-radius:999px;background:var(--bg-surface-muted);color:var(--text-primary);font-size:.9rem;font-weight:600;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.question-picker-nav:hover:not(:disabled){background:var(--bg-surface-hover);border-color:var(--border-strong)}.question-picker-nav:disabled{opacity:.45;cursor:not-allowed}.question-picker-track{display:flex;align-items:center;gap:8px;min-width:0;overflow-x:auto;overflow-y:hidden;padding:4px 2px 8px;scroll-behavior:smooth;scrollbar-width:thin;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;touch-action:pan-x;scroll-snap-type:x proximity}.question-picker-track::-webkit-scrollbar{height:6px}.question-picker-track::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px}.question-picker-item{flex-shrink:0;width:2.35rem;height:2.35rem;border-radius:999px;border:2px solid var(--border-strong);background:var(--bg-surface-muted);color:var(--text-secondary);font-size:.78rem;font-weight:700;line-height:1;cursor:pointer;scroll-snap-align:center;transition:transform .15s ease,background .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease}.question-picker-item:hover{transform:translateY(-1px);border-color:var(--accent)}.question-picker-item-current{color:var(--accent-text);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 24%,transparent);transform:scale(1.06)}.question-picker-item-on-page:not(.question-picker-item-current){box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 40%,transparent)}.question-picker-item-current.question-picker-item-unanswered{background:var(--accent);border-color:var(--accent)}.question-picker-item-unanswered:not(.question-picker-item-current){background:var(--bg-surface)}.question-picker-item-correct:not(.question-picker-item-current){background:var(--success-bg);border-color:var(--success-border);color:var(--success-text)}.question-picker-item-incorrect:not(.question-picker-item-current){background:var(--error-bg);border-color:var(--error-border);color:var(--error-text)}.question-picker-item-current.question-picker-item-correct,.question-picker-item-current.question-picker-item-incorrect{color:var(--text-primary);box-shadow:0 0 0 2px var(--bg-surface),0 0 0 4px var(--accent)}.text-input{width:100%;padding:12px;min-height:44px;border-radius:var(--radius-sm);border:1px solid var(--border-input);background:var(--bg-surface);font-size:16px}.password-input-wrap{position:relative}.password-input{padding-right:72px}.password-input-toggle{position:absolute;top:50%;right:8px;transform:translateY(-50%);border:0;border-radius:var(--radius-sm);background:transparent;color:var(--accent);font-size:.88rem;font-weight:600;padding:8px 10px;cursor:pointer}.password-input-toggle:hover{background:color-mix(in srgb,var(--accent) 10%,transparent)}.login-form-links{display:flex;justify-content:flex-end;margin-top:-4px}.text-link-button{border:0;background:transparent;color:var(--accent);font-size:.92rem;font-weight:600;padding:0;cursor:pointer}.text-link-button:hover{text-decoration:underline}.password-modal{width:min(480px,100%)}.password-modal-help{margin:0 0 16px;color:var(--text-secondary);line-height:1.5}.login-top-bar{display:flex;justify-content:flex-end;margin-bottom:8px}.login-form,.settings-form{display:grid;gap:12px;margin-top:20px}.field-label{font-weight:600;color:var(--text-primary)}.login-button{width:100%;margin-top:8px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-overlay);display:flex;align-items:flex-end;justify-content:center;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));z-index:1000}.modal-card{width:min(520px,100%);max-height:min(90vh,100%);overflow:auto;border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-modal)}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.modal-header 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0;color:var(--text-secondary);font-size:.9rem}.profile-history-date{color:var(--text-muted)!important;font-size:.82rem!important}.profile-results-view{display:flex;flex-direction:column;gap:16px}.app-logo{display:inline-flex;align-items:center}.app-logo-button{border:0;background:transparent;padding:0;cursor:pointer;text-align:left}.app-logo-wordmark{display:inline-flex;align-items:baseline;font-size:1.35rem;font-weight:800;letter-spacing:-.08em;line-height:1;color:var(--logo-text);text-transform:uppercase;white-space:nowrap}.app-logo-wordmark.sm{font-size:1.12rem}.app-logo-lmao{color:var(--logo-text)}.app-logo-exam{position:relative;display:inline-block;color:var(--logo-text)}.app-logo-exam:after{content:"";position:absolute;left:.04em;right:0;bottom:-.12em;height:.16em;min-height:3px;background:var(--logo-accent);border-radius:1px}.app-header-brand{display:flex;flex-direction:column;gap:4px}.exam-subtitle{margin:0;padding-left:50px}.login-subtitle{text-align:center;margin-top:8px}.home-page 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var(--border-default)}.site-header-inner{max-width:1120px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.site-header-left{display:flex;align-items:center;gap:28px;min-width:0}.site-header-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.site-nav{display:flex;align-items:center;gap:4px}.site-nav-link{position:relative;border:0;background:transparent;color:var(--text-secondary);font-size:.95rem;font-weight:500;padding:8px 10px 10px;border-radius:var(--radius-sm);cursor:pointer}.site-nav-link:hover,.site-nav-link.active{color:var(--text-primary)}.site-nav-link.active:after{content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;background:var(--logo-accent);border-radius:1px}.site-link-button{border:0;background:transparent;color:var(--text-secondary);font-size:.92rem;font-weight:500;padding:8px 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12px;font-size:clamp(2rem,5vw,3rem);line-height:1.08;letter-spacing:-.03em;font-weight:700}.catalog-hero-accent{display:block;color:var(--accent)}.catalog-hero-subtitle{margin:0;color:var(--text-secondary);font-size:1.02rem;line-height:1.65;max-width:640px}.catalog-toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:12px;align-items:center;margin-bottom:28px}.catalog-search-field{display:flex;align-items:center;gap:10px;min-width:0;border:1px solid var(--border-default);border-radius:var(--radius-sm);background:var(--bg-surface);padding:0 12px;min-height:42px}.catalog-search-icon{width:20px;height:20px;flex-shrink:0;color:var(--text-secondary)}.catalog-search-input{width:100%;border:0;background:transparent;padding:10px 0;outline:none;font-size:.95rem}.catalog-select{border:1px solid var(--border-default);border-radius:var(--radius-sm);background:var(--bg-surface);padding:10px 12px;min-height:42px;font-size:.92rem;color:var(--text-primary)}.catalog-toolbar-meta{display:flex;align-items:center;gap:12px;color:var(--text-muted);font-size:.88rem;grid-column:1 / -1}.catalog-toolbar-divider{width:1px;height:14px;background:var(--border-default)}.catalog-section{margin-bottom:36px}.catalog-section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}.catalog-section-head h2{margin:0;font-size:1.1rem;font-weight:700}.catalog-section-head span{color:var(--text-muted);font-size:.88rem}.exam-tile-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--border-default)}.exam-tile{display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-height:150px;padding:18px;border:0;border-right:1px solid var(--border-default);border-bottom:1px solid var(--border-default);background:var(--bg-surface);text-align:left;cursor:pointer;transition:background .15s ease}.exam-tile:nth-child(3n){border-right:0}.exam-tile:nth-last-child(-n+3){border-bottom:0}.exam-tile:hover{background:var(--bg-surface-hover)}.exam-tile-top{display:flex;width:100%;align-items:flex-start;justify-content:space-between;gap:8px}.exam-tile-code,.exam-row-code{color:var(--exam-code);font-size:.88rem;font-weight:600;letter-spacing:.02em}.exam-tile-arrow{width:14px;height:14px;color:var(--text-muted);flex-shrink:0}.exam-tile-title,.exam-row-title{font-size:1rem;line-height:1.35;color:var(--text-primary)}.exam-tile-meta,.exam-row-meta{color:var(--text-muted);font-size:.88rem}.exam-row-list{border:1px solid var(--border-default)}.exam-row{display:grid;grid-template-columns:110px minmax(0,1fr) auto;align-items:center;gap:16px;width:100%;padding:16px 18px;border:0;border-bottom:1px solid var(--border-default);background:var(--bg-surface);text-align:left;cursor:pointer}.exam-row:last-child{border-bottom:0}.exam-row:hover{background:var(--bg-surface-hover)}.exam-row-body{display:flex;flex-direction:column;gap:4px;min-width:0}.vendor-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--border-default)}.vendor-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:120px;padding:18px;border-right:1px solid var(--border-default);background:var(--bg-surface)}.vendor-card:last-child{border-right:0}.vendor-card-disabled{opacity:.55}.vendor-card-name{font-weight:700}.vendor-card-meta{color:var(--text-muted);font-size:.86rem}.exam-hero-panel{margin-bottom:24px;max-width:820px}.exam-hero-panel-compact{margin-bottom:18px}.exam-vendor-mark{display:inline-block;margin-bottom:14px;color:#f90;font-size:1.6rem;font-weight:700;letter-spacing:-.03em;text-transform:lowercase}.exam-hero-title{margin:0 0 10px;font-size:clamp(1.8rem,4vw,2.5rem);line-height:1.1;letter-spacing:-.03em}.exam-hero-description{margin:0 0 18px;color:var(--text-secondary);font-size:1rem;line-height:1.65;max-width:680px}.exam-hero-stats{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.exam-hero-stat{display:flex;flex-direction:column;gap:2px}.exam-hero-stat strong{font-size:1.35rem;line-height:1}.exam-hero-stat span{color:var(--text-muted);font-size:.72rem;font-weight:600;letter-spacing:.06em}.exam-hero-stat-divider{width:1px;height:28px;background:var(--border-default)}.practice-mode-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.mode-button-accent{margin-left:auto}.login-shell{min-height:100vh;display:flex;flex-direction:column;background:var(--bg-page)}.login-layout{flex:1;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,420px);min-height:calc(100vh - 1px)}.login-hero-panel{position:relative;overflow:hidden;border-right:1px solid var(--border-default);isolation:isolate}.login-hero-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden}.login-hero-bg-image{position:absolute;top:-12%;right:-12%;bottom:-12%;left:-12%;width:124%;height:124%;object-fit:cover;filter:blur(28px) saturate(1.15);transform:scale(1.08)}.login-hero-bg-scrim{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(145deg,color-mix(in srgb,var(--bg-page) 94%,transparent),color-mix(in srgb,var(--bg-page) 88%,var(--accent) 12%) 55%,color-mix(in srgb,var(--bg-page) 92%,transparent))}[data-theme=dark] .login-hero-bg-scrim{background:linear-gradient(145deg,color-mix(in srgb,var(--bg-page) 96%,transparent),color-mix(in srgb,var(--bg-page) 84%,var(--accent) 16%) 55%,color-mix(in srgb,var(--bg-page) 94%,transparent))}.login-hero-inner{position:relative;z-index:1;display:flex;flex-direction:column;min-height:100%;padding:max(28px,env(safe-area-inset-top)) clamp(28px,4vw,56px) clamp(32px,5vw,56px) max(28px,env(safe-area-inset-left))}.login-hero-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:clamp(32px,6vh,72px)}.login-hero-content{max-width:680px;margin-top:auto;margin-bottom:auto}.login-hero-eyebrow{margin:0 0 12px;color:var(--text-muted);font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.login-hero-title{margin:0 0 18px;font-size:clamp(2.4rem,5vw,3.8rem);line-height:1.02;letter-spacing:-.03em}.login-hero-accent{display:block;color:var(--accent)}.login-hero-copy{margin:0 0 28px;color:var(--text-secondary);font-size:clamp(1rem,2vw,1.12rem);line-height:1.7;max-width:560px}.login-highlight-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:28px}.login-highlight-card{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border:1px solid color-mix(in srgb,var(--border-default) 80%,transparent);border-radius:var(--radius-md);background:color-mix(in srgb,var(--bg-surface) 72%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.login-highlight-label{color:var(--text-muted);font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.login-highlight-value{color:var(--text-primary);font-size:1.2rem;line-height:1.1;letter-spacing:-.02em}.login-highlight-detail{color:var(--text-secondary);font-size:.86rem;line-height:1.4}.login-hero-proof{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:clamp(1rem,2vw,1.12rem);line-height:1.5}.login-hero-bottom{display:flex;align-items:center;justify-content:space-between;gap:clamp(20px,4vw,48px);width:100%;margin-top:auto;padding-top:clamp(24px,4vh,40px)}.login-hero-stars{color:var(--logo-accent);letter-spacing:.08em}.login-panel{display:flex;flex-direction:column;justify-content:center;padding:max(28px,env(safe-area-inset-top)) max(28px,env(safe-area-inset-right)) max(28px,env(safe-area-inset-bottom)) clamp(28px,4vw,48px);background:var(--bg-surface-muted)}.login-panel-title{margin:0 0 6px;font-size:1.5rem}.login-panel-subtitle{margin:0;color:var(--text-secondary)}.home-sponsor,.login-sponsor,.hero-sponsor{display:flex;align-items:center;gap:14px}.hero-sponsor{flex-shrink:0;margin-left:auto}.hero-sponsor .sponsor-label{font-size:clamp(1rem,2vw,1.12rem);letter-spacing:.02em;text-transform:none;color:var(--text-secondary)}.hero-sponsor .sponsor-logo{height:40px;width:auto}.home-sponsor{margin-bottom:28px;padding:14px 18px;border:1px solid var(--border-default);border-radius:var(--radius-md);background:var(--bg-surface);width:fit-content}.login-sponsor{flex-direction:column;align-items:flex-start;gap:10px;margin-top:28px;padding-top:24px;border-top:1px solid var(--border-default)}.sponsor-label{color:var(--text-muted);font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.sponsor-link{display:inline-flex;align-items:center}.sponsor-logo{display:block;width:auto;height:32px;max-width:min(100%,200px);object-fit:contain}.site-footer{border-top:1px solid var(--border-default);background:var(--bg-surface);margin-top:auto}.site-footer-inner{max-width:1120px;margin:0 auto;padding:40px 20px 28px}.site-footer-top{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1.8fr);gap:40px;padding-bottom:32px}.site-footer-brand{display:flex;flex-direction:column;gap:14px;max-width:360px}.site-footer-tagline{margin:0;color:var(--text-secondary);font-size:.92rem;line-height:1.65}.site-footer-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.site-footer-column-title{margin:0 0 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1fr}.site-footer-bottom{flex-direction:column;align-items:flex-start}.mode-button-accent{margin-left:0;width:100%}.practice-mode-bar{display:grid;grid-template-columns:1fr 1fr}.practice-mode-bar .mode-button-accent{grid-column:1 / -1}}@media(max-width:380px){.mode-switch,.stats-bar{grid-template-columns:1fr}}.admin-import-main{max-width:1200px;margin:0 auto}.admin-import-hero{margin-bottom:24px}.admin-import-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:20px;align-items:start}.admin-import-form-card,.admin-import-preview-card{border:1px solid var(--border-default);border-radius:var(--radius-lg);background:var(--bg-surface);padding:20px}.admin-import-form-card h2,.admin-import-preview-card h2{margin:0 0 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var(--border-default);border-radius:var(--radius-md);padding:12px;font:inherit;color:var(--text-primary);background:var(--bg-elevated)}.admin-import-textarea:disabled{opacity:.6;cursor:not-allowed}.admin-import-actions{display:flex;flex-wrap:wrap;gap:10px}.admin-import-secondary{background:transparent;color:var(--text-primary);border:1px solid var(--border-default)}.admin-import-success{padding:12px;border-radius:var(--radius-md);background:color-mix(in srgb,#16a34a 12%,transparent);color:#166534;border:1px solid color-mix(in srgb,#16a34a 30%,transparent)}.admin-import-empty{color:var(--text-secondary);margin:0}.admin-import-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0 0 16px}.admin-import-stats div{border:1px solid var(--border-default);border-radius:var(--radius-md);padding:10px}.admin-import-stats dt{margin:0;font-size:.8rem;color:var(--text-secondary)}.admin-import-stats dd{margin:4px 0 0;font-weight:700}.admin-import-warnings{margin-bottom:16px;padding:12px;border-radius:var(--radius-md);background:color-mix(in srgb,#f59e0b 12%,transparent);border:1px solid color-mix(in srgb,#f59e0b 30%,transparent)}.admin-import-warnings p{margin:0;color:#92400e}.admin-import-samples{display:grid;gap:12px}.admin-import-sample{border:1px solid var(--border-default);border-radius:var(--radius-md);padding:12px}.admin-import-sample header{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-bottom:8px;color:var(--text-secondary);font-size:.85rem}.admin-import-sample p{margin:0;line-height:1.5}@media(max-width:960px){.admin-import-layout{grid-template-columns:1fr}.admin-import-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}.admin-manage-tabs{display:flex;gap:8px;margin-bottom:20px}.admin-manage-tab{border:1px solid var(--border-default);background:var(--bg-elevated);color:var(--text-secondary);border-radius:var(--radius-md);padding:10px 16px;font:inherit;cursor:pointer}.admin-manage-tab.active{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.admin-manage-banner{margin-bottom:16px}.admin-manage-card{margin-top:0}.admin-manage-card-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.admin-manage-card-header h2{margin:0}.admin-manage-table-wrap{overflow-x:auto}.admin-manage-table{width:100%;border-collapse:collapse}.admin-manage-table th,.admin-manage-table td{padding:12px 14px;border-bottom:1px solid var(--border-default);text-align:left;vertical-align:middle}.admin-manage-table th{color:var(--text-secondary);font-size:.9rem;font-weight:600}.admin-manage-table code{font-size:.92rem}.admin-manage-role{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:.85rem;text-transform:capitalize;background:color-mix(in srgb,var(--text-secondary) 12%,transparent)}.admin-manage-role.admin{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent)}.admin-manage-actions-cell{text-align:right;white-space:nowrap}.admin-manage-delete-button{border:1px solid color-mix(in srgb,#dc2626 35%,transparent);background:color-mix(in srgb,#dc2626 8%,transparent);color:#b91c1c;border-radius:var(--radius-md);padding:6px 12px;font:inherit;cursor:pointer}.admin-manage-delete-button:hover{background:color-mix(in srgb,#dc2626 14%,transparent)}.admin-manage-test-count{display:flex;align-items:center;gap:8px;min-width:150px}.admin-manage-test-count-input{width:72px;padding:6px 8px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);color:var(--text-primary);font:inherit}.admin-manage-save-button{border:1px solid var(--border);background:var(--surface-elevated);color:var(--text-primary);border-radius:var(--radius-md);padding:6px 10px;font:inherit;cursor:pointer}.admin-manage-save-button:disabled{opacity:.55;cursor:not-allowed}.confirm-modal{max-width:480px}.confirm-modal-message{margin:0;line-height:1.5;color:var(--text-secondary)}.confirm-modal-actions{display:flex;justify-content:flex-end;gap:10px;padding:0 20px 20px}.confirm-modal-danger{background:#dc2626}.confirm-modal-danger:hover{background:#b91c1c}