:root{-webkit-tap-highlight-color:transparent;color-scheme:light;--bg: #fafafa;--surface: #ffffff;--surface-soft: #f5f5f5;--text: #111827;--text-secondary: #6b7280;--muted: #9ca3af;--line: #e5e7eb;--accent: #3b82f6;--accent-soft: #eff6ff;--accent-hover: #2563eb;--success: #22c55e;--success-soft: #f0fdf4;--warning: #f59e0b;--warning-soft: #fffbeb;--danger: #ef4444;--danger-soft: #fef2f2;--info: #6366f1;--info-soft: #eef2ff;--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 10px 25px rgba(0, 0, 0, .04);--shadow-lg: 0 0 0 1px rgba(0, 0, 0, .05), 0 20px 40px rgba(0, 0, 0, .08);--radius: 12px;--radius-sm: 8px;--radius-lg: 16px;--font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Monaco", "Menlo", "Consolas", "Liberation Mono", "Courier New", monospace}:root[data-theme=dark]{color-scheme:dark;--bg: #0a0a0a;--surface: #111111;--surface-soft: #1a1a1a;--text: #f9fafb;--text-secondary: #d1d5db;--muted: #9ca3af;--line: #2a2a2a;--accent: #60a5fa;--accent-soft: #1e3a8a;--accent-hover: #93c5fd;--success: #4ade80;--success-soft: #052e16;--warning: #fbbf24;--warning-soft: #452b08;--danger: #f87171;--danger-soft: #450a0a;--info: #818cf8;--info-soft: #1e1b4b;--shadow: 0 1px 3px rgba(0, 0, 0, .2), 0 10px 25px rgba(0, 0, 0, .3);--shadow-lg: 0 0 0 1px rgba(255, 255, 255, .05), 0 20px 40px rgba(0, 0, 0, .4)}*{box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{margin:0;min-width:320px;background:var(--bg);color:var(--text);font-family:var(--font-family);line-height:1.6;font-weight:400}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}img,svg{max-width:100%;display:block}.container{width:min(1200px,calc(100% - 48px));margin:0 auto}@media(max-width:480px){.container{width:min(1200px,calc(100% - 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button{border:0;background:transparent;color:var(--accent);cursor:pointer;font-size:.8rem;font-weight:500;padding:0}.search-bar__popover-header button:hover{opacity:.8}.search-bar__result{display:grid;gap:3px;width:100%;padding:10px 12px;border:0;border-radius:var(--radius-sm);background:transparent;text-align:left;cursor:pointer;transition:all .12s ease;font-family:inherit}.search-bar__result:hover{background:var(--surface-soft)}.search-bar__result-subject{color:var(--accent);font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.search-bar__result-question{font-weight:500;font-size:.9rem;color:var(--text)}.search-bar__result-date{color:var(--muted);font-size:.78rem}.search-bar__empty{margin:0;padding:16px 12px;color:var(--muted);font-size:.875rem;text-align:center}.page{width:min(1200px,calc(100% - 32px));margin:0 auto;padding:24px 0 20px}.page-heading{max-width:780px;margin-bottom:36px}.page-heading--compact{margin-bottom:24px}.eyebrow{margin:0 0 10px;letter-spacing:.04em}h1,h2,h3,h4,p{margin-top:0;font-weight:inherit}h1{margin-bottom:16px;font-size:clamp(2.25rem,5vw,3.5rem);line-height:1.1;letter-spacing:-.03em;font-weight:700;color:var(--text)}h2{margin-bottom:0;font-size:1.25rem;font-weight:600;color:var(--text)}h3{margin-bottom:8px;font-size:1.125rem;font-weight:600;color:var(--text)}h4{margin-bottom:8px;font-size:.875rem;color:var(--muted);text-transform:uppercase;font-weight:600;letter-spacing:.04em;display:flex;align-items:center;gap:6px}p{color:var(--text-secondary);line-height:1.7;margin-bottom:0}.stats-row,.chip-row{display:flex;flex-wrap:wrap;gap:8px}.stats-row span,.tag,.chip{display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:.875rem;font-weight:500;transition:all .15s ease}.tag:hover{background:var(--surface-soft)}.home-hero{max-width:720px;margin-bottom:48px}.home-hero__eyebrow{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;margin:0 0 12px;border:1px solid color-mix(in srgb,var(--accent) 25%,var(--line));border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.home-hero h1{margin-bottom:20px;font-size:clamp(2.7rem,4vw,2.5rem);line-height:1.2;letter-spacing:-.03em;font-weight:700;color:var(--text);white-space:nowrap}@media(max-width:480px){.home-hero h1{white-space:normal;font-size:2rem;line-height:1.2}.home-hero__stat-value{min-width:24px;height:20px}.home-hero__stat-value .loader-wrapper{height:20px}.home-hero__stat-value .loader-wrapper>div{height:20px!important}.home-hero__stat{height:24px;line-height:24px}.home-section-heading__count{padding:3px 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.loader-wrapper>div{height:24px!important;display:inline-flex;align-items:center;vertical-align:middle}.home-hero__stat-value strong{line-height:24px;display:inline-block;vertical-align:middle}.home-search{margin-bottom:48px}.home-search__label{display:block;margin-bottom:10px;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.home-search__input-wrap{position:relative}.home-search__input-wrap .search-icon{left:16px}.home-search__input{width:100%;height:52px;padding:0 20px 0 48px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:1rem;outline:none;transition:all .2s ease;box-shadow:var(--shadow)}.home-search__input::placeholder{color:var(--muted)}.home-search__input:focus{border-color:var(--accent);box-shadow:0 0 0 3px 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ease,background .2s ease;box-shadow:var(--shadow)}.home-filter-bar__input::placeholder{color:var(--muted)}.home-filter-bar__input:hover{border-color:color-mix(in srgb,var(--accent) 18%,var(--line))}.home-filter-bar__input:focus{border-color:color-mix(in srgb,var(--accent) 65%,var(--line))}.subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.subject-card{display:grid;min-height:230px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);text-align:left;cursor:pointer;transition:transform .2s cubic-bezier(.16,1,.3,1),box-shadow .2s cubic-bezier(.16,1,.3,1);outline:none;width:100%}.subject-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.subject-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.subject-card:active{transform:scale(.98)}.subject-card__top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.subject-card__icon-wrap{transition:transform .2s cubic-bezier(.16,1,.3,1)}.subject-card:hover .subject-card__icon-wrap{transform:scale(1.05)}.subject-card__arrow{color:var(--muted);transition:transform .2s cubic-bezier(.16,1,.3,1),color .2s cubic-bezier(.16,1,.3,1);margin-top:4px}.subject-card:hover .subject-card__arrow{transform:translate(4px);color:var(--accent)}.icon-badge{width:42px;height:42px;border-radius:var(--radius-sm);color:var(--accent)}.icon-badge--sm{width:30px;height:30px}.subject-card__title{margin:0 0 8px;font-size:1.125rem;font-weight:600;color:var(--text);letter-spacing:-.01em}.subject-card__desc{margin:0 0 20px;font-size:.9rem;line-height:1.6;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.subject-card__meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;transition:opacity .2s cubic-bezier(.16,1,.3,1)}.subject-card:hover .subject-card__meta{opacity:.9}.subject-card__meta span{display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:.875rem;font-weight:500;transition:all .15s ease}.home-search-results{margin-top:16px;display:grid;gap:8px}.home-search-result{display:grid;gap:4px;width:100%;padding:14px 18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);text-align:left;cursor:pointer;transition:all .15s ease}.home-search-result:hover{border-color:color-mix(in srgb,var(--accent) 30%,var(--line));background:var(--surface-soft)}.home-search-result:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.home-search-result__subject{color:var(--accent);font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.home-search-result__question{font-weight:500;color:var(--text)}.subjects-loading{height:4px;width:100%;margin-bottom:24px;overflow:hidden;transition:opacity .2s ease}.subjects-loading.is-hidden{visibility:hidden;opacity:0}.home-error{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:60px 20px;text-align:center}.home-error__icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;background:var(--danger-soft);color:var(--danger)}.home-error h3{margin:0;font-size:1.25rem;font-weight:600;color:var(--text)}.home-error p{margin:0;max-width:400px;color:var(--muted)}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:500;white-space:nowrap}.badge--private{border:1px solid var(--warning);background:var(--warning-soft);color:#92400e}:root[data-theme=dark] .badge--private{border-color:var(--warning);background:#452b08;color:#fbbf24}.badge--free{border:1px solid var(--info);background:var(--info-soft);color:#3730a3}:root[data-theme=dark] .badge--free{border-color:var(--info);background:#172554;color:#93c5fd}.badge--premium{border:1px solid #a855f7;background:#faf5ff;color:#7e22ce}:root[data-theme=dark] .badge--premium{border-color:#a855f7;background:#3b0764;color:#d8b4fe}.badge--difficulty-easy{border:1px solid var(--success);background:var(--success-soft);color:#15803d}:root[data-theme=dark] .badge--difficulty-easy{border-color:var(--success);background:#052e16;color:#4ade80}.badge--difficulty-medium{border:1px solid #f97316;background:#fff7ed;color:#c2410c}:root[data-theme=dark] .badge--difficulty-medium{border-color:#f97316;background:#431407;color:#fb923c}.badge--difficulty-hard{border:1px solid var(--danger);background:var(--danger-soft);color:#b91c1c}:root[data-theme=dark] .badge--difficulty-hard{border-color:var(--danger);background:#450a0a;color:#f87171}.filter-bar{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-soft);box-shadow:var(--shadow)}.filter-group{display:flex;flex-direction:column;gap:6px;flex:1 1 180px;min-width:0}.filter-group label{margin:0;padding-left:4px;font-size:.75rem;font-weight:500;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}.dropdown{position:relative;display:flex;flex-direction:column;gap:6px;flex:1 1 180px;min-width:0}.dropdown__label{margin:0;padding-left:4px;font-size:.75rem;font-weight:500;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}.dropdown__trigger{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;height:42px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);font-size:.95rem;font-weight:500;cursor:pointer;transition:border-color .15s ease,box-shadow .15s ease}.dropdown__trigger:hover{border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}.dropdown__trigger--open{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.dropdown__chevron{color:var(--muted);flex-shrink:0;transition:transform .2s ease}.dropdown__trigger--open .dropdown__chevron{transform:rotate(180deg)}.dropdown__menu{position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:40;margin:0;padding:6px;list-style:none;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);box-shadow:var(--shadow-lg);transform-origin:top center;transform:scaleY(.95) translateY(-4px);opacity:0;pointer-events:none;transition:transform .18s ease,opacity .18s ease}.dropdown__menu--open{transform:scaleY(1) translateY(0);opacity:1;pointer-events:auto}.dropdown__option{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;padding:10px 12px;border:0;border-radius:6px;background:transparent;color:var(--text);font-size:.95rem;font-weight:500;text-align:left;cursor:pointer;transition:background .15s ease,color .15s ease}.dropdown__option:hover{background:var(--surface-soft)}.dropdown__option--active{color:var(--accent);background:var(--accent-soft)}.dropdown__option svg{color:var(--accent);flex-shrink:0}.topic-section{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--line)}.topic-section:last-child{border-bottom:0}.topic-section--collapsed{margin-bottom:16px;padding-bottom:8px}.topic-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}.topic-header--toggle{width:100%;border:0;background:transparent;cursor:pointer;text-align:left;font:inherit;color:inherit;transition:color .15s ease}.topic-header--toggle:hover{color:var(--accent)}.topic-header__title{display:inline-flex;align-items:center;gap:8px}.topic-chevron{color:var(--muted);transition:transform .2s ease;flex-shrink:0}.topic-chevron--collapsed{transform:rotate(-90deg)}.topic-body{display:grid;grid-template-rows:1fr;transition:grid-template-rows .3s ease,opacity .3s ease;opacity:1}.topic-body--collapsed{grid-template-rows:0fr;opacity:0}.topic-body>.question-list{overflow:hidden;min-height:0}.topic-header h2{margin:0;font-size:1.25rem;font-weight:600;color:var(--text)}.topic-count{display:inline-flex;align-items:center;padding:4px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface-soft);color:var(--muted);font-size:.875rem;font-weight:500}.topic-admin-section{margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--line)}.topic-admin-section:last-child{border-bottom:0}.topic-admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line)}.topic-admin-header h3{margin:0;font-size:1.125rem;font-weight:600;color:var(--text)}.text-button{display:inline-flex;align-items:center;gap:8px;margin-bottom:22px;padding:0;background:transparent;color:var(--muted);font-weight:500;transition:color .15s ease}.text-button:hover{color:var(--accent)}.subject-heading{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:start;margin-bottom:26px;padding-bottom:24px;border-bottom:1px solid var(--line)}.subject-heading h1{font-size:clamp(2.3rem,5vw,4rem)}.subject-heading__meta{min-width:160px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);text-align:right}.subject-heading__meta strong{display:block;font-size:2rem;font-weight:700;color:var(--text)}.subject-heading__meta span,.subject-heading__meta small{display:block;color:var(--muted)}.question-list{display:grid;gap:12px}.question-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:0 1px 3px #0000000d;transition:all .15s ease}.question-card:hover{box-shadow:var(--shadow)}.question-card__summary{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;padding:18px 20px;border:0;background:transparent;cursor:pointer;font:inherit;font-weight:500;color:inherit;text-align:left;transition:background .15s 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ease;font-family:inherit;padding:0;-webkit-tap-highlight-color:transparent}.icon-button:hover{color:var(--accent)}.icon-button:focus{outline:none}.icon-button--xs{width:30px;height:30px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s ease;-webkit-tap-highlight-color:transparent}.icon-button--xs:hover{border-color:var(--accent);color:var(--accent)}.spin{animation:spin .9s linear infinite}.bookmark-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--muted);cursor:pointer;transition:all .2s 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var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.content-section{padding:20px}.result-list{display:grid;gap:8px;margin-top:14px}.dashboard-layout{display:grid;grid-template-columns:340px 1fr;gap:20px;align-items:start}.admin-panel{padding:20px}.admin-panel--main{min-width:0}.stack-form{display:grid;gap:14px;margin-top:16px}.stack-form--wide{margin:22px 0;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}label{display:grid;gap:7px;color:var(--muted);font-size:.875rem;font-weight:500}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);outline:none;font-size:.95rem;transition:border-color .22s ease,box-shadow .22s ease,background .22s ease,transform .18s ease}input:hover,textarea:hover,select:hover{border-color:color-mix(in srgb,var(--accent) 22%,var(--line))}input,select{height:42px;padding:0 12px}textarea{resize:vertical;padding:14px;line-height:1.7;min-height:140px}input:focus,textarea:focus,select:focus{border-color:color-mix(in srgb,var(--accent) 65%,var(--line))}.form-field{display:grid;gap:6px}.primary-button,.danger-button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 18px;border-radius:var(--radius-sm);font-weight:500;font-size:.925rem;transition:all .15s ease;cursor:pointer;border:none}.primary-button{background:var(--accent);color:#fff}.primary-button:hover{background:var(--accent-hover)}.primary-button:active{opacity:.9}.danger-button{border:1px solid color-mix(in srgb,var(--danger) 25%,var(--line));background:var(--danger-soft);color:var(--danger)}.danger-button:hover{background:color-mix(in srgb,var(--danger) 20%,var(--danger-soft))}.danger-button:active{opacity:.8}.danger-button--icon{width:38px;min-height:38px;padding:0}.button{background:var(--surface);border:1px solid var(--line);color:var(--text)}.button:hover,.button:active{background:var(--surface-soft)}.button--primary{width:100%;margin-top:4px;background:var(--accent);color:#fff}.button--primary:hover{background:var(--accent-hover)}.button--primary:active{opacity:.9}.button--small{min-height:34px;padding:0 12px;font-size:.875rem}.button:disabled{opacity:.4;cursor:not-allowed}.admin-list,.question-admin-list{display:grid;gap:8px;margin-top:18px}.admin-list__item{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;width:100%;min-height:46px;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:transparent;text-align:left;cursor:pointer;transition:all .15s ease}.admin-list__item:hover{background:var(--surface-soft)}.admin-list__item.active{background:var(--accent-soft)}.admin-list__item small{color:var(--muted);font-weight:500;background:var(--surface);padding:2px 8px;border-radius:999px;border:1px solid var(--line);font-size:.8rem}.admin-heading{display:flex;justify-content:space-between;gap:16px;align-items:start}.inline-edit,.form-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:10px}.question-admin-item{display:grid;gap:10px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.question-admin-item__footer span,.compact{margin:0;color:var(--muted);font-size:.875rem}.note-item{cursor:default}.note-item__link{display:inline-flex;align-items:center;gap:8px;padding:4px 8px;border:0;background:transparent;color:var(--accent);font-size:1rem;text-align:left;cursor:pointer;font-weight:500;transition:all .15s ease;border-radius:var(--radius-sm);margin:-4px -8px}.note-item__link:hover{background:var(--accent-soft);text-decoration:none}.dashboard-tabs{display:flex;gap:0;margin-bottom:22px;border-bottom:1px solid var(--line)}.dashboard-tab{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted);font-weight:500;cursor:pointer;white-space:nowrap;transition:all .15s ease}.dashboard-tab--active{border-bottom-color:var(--accent);color:var(--text)}.dashboard-tab:hover{color:var(--text)}.users-toolbar{display:flex;gap:12px;align-items:center;margin-bottom:18px}.users-filter{width:auto;min-width:150px}.user-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.user-table{width:100%;border-collapse:collapse;font-size:.95rem}.user-table th{padding:14px 16px;text-align:left;color:var(--muted);font-weight:500;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--line);background:var(--surface-soft);white-space:nowrap}.user-table td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle}.user-table tr:last-child td{border-bottom:0}.user-table tr:hover td{background:var(--surface-soft)}.user-table__name{font-weight:500;color:var(--text)}.user-role-select-wrap{display:inline-flex;align-items:center;gap:6px;position:relative}.user-role-select{width:auto;min-width:100px;height:34px;padding:0 28px 0 10px;font-size:.875rem;appearance:auto}.user-role-spinner{position:absolute;right:6px;color:var(--muted);pointer-events:none}.empty-state{width:100%;padding:60px 20px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}.empty-state h3{margin:0 0 12px;font-size:1.25rem;font-weight:600;color:var(--text)}.empty-state p{margin:0 auto 20px;max-width:480px}.toast{position:fixed;right:22px;bottom:22px;z-index:60;display:inline-flex;align-items:center;gap:10px;max-width:min(360px,calc(100vw - 32px));min-height:44px;padding:12px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);box-shadow:var(--shadow-lg);color:var(--text)}.toast--success svg{color:var(--success)}.toast--error{border-color:color-mix(in srgb,var(--danger) 35%,var(--line));background:var(--danger-soft)}.toast--error svg{color:var(--danger)}.toast--loading svg{color:var(--muted);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{width:100%;max-width:420px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-lg);overflow:hidden}.modal__header{display:flex;align-items:center;justify-content:flex-end;padding:20px 20px 0}.modal__header h2{font-size:1.35rem;font-weight:600;color:var(--text)}.modal__tabs{display:flex;gap:0;margin:14px 20px 0;border-bottom:1px solid var(--line)}.modal__tab{flex:1;padding:10px 0;border:0;border-bottom:2px solid transparent;background:transparent;font-weight:500;cursor:pointer;color:var(--muted);transition:all .15s ease}.modal__tab--active{border-bottom-color:var(--accent);color:var(--text)}.modal__error{margin:12px 20px 0;padding:10px 14px;border-radius:var(--radius-sm);background:var(--danger-soft);color:var(--danger);font-size:.875rem}.modal__form{display:grid;gap:16px;padding:18px 20px 22px}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:0;border-radius:50%;background:transparent;color:var(--text-secondary);cursor:pointer;transition:color .15s ease;font-family:inherit;padding:0;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.theme-toggle:hover{color:var(--accent)}.theme-toggle:active{transform:scale(.92)}.theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.theme-toggle__icon{display:inline-flex;align-items:center;justify-content:center;line-height:0}.user-menu{display:flex;align-items:center;gap:8px;position:relative}.user-menu__login{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border:0;border-radius:10px;background:transparent;color:var(--text-secondary);font-size:.85rem;font-weight:500;cursor:pointer;transition:color .15s ease;font-family:inherit}.user-menu__login:hover{color:var(--accent)}.user-menu__signup{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border:0;border-radius:10px;background:transparent;color:var(--text-secondary);font-size:.85rem;font-weight:500;cursor:pointer;transition:color .15s ease;font-family:inherit}.user-menu__signup:hover{color:var(--accent)}.user-menu__signup:active{transform:scale(.97)}.user-menu--logged{position:relative}.user-menu__avatar-trigger{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:0;border-radius:50%;background:transparent;color:var(--text-secondary);cursor:pointer;transition:color .15s ease;padding:0;font-family:inherit;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.user-menu__avatar-trigger:hover{color:var(--accent)}.user-menu__avatar-trigger:active{transform:scale(.92)}.user-menu__avatar-trigger:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.user-menu__avatar-icon{display:inline-flex;align-items:center;justify-content:center;color:currentColor}.user-menu__dropdown{position:absolute;top:calc(100% + 10px);right:0;z-index:40;width:300px;padding:0;border:1px solid var(--line);border-radius:18px;background:#ffffffd9;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);box-shadow:0 0 0 1px #00000008,0 20px 60px #0000001f;overflow:hidden;transform-origin:top right}:root[data-theme=dark] .user-menu__dropdown{background:#121212d9}.user-menu__dropdown-header{display:flex;align-items:center;gap:14px;padding:18px 20px}.user-menu__dropdown-avatar{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--accent-soft),color-mix(in srgb,var(--accent) 10%,var(--surface)));color:var(--accent);font-size:.95rem;font-weight:700;letter-spacing:.02em;flex-shrink:0}.user-menu__dropdown-info{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}.user-menu__dropdown-name{font-weight:600;font-size:.95rem;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu__dropdown-email{font-size:.8rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu__dropdown-body{padding:6px}.user-menu__dropdown-item{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border:0;border-radius:10px;background:transparent;color:var(--text);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .15s ease;font-family:inherit;text-align:left}.user-menu__dropdown-item:hover{background:var(--surface-soft);transform:translate(2px)}.user-menu__dropdown-item-icon{display:inline-flex;align-items:center;justify-content:center;width:20px;color:var(--muted);flex-shrink:0}.user-menu__dropdown-item:hover .user-menu__dropdown-item-icon{color:var(--accent)}.user-menu__dropdown-item-label{flex:1}.user-menu__dropdown-item-chevron{color:var(--line);opacity:0;transition:all .15s ease}.user-menu__dropdown-item:hover .user-menu__dropdown-item-chevron{opacity:1;color:var(--muted)}.user-menu__dropdown-item--danger,.user-menu__dropdown-item--danger .user-menu__dropdown-item-icon{color:var(--danger)}.user-menu__dropdown-item--danger:hover{background:var(--danger-soft)}.user-menu__dropdown-item--danger:hover .user-menu__dropdown-item-icon{color:var(--danger)}.user-menu__dropdown-divider{height:1px;margin:4px 12px;background:var(--line)}.mobile-search-overlay{position:fixed;inset:0;z-index:55;background:#0000004d;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.mobile-search{position:fixed;top:0;left:0;right:0;z-index:56;padding:16px;background:#ffffffd1;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid color-mix(in srgb,white 20%,transparent);box-shadow:0 10px 35px #0000001f;transform-origin:top center}:root[data-theme=dark] .mobile-search{background:#121212d1;border-bottom:1px solid color-mix(in srgb,white 12%,transparent)}.mobile-search__inner{display:flex;align-items:center;gap:12px}.mobile-search__inner .search-bar{flex:1}.mobile-search__close{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid color-mix(in srgb,white 25%,transparent);border-radius:50%;background:#fff6;color:var(--text-secondary);cursor:pointer;transition:all .15s ease;flex-shrink:0;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.mobile-search__close:hover{border-color:var(--accent);color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--surface-soft));transform:translateY(-1px)}.mobile-search__close:focus{outline:none}.mobile-menu__overlay{position:fixed;inset:0;z-index:60;background:#0006;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.mobile-menu{position:fixed;top:0;right:0;bottom:0;z-index:61;width:min(380px,85vw);display:flex;flex-direction:column;background:#ffffffd9;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-left:1px solid color-mix(in srgb,white 20%,transparent);box-shadow:-8px 0 30px #00000014;overflow-y:auto;-webkit-overflow-scrolling:touch}:root[data-theme=dark] .mobile-menu{background:#121212d9;border-left:1px solid color-mix(in srgb,white 12%,transparent)}.mobile-menu__header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}.mobile-menu__header .brand{border:0;background:transparent;cursor:pointer;padding:0;display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1rem;letter-spacing:-.02em;color:var(--text);font-family:inherit;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.mobile-menu__header .brand:focus{outline:none}.mobile-menu__header .brand__mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--accent)}.mobile-menu__close{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--line);border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .15s ease;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.mobile-menu__close:hover{border-color:var(--accent);color:var(--accent)}.mobile-menu__close:focus{outline:none}.mobile-menu__user{padding:16px 20px;border-bottom:1px solid var(--line)}.mobile-menu__user-info{display:flex;align-items:center;gap:12px}.mobile-menu__user-avatar{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--accent-soft);color:var(--accent);flex-shrink:0}.mobile-menu__user-details{display:flex;flex-direction:column;gap:2px;min-width:0}.mobile-menu__user-name{font-weight:600;font-size:.95rem;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-menu__user-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;background:#faf5ff;color:#7e22ce;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;width:fit-content}:root[data-theme=dark] 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