:root{color-scheme:light;--bg: #ffffff;--bg-secondary: #f8f9fa;--panel: #ffffff;--ink: #1a1a1a;--ink-muted: #6b7280;--line: #e5e7eb;--line-secondary: #f3f4f6;--accent: #3b82f6;--accent-hover: #2563eb;--accent-fg: #3b82f6;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--star: #fbbf24;--star-active: #fbbf24;--btn-primary-bg: #3b82f6;--btn-primary-hover: #2563eb;--btn-danger-bg: #ef4444;--btn-danger-hover: #dc2626;--shadow: 0 1px 2px rgba(0, 0, 0, .05);--shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-large: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius: 8px;--radius-medium: 12px;--radius-large: 16px}[data-theme=dark]{color-scheme:dark;--bg: #0f172a;--bg-secondary: #1e293b;--panel: #1e293b;--ink: #e2e8f0;--ink-muted: #94a3b8;--line: #334155;--line-secondary: #1e293b;--accent: #60a5fa;--accent-hover: #3b82f6;--accent-fg: #60a5fa;--success: #34d399;--danger: #f87171;--warning: #fbbf24;--star: #fbbf24;--star-active: #fbbf24;--btn-primary-bg: #3b82f6;--btn-primary-hover: #2563eb;--btn-danger-bg: #ef4444;--btn-danger-hover: #dc2626;--shadow: 0 1px 2px rgba(0, 0, 0, .3);--shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -1px rgba(0, 0, 0, .3);--shadow-large: 0 10px 15px -3px rgba(0, 0, 0, .4), 0 4px 6px -2px rgba(0, 0, 0, .3)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}a{color:var(--accent-fg);text-decoration:none}a:hover{text-decoration:underline}button{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-secondary);color:var(--ink);padding:5px 16px;font:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}button:hover{background:var(--line-secondary);border-color:var(--ink-muted)}button:active{background:var(--line)}.btn-primary{background:var(--btn-primary-bg);color:#fff;border-color:#1b1f2426}.btn-primary:hover{background:var(--btn-primary-hover);border-color:#1b1f2426}.btn-danger{background:var(--btn-danger-bg);color:#fff}.btn-danger:hover{background:var(--btn-danger-hover)}.btn-sm{padding:3px 12px;font-size:12px}.btn-large{padding:8px 16px;font-size:16px}input,textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius);padding:5px 12px;font:inherit;font-size:14px;background:var(--bg);color:var(--ink);transition:all .2s}input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #0969da4d}textarea{min-height:120px;resize:vertical;line-height:1.5}.shell{max-width:1280px;margin:0 auto;padding:16px 24px}.header{background:var(--bg-secondary);border-bottom:1px solid var(--line);padding:16px 24px;position:sticky;top:0;z-index:100}.header-content{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:600;color:var(--ink)}.logo svg{width:32px;height:32px}.star-icon{fill:var(--star);stroke:var(--ink);stroke-width:.5}.nav{display:flex;align-items:center;gap:16px}.nav-link{color:var(--ink);font-weight:500;padding:8px 12px;border-radius:var(--radius);transition:all .2s}.nav-link:hover{background:var(--line-secondary);text-decoration:none}.container{max-width:1280px;margin:0 auto;padding:24px}.box{border:1px solid var(--line);border-radius:var(--radius-medium);background:var(--panel);box-shadow:var(--shadow)}.box-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line);background:var(--bg-secondary);border-radius:var(--radius-medium) var(--radius-medium) 0 0}.box-header h2{margin:0;font-size:16px;font-weight:600}.box-body{padding:20px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.card{border:1px solid var(--line);border-radius:var(--radius-medium);background:var(--panel);padding:16px;transition:all .2s}.card:hover{border-color:var(--ink-muted);box-shadow:var(--shadow-medium)}.card-title{margin:0 0 8px;font-size:16px;font-weight:600;color:var(--accent-fg)}.card-description{margin:0 0 12px;font-size:14px;color:var(--ink-muted);line-height:1.5}.card-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--ink-muted);padding-top:12px;border-top:1px solid var(--line-secondary)}.price{font-weight:600;color:var(--success)}.badge{display:inline-block;padding:2px 8px;font-size:12px;font-weight:500;border-radius:2em;background:var(--bg-secondary);border:1px solid var(--line);color:var(--ink-muted)}.star-count{display:flex;align-items:center;gap:4px;color:var(--ink-muted)}.star-count svg{width:14px;height:14px;fill:var(--star)}.form-group{margin-bottom:16px}.form-label{display:block;margin-bottom:6px;font-size:14px;font-weight:500;color:var(--ink)}.form-hint{margin-top:4px;font-size:12px;color:var(--ink-muted)}.form-error{margin-top:4px;font-size:12px;color:var(--danger)}.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:14px}.alert-info{background:#0969da1a;border:1px solid var(--accent);color:var(--accent-fg)}.alert-success{background:#1a7f371a;border:1px solid var(--success);color:var(--success)}.alert-error{background:#cf222e1a;border:1px solid var(--danger);color:var(--danger)}.loading{text-align:center;padding:40px;color:var(--ink-muted)}.empty{text-align:center;padding:60px 20px;color:var(--ink-muted)}.empty svg{width:64px;height:64px;margin-bottom:16px;opacity:.5}.avatar{width:40px;height:40px;border-radius:50%;border:1px solid var(--line)}.avatar-sm{width:20px;height:20px}.avatar-lg{width:80px;height:80px}.profile-header{display:flex;gap:24px;align-items:flex-start;margin-bottom:24px}.profile-info{flex:1}.profile-name{margin:0 0 4px;font-size:24px;font-weight:600}.profile-username{margin:0 0 12px;font-size:20px;color:var(--ink-muted)}.profile-bio{margin:0;font-size:16px;color:var(--ink)}.tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin-bottom:20px}.tab{padding:8px 16px;border-bottom:2px solid transparent;color:var(--ink);cursor:pointer;transition:all .2s}.tab:hover{color:var(--ink);text-decoration:none}.tab.active{border-bottom-color:var(--accent);font-weight:600}.comment{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line-secondary)}.comment:last-child{border-bottom:none}.comment-body{flex:1}.comment-author{font-weight:600;color:var(--accent-fg);margin-bottom:4px}.comment-content{margin:0;font-size:14px;line-height:1.5}.comment-date{font-size:12px;color:var(--ink-muted);margin-top:8px}.theme-toggle{background:transparent;border:none;padding:8px;cursor:pointer;color:var(--ink)}.theme-toggle:hover{background:var(--line-secondary);border-radius:var(--radius)}@media(max-width:768px){.shell{padding:12px 16px}.container{padding:16px}.header-content{flex-direction:column;gap:12px}.nav{flex-wrap:wrap;justify-content:center}.grid{grid-template-columns:1fr}.profile-header{flex-direction:column;align-items:center;text-align:center}}