:root{--bg: #0f1216;--bg-panel: #171b22;--bg-panel-alt: #1d222b;--bg-input: #101419;--border: #2a313c;--border-strong: #3a4351;--text: #e7ecf3;--text-dim: #93a0b2;--text-faint: #6b7787;--accent: #4da3ff;--accent-strong: #2b8cf0;--gold: #f0b429;--danger: #f2635f;--radius: 8px;--radius-sm: 6px;--sidebar-width: 336px;--font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;--mono: "Cascadia Mono", "JetBrains Mono", Consolas, monospace}*{box-sizing:border-box}[hidden]{display:none!important}html,body{height:100%;margin:0}body{display:flex;flex-direction:column;background:var(--bg);color:var(--text);font-family:var(--font);font-size:13px;overflow:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;background:var(--bg-panel);border-bottom:1px solid var(--border);flex:0 0 auto}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:22px;height:22px;border-radius:50%;background:#f0a0c0;border:3px solid #1c1c1c;box-shadow:0 0 0 1px var(--border-strong)}.brand-name{font-weight:600;letter-spacing:.2px}.topbar-actions{display:flex;align-items:center;gap:8px}.layout{flex:1 1 auto;display:grid;grid-template-columns:var(--sidebar-width) 1fr;min-height:0}.sidebar{background:var(--bg-panel);border-right:1px solid var(--border);overflow-y:auto;overscroll-behavior:contain}.sidebar::-webkit-scrollbar{width:10px}.sidebar::-webkit-scrollbar-track{background:var(--bg-panel)}.sidebar::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:5px;border:3px solid var(--bg-panel)}.panel{border-bottom:1px solid var(--border)}.panel-head{width:100%;display:flex;align-items:center;gap:8px;padding:12px 14px;background:none;border:0;color:var(--text);font:inherit;font-weight:600;font-size:12px;letter-spacing:.6px;text-transform:uppercase;text-align:left;cursor:pointer}.panel-head:before{content:"";width:0;height:0;border-left:5px solid var(--text-faint);border-top:4px solid 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h2{margin:0;font-size:15px;font-weight:600}.modal-body{padding:16px 18px 20px;overflow-y:auto}.design-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px}.design-card{display:flex;flex-direction:column;background:var(--bg-panel-alt);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.design-card:hover{border-color:var(--accent)}.design-thumb{aspect-ratio:1;width:100%;object-fit:cover;background:#0d1015;display:block;cursor:pointer}.design-thumb-empty{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:#0d1015;color:var(--text-faint);font-size:11px;cursor:pointer}.design-meta{padding:8px 10px 10px;display:flex;flex-direction:column;gap:3px}.design-name{font-weight:600;font-size:12.5px;word-break:break-word}.design-sub{color:var(--text-faint);font-size:11px}.design-actions{display:flex;gap:6px;margin-top:6px}.design-actions .btn{flex:1 1 0}.btn-danger{border-color:#6a3230;color:#f4948f}.btn-danger:hover{background:#3a1f1e;border-color:var(--danger)}.empty-state{padding:40px 12px;text-align:center;color:var(--text-faint);font-size:12.5px;line-height:1.6}.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%);padding:10px 18px;background:var(--bg-panel-alt);border:1px solid var(--border-strong);border-radius:999px;color:var(--text);font-size:12.5px;box-shadow:0 10px 30px #00000073;z-index:60}.toast[hidden]{display:none}.toast.is-error{border-color:var(--danger);color:#ffb3af}.toast.is-success{border-color:#2f7d4f;color:#a4e5bf}@media(max-width:1080px){.layout{grid-template-columns:300px 1fr}.topbar{flex-wrap:wrap}}@media(max-width:860px){.layout{grid-template-columns:1fr;grid-template-rows:minmax(0,44%) 1fr}.sidebar{border-right:0;border-bottom:1px solid var(--border)}.parts-legend{display:none}}.user-menu-slot{display:flex;align-items:center}.user-menu{position:relative}.user-button{display:inline-flex;align-items:center;gap:8px;max-width:260px}.user-email{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.plan-badge{display:inline-block;padding:1px 7px;border-radius:999px;font-size:10.5px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;background:#2a313c;color:var(--text-dim)}.plan-badge.plan-premium{background:var(--gold);color:#1b1400}.user-dropdown{position:absolute;right:0;top:calc(100% + 6px);min-width:220px;z-index:30;background:var(--bg-panel);border:1px solid var(--border-strong);border-radius:var(--radius);padding:10px;display:flex;flex-direction:column;gap:8px;box-shadow:0 12px 32px #00000073}.user-line{font-size:12px;color:var(--text-dim)}.lock-badge{display:inline-block;padding:1px 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hr{border:0;border-top:1px solid var(--border);margin:24px 0}.auth-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.auth-card h1{font-size:20px;margin:0}.auth-card form{display:flex;flex-direction:column;gap:12px}.auth-card .field input{width:100%}.auth-links{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--text-dim)}.auth-links a{color:var(--accent)}.auth-divider{display:flex;align-items:center;gap:10px;color:var(--text-faint);font-size:12px}.auth-divider:before,.auth-divider:after{content:"";flex:1;border-top:1px solid var(--border)}.auth-message{padding:10px 12px;border-radius:var(--radius-sm);font-size:13px;background:#1d2430}.auth-message.is-error{background:#3a1f1e;color:#ffb3b3}.auth-message.is-success{background:#1a2f24;color:#b6f0c9}.btn-google{display:flex;align-items:center;justify-content:center;gap:10px;background:#fff;color:#1f1f1f;border-color:#fff}.btn-google:hover{background:#f1f3f4;border-color:#f1f3f4}.auth-legal{font-size:11.5px;color:var(--text-faint)}.auth-legal a{color:var(--text-dim)}