:root{--bg:#f4efe6;--bg-elevated:#faf7f2;--surface:#ffffff;--surface-muted:#f7f3ec;--border:#e6dfd2;--border-strong:#d4cbb8;--text:#1c1917;--text-muted:#78716c;--text-soft:#a8a29e;--brand:#1e293b;--brand-hover:#0f172a;--accent:#3d5a4c;--accent-soft:#e8f0eb;--danger:#991b1b;--danger-bg:#fef2f2;--danger-border:#fecaca;--success:#166534;--success-bg:#dcfce7;--warn:#9a3412;--warn-bg:#ffedd5;--info:#1e40af;--info-bg:#dbeafe;--shadow:0 1px 2px rgba(28,25,23,0.04),0 8px 24px rgba(28,25,23,0.06);--radius:12px;--radius-sm:8px;--font:"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;--header-h:60px;--sidebar-w:220px}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}.app-shell{min-height:100vh;display:flex;flex-direction:column}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:40;height:var(--header-h);justify-content:space-between;gap:16px;padding:0 20px;background:rgba(250,247,242,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.brand,.site-header{display:flex;align-items:center}.brand{gap:10px;font-weight:700;font-size:1.05rem;letter-spacing:-.02em}.brand-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(145deg,#2c3e35,#1e293b);color:#f8fafc;display:grid;place-items:center;font-size:12px;font-weight:700}.header-nav{display:flex;align-items:center;gap:6px;flex:1 1;margin-left:12px}.nav-link{padding:8px 12px;border-radius:999px;font-size:.9rem;color:var(--text-muted);transition:background .15s ease,color .15s ease}.nav-link:hover{background:rgba(28,25,23,.05);color:var(--text)}.nav-link[data-active=true]{background:var(--surface);color:var(--text);box-shadow:0 0 0 1px var(--border);font-weight:600}.header-actions{display:flex;align-items:center;gap:10px}.app-main{flex:1 1;width:100%}.page{width:min(1100px,calc(100% - 32px));margin:0 auto;padding:28px 0 48px}.page-narrow{width:min(720px,calc(100% - 32px))}.page-title{margin:0;font-size:1.5rem;font-weight:700;letter-spacing:-.02em}.page-subtitle{margin:6px 0 0;color:var(--text-muted);font-size:.95rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-muted{background:var(--surface-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 14px;border-radius:var(--radius-sm);border:1px solid transparent;font-size:.9rem;font-weight:600;transition:background .15s ease,border-color .15s ease,transform .05s ease}.btn:active:not(:disabled){transform:translateY(1px)}.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn-primary:hover:not(:disabled){background:var(--brand-hover)}.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border-strong)}.btn-secondary:hover:not(:disabled){background:var(--surface-muted)}.btn-ghost{background:transparent;color:var(--text-muted);border-color:var(--border)}.btn-ghost:hover:not(:disabled){background:rgba(28,25,23,.04);color:var(--text)}.btn-danger-soft{background:transparent;color:var(--text-muted);border-color:var(--border);font-size:.8rem;padding:6px 10px}.btn-danger-soft:hover:not(:disabled){background:var(--danger-bg);color:var(--danger);border-color:var(--danger-border)}.field,.input,.select{width:100%;padding:9px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text)}.field:focus,.input:focus,.select:focus{outline:2px solid rgba(61,90,76,.25);border-color:var(--accent)}.form-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.form-row .input{flex:1 1;min-width:180px}.form-row .select{width:auto;min-width:130px}.alert{padding:12px 14px;border-radius:var(--radius-sm);font-size:.9rem;border:1px solid transparent}.alert-error{background:var(--danger-bg);color:var(--danger);border-color:var(--danger-border)}.alert-info{background:var(--info-bg);color:var(--info);border-color:#bfdbfe}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:600;white-space:nowrap}.badge-collection{background:var(--success-bg);color:var(--success)}.badge-sale{background:var(--warn-bg);color:var(--warn)}.badge-muted{background:#f5f5f4;color:var(--text-muted)}.badge-comics{background:#ede9fe;color:#5b21b6}.badge-pokemon{background:#fef3c7;color:#92400e}.empty-state{padding:56px 24px;text-align:center}.empty-state h3{margin:0 0 8px;font-size:1.05rem}.empty-state p{margin:0 auto;max-width:360px;color:var(--text-muted);font-size:.92rem}.loading-block{padding:40px 24px;text-align:center;color:var(--text-muted)}.hero{padding:48px 0 24px}.hero h1{margin:0 0 12px;font-size:clamp(1.8rem,4vw,2.4rem);letter-spacing:-.03em;line-height:1.15}.hero p{margin:0 0 24px;color:var(--text-muted);font-size:1.05rem;max-width:34rem}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}.hero-note{margin:-16px 0 28px;max-width:34rem;color:var(--text-muted);font-size:.9rem}.auth-closed{width:min(420px,100%);padding:28px 24px;text-align:left}.auth-closed .page-subtitle{margin-bottom:20px}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:12px;gap:12px}.feature-card{padding:16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface)}.feature-card strong{display:block;margin-bottom:4px;font-size:.92rem}.feature-card span{color:var(--text-muted);font-size:.85rem}.toolbar{align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}.toolbar,.toolbar-meta{display:flex;flex-wrap:wrap}.toolbar-meta{align-items:center;gap:10px}.meta-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:var(--surface);border:1px solid var(--border);font-size:.82rem;color:var(--text-muted)}.meta-chip strong{color:var(--text);font-weight:600}.add-panel{padding:14px;margin-bottom:16px}.add-panel-label{margin:0 0 10px;font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.table-wrap{overflow:auto}.inventory-table{width:100%;border-collapse:collapse;min-width:640px}.inventory-table th{text-align:left;padding:12px 14px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-soft);background:var(--surface-muted);border-bottom:1px solid var(--border)}.inventory-table td{padding:14px;border-bottom:1px solid var(--border);vertical-align:middle;font-size:.92rem}.inventory-table tr:last-child td{border-bottom:none}.inventory-table tbody tr:hover td{background:rgba(244,239,230,.45)}.item-title{font-weight:600}.item-sub{margin-top:2px;font-size:.8rem;color:var(--text-muted)}.auth-center{min-height:calc(100vh - var(--header-h));display:grid;place-items:center;padding:24px}@media (max-width:640px){.header-nav{display:none}.page{width:calc(100% - 24px);padding-top:20px}}