/* Default: two neutral black surfaces. Presets are allowlisted; no custom CSS. */
:root,[data-theme=black]{--bg:#090909;--surface:#171717;--raised:#222;--line:#333;--ink:#f2f2f2;--muted:#aaa;--accent:#eee;--accent-ink:#141414;--side:#121212;--hover:#292929;--hover-border:#707070;--selected:#2d2d2d;--selected-line:#585858;--field:#101010;--gradient:#252525;--soft:#808080;--table-line:#2a2a2a}
[data-theme=slate]{--bg:#0c111b;--surface:#172132;--raised:#202d43;--line:#33445e;--ink:#edf3ff;--muted:#a7b5cc;--accent:#a6ceff;--accent-ink:#10213d;--side:#111927;--hover:#2a3c55;--hover-border:#7593b9;--selected:#243c5b;--selected-line:#42628d;--field:#0f1929;--gradient:#253956;--soft:#8a9bb4;--table-line:#2b3b52}
[data-theme=forest]{--bg:#101312;--surface:#181d1a;--raised:#1d2420;--line:#2d3730;--ink:#eef3ef;--muted:#9aa89e;--accent:#bcf49a;--accent-ink:#142010;--side:#141916;--hover:#29352d;--hover-border:#657966;--selected:#263321;--selected-line:#3c5134;--field:#111713;--gradient:#293925;--soft:#829087;--table-line:#29322c}
[data-theme=amethyst]{--bg:#120e19;--surface:#211a2d;--raised:#2b2239;--line:#443650;--ink:#f6f0ff;--muted:#baabc9;--accent:#d5b0ff;--accent-ink:#251239;--side:#191220;--hover:#3c2d4d;--hover-border:#967ba8;--selected:#3a2850;--selected-line:#63477e;--field:#181020;--gradient:#3b2850;--soft:#a38db8;--table-line:#392b45}
body{background:var(--bg);color:var(--ink)}button:hover{background:var(--hover);border-color:var(--hover-border)}.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.primary:hover{background:var(--accent);border-color:var(--accent);filter:brightness(1.1)}.brand-mark{background:var(--selected);border-color:var(--selected-line)}.sidebar{background:var(--side)}.nav-label,.workspace-footer{color:var(--soft)}.nav-item[aria-current=page]{background:var(--selected);border-color:var(--selected-line);color:var(--accent)}.slash{color:var(--soft)}.stat:first-child{background:linear-gradient(130deg,var(--gradient),var(--surface));border-color:var(--selected-line)}.guidance{background:var(--side)}th{background:var(--side)}td{border-color:var(--table-line)}tbody tr:hover{background:var(--raised)}.subline{color:var(--muted)}label{color:var(--ink)}input,select,textarea{background:var(--field);border-color:var(--line)}input::placeholder{color:var(--soft)}.login-screen{background:radial-gradient(ellipse at 50% 10%,var(--gradient) 0%,var(--bg) 55%)}.login-card{background:var(--surface);border-color:var(--selected-line)}.login-footer{color:var(--soft)}dialog{background:var(--surface);border-color:var(--selected-line)}.detail-grid,.metadata{background:var(--field)}.row-link:hover{background:transparent}.notice{background:var(--selected);border-color:var(--selected-line);color:var(--ink)}.notice.error{background:#332321;border-color:#62423c;color:var(--danger)}.danger{background:#32221f;border-color:#60403b;color:var(--danger)}.danger:hover{background:#49302b;border-color:#8b5a52}.badge.active,.badge.enabled{background:#23371f;border-color:#3d5730;color:#bcf49a}
.masked-key{display:inline-block;filter:blur(3px);user-select:none;letter-spacing:1px;color:var(--muted)}.key-cell{min-width:170px}.key-cell .actions{margin-top:8px}.key-preview{padding:16px;background:var(--field);border:1px solid var(--line);border-radius:9px;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.batch-id{overflow-wrap:anywhere;margin:16px 0}.batch-toolbar{padding:16px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border-bottom:1px solid var(--line)}.batch-toolbar p{color:var(--muted);font-size:12px}.quantity-presets{margin:-5px 0 20px}.quantity-presets button{padding:5px 11px;font-size:12px}.revealed-keys{white-space:pre;overflow-x:auto;min-height:170px;font-size:12px}.theme-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:20px 0}.theme-card{text-align:left;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:10px}.theme-card[aria-pressed=true]{outline:2px solid var(--accent);outline-offset:2px}.theme-card h3{margin:12px 0 4px}.theme-card p{font-size:12px;color:var(--muted);font-weight:400}.theme-swatch{display:flex;height:84px;border-radius:6px;overflow:hidden;border:1px solid #ffffff25}.theme-swatch span{display:block;flex:1}.theme-swatch span:last-child{flex:.18}.theme-card[data-preset=black] .theme-swatch span:first-child{background:#090909}.theme-card[data-preset=black] .theme-swatch span:nth-child(2){background:#171717}.theme-card[data-preset=black] .theme-swatch span:last-child{background:#eee}.theme-card[data-preset=slate] .theme-swatch span:first-child{background:#0c111b}.theme-card[data-preset=slate] .theme-swatch span:nth-child(2){background:#172132}.theme-card[data-preset=slate] .theme-swatch span:last-child{background:#a6ceff}.theme-card[data-preset=forest] .theme-swatch span:first-child{background:#101312}.theme-card[data-preset=forest] .theme-swatch span:nth-child(2){background:#181d1a}.theme-card[data-preset=forest] .theme-swatch span:last-child{background:#bcf49a}.theme-card[data-preset=amethyst] .theme-swatch span:first-child{background:#120e19}.theme-card[data-preset=amethyst] .theme-swatch span:nth-child(2){background:#211a2d}.theme-card[data-preset=amethyst] .theme-swatch span:last-child{background:#d5b0ff}.customization-panel{max-width:870px}.theme-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.density-control{max-width:320px}.preview-note{margin:10px 0 22px;color:var(--muted);font-size:12px}
[data-density=compact] td{padding:10px 16px}[data-density=compact] th{padding:10px 16px}[data-density=compact] .stat{padding:16px}[data-density=compact] .panel-heading{padding:14px 18px}[data-density=compact] .nav-item{padding:9px 12px}[data-density=compact] .page-heading{margin-bottom:20px}[data-density=compact] .filters{gap:9px}
@media(max-width:540px){.theme-grid{grid-template-columns:1fr}.key-preview{align-items:flex-start;flex-direction:column}}