:root {
  --bg: #09090c;
  --surface: #121218;
  --surface-2: #191921;
  --surface-3: #22222c;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #ededf1;
  --muted: #9797a6;
  --faint: #66667a;
  --accent: #ff6d5a;
  --accent-ink: #ffffff;
  --accent-soft: rgba(255, 109, 90, 0.14);
  --violet: #8b7bff;
  --violet-soft: rgba(139, 123, 255, 0.14);
  --ok: #3ecf8e;
  --warn: #f5a623;
  --warn-soft: rgba(245, 166, 35, 0.1);
  --danger: #ff5d6c;
  --danger-soft: rgba(255, 93, 108, 0.1);
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --radius: 18px;
  --radius-sm: 12px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --serif: "Instrument Serif", ui-serif, Georgia, serif;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f5f2;
    --surface: #ffffff;
    --surface-2: #f3f2ef;
    --surface-3: #e9e8e4;
    --border: rgba(20, 20, 30, 0.08);
    --border-strong: rgba(20, 20, 30, 0.16);
    --text: #16161d;
    --muted: #5f5f6e;
    --faint: #8d8d9b;
    --accent-soft: rgba(255, 109, 90, 0.12);
    --violet-soft: rgba(139, 123, 255, 0.12);
    --warn-soft: rgba(245, 166, 35, 0.12);
    --danger-soft: rgba(255, 93, 108, 0.1);
    --shadow: 0 1px 2px rgba(20, 20, 30, 0.04), 0 16px 40px -24px rgba(20, 20, 30, 0.25);
    color-scheme: light;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { display: block; max-width: 100%; }
button, input, textarea { font: inherit; color: inherit; }
a { color: inherit; }
[hidden] { display: none !important; }

.glow {
  position: fixed; inset: -20vh -10vw auto; height: 70vh; pointer-events: none; z-index: 0;
  background:
    radial-gradient(40% 50% at 25% 30%, rgba(255, 109, 90, 0.16), transparent 70%),
    radial-gradient(35% 45% at 75% 20%, rgba(139, 123, 255, 0.16), transparent 70%);
  filter: blur(20px);
}

.i { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px clamp(16px, 4vw, 32px);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), #ff9a6a);
  box-shadow: 0 6px 18px -6px rgba(255, 109, 90, 0.7);
}
.brand-mark svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.brand-name { font-weight: 650; letter-spacing: -0.01em; }
.brand-tag {
  font-size: 12px; color: var(--muted); padding: 2px 8px; border-radius: 99px;
  border: 1px solid var(--border-strong);
}
.topbar-actions { display: flex; gap: 8px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 16px; border-radius: 12px; border: 1px solid transparent;
  font-weight: 550; font-size: 14px; text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background .15s, border-color .15s, transform .1s, opacity .15s, box-shadow .15s;
}
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:focus-visible, .icon-btn:focus-visible, .mode-card:focus-within, .thumb:focus-visible { outline: 2px solid var(--violet); outline-offset: 2px; }
.btn-primary {
  background: var(--accent); color: var(--accent-ink);
  box-shadow: 0 8px 24px -10px rgba(255, 109, 90, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:hover:not(:disabled) { background: #ff7f6d; }
.btn-soft { background: var(--surface-2); border-color: var(--border); }
.btn-soft:hover:not(:disabled) { background: var(--surface-3); border-color: var(--border-strong); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover:not(:disabled) { color: var(--text); background: var(--surface-2); }
.btn-lg { height: 48px; padding: 0 22px; font-size: 15px; border-radius: 14px; }
.icon-btn {
  width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px;
  background: transparent; border: 1px solid transparent; color: var(--muted); cursor: pointer;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

/* ---------- layout ---------- */
.container { position: relative; z-index: 1; width: 100%; max-width: 1080px; margin: 0 auto; padding: 28px clamp(16px, 4vw, 32px) 80px; }
.hero { text-align: center; margin: 28px auto 32px; max-width: 640px; }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 550; color: var(--violet); background: var(--violet-soft); padding: 4px 10px; border-radius: 99px; }
.eyebrow .i { width: 14px; height: 14px; }
h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(38px, 6vw, 58px); line-height: 1.04; letter-spacing: -0.02em; margin: 16px 0 12px; }
h1 em { font-style: italic; background: linear-gradient(90deg, var(--accent), var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .05em; }
h2 { font-size: 20px; font-weight: 620; letter-spacing: -0.015em; margin: 0; }
h3 { font-size: 15px; font-weight: 600; margin: 0; }
.lede { color: var(--muted); font-size: 16.5px; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-pad { padding: clamp(18px, 3vw, 28px); }
.stack { display: grid; gap: 20px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.spread { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.section-head p { margin: 4px 0 0; }

/* ---------- stepper ---------- */
.stepper { display: flex; gap: 6px; margin: 4px 0 26px; padding: 6px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border); overflow-x: auto; scrollbar-width: none; }
.step { flex: 1 1 0; min-width: max-content; display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: 11px; color: var(--faint); font-size: 13.5px; font-weight: 550; }
.step-dot { width: 24px; height: 24px; border-radius: 99px; display: grid; place-items: center; font-size: 12px; border: 1px solid var(--border-strong); flex: none; }
.step-dot .i { width: 14px; height: 14px; stroke-width: 2.4; }
.step.done { color: var(--muted); }
.step.done .step-dot { background: var(--ok); border-color: var(--ok); color: #06140d; }
.step.current { color: var(--text); background: var(--surface-2); }
.step.current .step-dot { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }

/* ---------- callouts ---------- */
.callout { display: flex; gap: 12px; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--border); background: var(--surface-2); font-size: 14px; }
.callout .i { margin-top: 2px; }
.callout p, .callout ul { margin: 0; }
.callout ul { padding-left: 18px; color: var(--muted); }
.callout strong { display: block; margin-bottom: 2px; }
.callout-warn { background: var(--warn-soft); border-color: rgba(245, 166, 35, 0.25); }
.callout-warn > .i { color: var(--warn); }
.callout-danger { background: var(--danger-soft); border-color: rgba(255, 93, 108, 0.3); align-items: flex-start; }
.callout-danger > .i { color: var(--danger); }
.callout-danger .callout-body { flex: 1; min-width: 0; }
.callout-danger .err-msg { color: var(--muted); word-break: break-word; }
.callout-info { background: var(--violet-soft); border-color: rgba(139, 123, 255, 0.25); }
.callout-info > .i { color: var(--violet); }

.config-banner { position: relative; z-index: 2; max-width: 1080px; margin: 16px auto 0; padding: 0 clamp(16px, 4vw, 32px); }

/* ---------- upload ---------- */
.upload-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 20px; align-items: start; }
.dropzone {
  position: relative; display: grid; place-items: center; text-align: center; gap: 10px;
  min-height: 300px; padding: 28px; border-radius: var(--radius);
  border: 1.5px dashed var(--border-strong); background: var(--surface);
  cursor: pointer; transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 5%, var(--surface)); }
.dropzone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop-icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); margin: 0 auto 6px; }
.drop-icon .i { width: 26px; height: 26px; }
.drop-title { font-weight: 600; font-size: 16px; }
.preview { border-radius: var(--radius); overflow: hidden; background: #000; border: 1px solid var(--border); }
.preview video { width: 100%; max-height: 360px; object-fit: contain; background: #000; }
.preview-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; background: var(--surface); }
.preview-meta .name { font-weight: 550; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { font-size: 12px; padding: 3px 9px; border-radius: 99px; background: var(--surface-2); border: 1px solid var(--border); color: var(--muted); white-space: nowrap; }
.chip-bad { color: var(--danger); border-color: rgba(255, 93, 108, 0.35); }

.mode-cards { display: grid; gap: 10px; }
.mode-card {
  position: relative; display: flex; gap: 14px; padding: 16px; border-radius: 14px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface-2); transition: border-color .15s, background .15s;
}
.mode-card:hover { border-color: var(--border-strong); }
.mode-card input { position: absolute; opacity: 0; }
.mode-card:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--surface-2)); }
.mode-icon { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: var(--surface-3); flex: none; }
.mode-card:has(input:checked) .mode-icon { background: var(--accent); color: #fff; }
.mode-card p { margin: 2px 0 0; font-size: 13.5px; color: var(--muted); }
.radio-ring { position: absolute; top: 16px; right: 16px; width: 18px; height: 18px; border-radius: 99px; border: 1.5px solid var(--border-strong); }
.mode-card:has(input:checked) .radio-ring { border: 5px solid var(--accent); }
.label { font-size: 12.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--faint); margin: 0 0 10px; }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--accent); flex: none; }

.upload-progress { height: 6px; border-radius: 99px; background: var(--surface-3); overflow: hidden; }
.upload-progress > div { height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--violet)); transition: width .2s; }

/* ---------- busy / progress ---------- */
.busy {
  display: grid; justify-items: center; text-align: center; gap: 14px;
  padding: clamp(36px, 7vw, 64px) 24px;
}
.orb { position: relative; width: 72px; height: 72px; }
.orb::before, .orb::after { content: ""; position: absolute; inset: 0; border-radius: 50%; }
.orb::before { background: conic-gradient(from 0deg, var(--accent), var(--violet), transparent 70%); animation: spin 1.4s linear infinite; -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px)); mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px)); }
.orb::after { inset: 14px; background: radial-gradient(circle at 35% 35%, var(--accent), var(--violet)); filter: blur(10px); opacity: .55; animation: pulse 2.4s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { transform: scale(.75); opacity: .3; } }
.busy-label { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.busy-detail { font-size: 13.5px; color: var(--muted); min-height: 1em; }
.eta { width: min(360px, 100%); display: grid; gap: 8px; }
.eta-bar { height: 4px; border-radius: 99px; background: var(--surface-3); overflow: hidden; }
.eta-bar > div { height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--violet)); transition: width 1s linear; }
.eta-text { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--faint); font-variant-numeric: tabular-nums; }
.busy-note { font-size: 13px; color: var(--faint); max-width: 420px; }
.busy-inline { display: flex; align-items: center; gap: 14px; padding: 14px 16px; }
.busy-inline .orb { width: 34px; height: 34px; flex: none; }
.busy-inline .orb::after { inset: 8px; }
.busy-inline .busy-label { font-size: 15px; }
.busy-inline .eta { width: auto; flex: 1; min-width: 140px; }

.skeleton { position: absolute; inset: 0; display: grid; place-items: center; background: color-mix(in srgb, var(--surface) 55%, transparent); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); z-index: 3; }
.skeleton::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, transparent 30%, rgba(255, 255, 255, 0.08) 50%, transparent 70%); background-size: 200% 100%; animation: shimmer 1.6s linear infinite; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.skeleton .orb { width: 44px; height: 44px; }
.skeleton .orb::after { inset: 10px; }

/* ---------- media ---------- */
.media { position: relative; border-radius: var(--radius-sm); overflow: hidden; background: var(--surface-2); border: 1px solid var(--border); }
.media img { width: 100%; height: 100%; object-fit: contain; }
.media .expand { position: absolute; top: 10px; right: 10px; background: rgba(0, 0, 0, .5); color: #fff; backdrop-filter: blur(8px); opacity: 0; transition: opacity .15s; }
.media:hover .expand, .media .expand:focus-visible { opacity: 1; }
.tag { position: absolute; z-index: 2; top: 10px; font-size: 11.5px; font-weight: 600; padding: 3px 9px; border-radius: 99px; background: rgba(0, 0, 0, .55); color: #fff; backdrop-filter: blur(8px); pointer-events: none; }
.tag-l { left: 10px; }
.tag-r { right: 10px; }

.character-layout { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(240px, 1fr); gap: 20px; align-items: start; }
.character-main { aspect-ratio: 16 / 10; background: #fff; }
.thumbs { display: flex; gap: 8px; margin-top: 12px; overflow-x: auto; padding: 2px; }
.thumb { width: 74px; height: 50px; border-radius: 9px; overflow: hidden; border: 2px solid transparent; padding: 0; background: #fff; cursor: pointer; flex: none; opacity: .65; transition: opacity .15s, border-color .15s; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb:hover { opacity: 1; }
.thumb.active { border-color: var(--accent); opacity: 1; }
.ref-frames { display: grid; gap: 10px; }
.ref-frames .media { aspect-ratio: 16 / 9; }

.compare { position: relative; user-select: none; touch-action: pan-y; --pos: 50%; background: #000; }
.compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.compare .before { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.compare .handle { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; margin-left: -1px; background: #fff; z-index: 2; pointer-events: none; box-shadow: 0 0 12px rgba(0, 0, 0, .5); }
.compare .handle::after { content: "⟷"; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 34px; height: 34px; border-radius: 99px; background: #fff; color: #111; display: grid; place-items: center; font-size: 15px; box-shadow: 0 4px 14px rgba(0, 0, 0, .35); }
.compare input[type="range"] { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; z-index: 4; }
.compare-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--faint); font-size: 13px; }

.frames-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.frame-card { overflow: hidden; }
.frame-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; }
.frame-card .media { border-radius: 0; border: 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.single-frame { max-width: 760px; margin: 0 auto; width: 100%; }

.field { display: grid; gap: 8px; }
.field-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
textarea {
  width: 100%; min-height: 168px; resize: vertical; padding: 14px 16px; border-radius: 14px;
  background: var(--surface-2); border: 1px solid var(--border); line-height: 1.6; font-size: 14.5px;
  transition: border-color .15s, box-shadow .15s;
}
textarea:focus { outline: none; border-color: var(--violet); box-shadow: 0 0 0 4px var(--violet-soft); }
.counter { font-size: 12px; color: var(--faint); font-variant-numeric: tabular-nums; }
.counter.over { color: var(--danger); }

.action-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 4px; }
.action-bar .hint { font-size: 13px; color: var(--faint); }

/* ---------- video ---------- */
.video-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 20px; align-items: start; }
.player { background: #000; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.player video { width: 100%; max-height: 70vh; background: #000; }
.seg { display: inline-flex; padding: 4px; gap: 4px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); }
.seg button { height: 32px; padding: 0 12px; border-radius: 9px; border: 0; background: transparent; color: var(--muted); font-size: 13px; font-weight: 550; cursor: pointer; }
.seg button.on { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0, 0, 0, .25); }
.versions { display: grid; gap: 6px; }
.version { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface-2); cursor: pointer; text-align: left; width: 100%; }
.version:hover { border-color: var(--border-strong); }
.version.on { border-color: var(--accent); }
.version-n { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font-size: 12px; font-weight: 650; background: var(--surface-3); flex: none; }
.version.on .version-n { background: var(--accent); color: #fff; }

/* ---------- drawer ---------- */
.drawer { position: fixed; inset: 0; z-index: 50; pointer-events: none; }
.drawer-scrim { position: absolute; inset: 0; background: rgba(0, 0, 0, .45); opacity: 0; transition: opacity .2s; }
.drawer-panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(420px, 100%); background: var(--surface); border-left: 1px solid var(--border); transform: translateX(100%); transition: transform .25s cubic-bezier(.2, .8, .2, 1); display: flex; flex-direction: column; }
.drawer.open { pointer-events: auto; }
.drawer.open .drawer-scrim { opacity: 1; }
.drawer.open .drawer-panel { transform: none; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.drawer-list { overflow-y: auto; padding: 10px; display: grid; gap: 4px; align-content: start; }
.proj { display: flex; align-items: center; gap: 12px; padding: 10px; border-radius: 12px; text-decoration: none; }
.proj:hover { background: var(--surface-2); }
.proj.on { background: var(--surface-2); }
.proj-thumb { width: 60px; height: 42px; border-radius: 8px; overflow: hidden; background: var(--surface-3); flex: none; }
.proj-thumb img { width: 100%; height: 100%; object-fit: cover; }
.proj-body { flex: 1; min-width: 0; }
.proj-name { font-weight: 550; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.proj-meta { font-size: 12.5px; color: var(--faint); display: flex; align-items: center; gap: 6px; }
.dot { width: 7px; height: 7px; border-radius: 99px; background: var(--faint); flex: none; }
.dot.busy { background: var(--violet); animation: pulse 1.4s infinite; }
.dot.error { background: var(--danger); }
.dot.done { background: var(--ok); }
.dot.wait { background: var(--warn); }
.proj .icon-btn { opacity: 0; }
.proj:hover .icon-btn { opacity: 1; }
.empty { text-align: center; color: var(--faint); padding: 48px 20px; font-size: 14px; }

/* ---------- lightbox / toast ---------- */
.lightbox { padding: 0; border: 0; background: transparent; max-width: 94vw; max-height: 92vh; }
.lightbox::backdrop { background: rgba(0, 0, 0, .8); backdrop-filter: blur(6px); }
.lightbox img { max-width: 94vw; max-height: 92vh; border-radius: 14px; background: #fff; }
.lightbox-close { position: fixed; top: 16px; right: 16px; background: rgba(255, 255, 255, .12); color: #fff; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 60; padding: 11px 18px; border-radius: 12px; background: var(--text); color: var(--bg); font-size: 14px; font-weight: 550; box-shadow: 0 12px 30px rgba(0, 0, 0, .35); max-width: calc(100vw - 32px); }

.fade-in { animation: fade .35s ease both; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .upload-grid, .character-layout, .video-layout { grid-template-columns: 1fr; }
  .ref-frames { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .frames-grid { grid-template-columns: 1fr; }
  .brand-tag, .topbar-actions .btn span { display: none; }
  .topbar-actions .btn { width: 40px; padding: 0; }
  .step-label { display: none; }
  .step.current .step-label { display: inline; }
  .action-bar { flex-direction: column-reverse; align-items: stretch; }
  .action-bar .row { flex-direction: column-reverse; align-items: stretch; }
  .action-bar .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

/* ---------- sign in ---------- */
.login-wrap { position: relative; z-index: 1; min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.login-card { width: min(400px, 100%); display: grid; gap: 18px; }
.input-field { display: grid; gap: 6px; font-size: 13px; font-weight: 550; color: var(--muted); }
.input-field input {
  height: 44px; padding: 0 14px; border-radius: 12px; font-size: 15px; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border); transition: border-color .15s, box-shadow .15s;
}
.input-field input:focus { outline: none; border-color: var(--violet); box-shadow: 0 0 0 4px var(--violet-soft); }
.login-error { margin: -4px 0 0; font-size: 13.5px; color: var(--danger); }