:root {
  --bg: #0a0c12;
  --bg-2: #0f1219;
  --card: #141823;
  --card-2: #1a1f2c;
  --line: #262d3d;
  --text: #e8ecf5;
  --muted: #8b94a8;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --radius: 16px;
  --shadow: 0 20px 60px -20px rgb(0 0 0 / .6);
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f3f5fa; --bg-2: #ffffff; --card: #ffffff; --card-2: #f5f7fb; --line: #e2e7f0;
    --text: #151a26; --muted: #5d6779; --shadow: 0 20px 50px -25px rgb(20 30 60 / .25);
    color-scheme: light;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
body { min-height: 100vh; background:
  radial-gradient(1200px 600px at 10% -10%, rgb(124 92 255 / .18), transparent 60%),
  radial-gradient(900px 500px at 100% 0%, rgb(34 211 238 / .12), transparent 55%),
  var(--bg); background-attachment: fixed; }

.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 22px; backdrop-filter: blur(12px); background: color-mix(in srgb, var(--bg) 80%, transparent); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .2px; }
.brand svg { width: 28px; height: 28px; fill: url(#g); fill: var(--accent); }
.brand span { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.top-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.pill { padding: 6px 12px; border-radius: 999px; background: var(--card-2); border: 1px solid var(--line); font-weight: 600; font-variant-numeric: tabular-nums; }

.btn { font: inherit; font-weight: 600; border: 1px solid var(--line); background: var(--card-2); color: var(--text); padding: 10px 16px; border-radius: 12px; cursor: pointer; transition: transform .08s, box-shadow .2s, opacity .2s, background .2s; }
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: linear-gradient(135deg, var(--accent), #5b8cff); border-color: transparent; color: #fff; box-shadow: 0 10px 30px -12px rgb(124 92 255 / .8); }
.btn.ghost { background: transparent; }
.btn.small { padding: 6px 10px; font-size: 13px; border-radius: 10px; }
.btn.big { padding: 14px 26px; font-size: 16px; }

.card { background: color-mix(in srgb, var(--card) 92%, transparent); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.eyebrow { margin: 0 0 6px; text-transform: uppercase; letter-spacing: .14em; font-size: 12px; color: var(--accent-2); font-weight: 700; }
.lead { color: var(--muted); font-size: 16px; }
.lead.small { font-size: 14px; margin: 4px 0 0; }
.muted { color: var(--muted); }
.fine { font-size: 13px; color: var(--muted); min-height: 1.2em; }
.fine.error, .error { color: var(--bad); }
.empty { color: var(--muted); text-align: center; padding: 24px 0; }

/* Entrada */
.auth { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; max-width: 1100px; margin: 48px auto; padding: 0 20px; }
.hero h1 { font-size: clamp(30px, 4.5vw, 50px); line-height: 1.08; margin: 0 0 14px; letter-spacing: -.02em; }
.features { list-style: none; padding: 0; margin: 22px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.features li { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; font-size: 14px; }
.features li::before { content: "◆ "; color: var(--accent-2); }
.auth-card { padding: 26px; }
.tabs { display: flex; gap: 6px; background: var(--card-2); padding: 5px; border-radius: 12px; margin-bottom: 18px; }
.tab { flex: 1; font: inherit; font-weight: 600; background: transparent; border: 0; color: var(--muted); padding: 9px; border-radius: 9px; cursor: pointer; }
.tab.active { background: var(--card); color: var(--text); box-shadow: 0 2px 10px rgb(0 0 0 / .2); }
.stack { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); font-weight: 600; }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg-2); border: 1px solid var(--line); border-radius: 11px; padding: 10px 12px; width: 100%; min-width: 0; transition: border-color .2s, box-shadow .2s; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgb(124 92 255 / .18); }
textarea { min-height: 96px; resize: vertical; }
input[type=checkbox] { width: auto; accent-color: var(--accent); }

/* App */
.app { display: grid; grid-template-columns: 260px minmax(0, 1fr) 360px; gap: 18px; padding: 18px; max-width: 1600px; margin: 0 auto; align-items: start; }
.ops { padding: 14px; position: sticky; top: 84px; max-height: calc(100vh - 100px); overflow: auto; }
.search { margin-bottom: 12px; }
.group-title { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin: 14px 6px 6px; font-weight: 700; }
.op-btn { width: 100%; text-align: left; font: inherit; color: var(--text); background: transparent; border: 1px solid transparent; border-radius: 12px; padding: 10px 12px; cursor: pointer; transition: background .15s, border-color .15s; }
.op-btn:hover { background: var(--card-2); }
.op-btn.active { background: linear-gradient(135deg, rgb(124 92 255 / .2), rgb(34 211 238 / .12)); border-color: rgb(124 92 255 / .45); }
.op-btn strong { display: block; font-size: 14px; }
.op-btn span { font-size: 12px; color: var(--muted); }

.workspace { padding: 22px; min-width: 0; }
.ws-head h2 { margin: 0 0 4px; font-size: 24px; letter-spacing: -.01em; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin-top: 18px; }
.field-full { grid-column: 1 / -1; }
.field-hint { font-size: 12px; color: var(--muted); font-weight: 400; }
.bool { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--text); padding: 10px 0; }
.seg { display: flex; gap: 6px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 4px; }
.seg label { flex: 1; text-align: center; display: block; padding: 8px; border-radius: 9px; cursor: pointer; color: var(--muted); }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label:has(input:checked) { background: var(--card-2); color: var(--text); box-shadow: 0 2px 8px rgb(0 0 0 / .2); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg-2); cursor: pointer; font-size: 14px; color: var(--muted); }
.chip input { width: auto; }
.chip:has(input:checked) { color: var(--text); border-color: var(--accent); background: rgb(124 92 255 / .12); }
.dropzone { border: 1.5px dashed var(--line); border-radius: 14px; padding: 18px; text-align: center; background: var(--bg-2); cursor: pointer; color: var(--muted); }
.dropzone:hover { border-color: var(--accent); }
.dropzone img { max-height: 140px; border-radius: 10px; display: block; margin: 0 auto 8px; }
.dropzone input { display: none; }
.actions-list { max-height: 260px; overflow: auto; border: 1px solid var(--line); border-radius: 12px; padding: 6px; background: var(--bg-2); }
.action-item { display: flex; gap: 10px; align-items: center; padding: 7px 8px; border-radius: 9px; cursor: pointer; font-size: 14px; }
.action-item:hover { background: var(--card-2); }
.action-item input { width: auto; }
.cost-bar { margin-top: 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 16px 18px; border-radius: 14px; background: linear-gradient(135deg, rgb(124 92 255 / .14), rgb(34 211 238 / .08)); border: 1px solid rgb(124 92 255 / .35); }
.cost-bar strong { font-size: 26px; margin: 0 10px 0 6px; font-variant-numeric: tabular-nums; }

.history { padding: 16px; position: sticky; top: 84px; max-height: calc(100vh - 100px); overflow: auto; }
.hist-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.hist-head h3 { margin: 0; }
.viewer { background: radial-gradient(circle at 50% 30%, var(--card-2), var(--bg-2)); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; margin-bottom: 12px; }
.viewer model-viewer { height: 260px; background: transparent; }
.viewer-img { display: block; width: 100%; height: 260px; object-fit: contain; background: var(--bg-2); }
.viewer-meta { padding: 10px 12px 12px; }
.file-links { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.file-links a { font-size: 12px; padding: 4px 9px; border-radius: 8px; background: var(--card-2); border: 1px solid var(--line); color: var(--text); text-decoration: none; }
.file-links a:hover { border-color: var(--accent); }
.job-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.job { display: grid; grid-template-columns: 52px 1fr; gap: 10px; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--card-2); cursor: pointer; transition: border-color .15s; }
.job:hover, .job.sel { border-color: var(--accent); }
.job img, .job .thumb { width: 52px; height: 52px; border-radius: 10px; object-fit: cover; background: var(--bg-2); display: grid; place-items: center; color: var(--muted); font-size: 11px; }
.job-title { font-weight: 700; font-size: 14px; }
.job-meta { font-size: 12px; color: var(--muted); }
.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; margin-left: 6px; vertical-align: 1px; }
.b-queued { background: rgb(251 191 36 / .15); color: var(--warn); }
.b-running { background: rgb(124 92 255 / .18); color: #b7a8ff; }
.b-done { background: rgb(52 211 153 / .15); color: var(--good); }
.b-failed { background: rgb(248 113 113 / .15); color: var(--bad); }
.bar { height: 6px; background: var(--bg-2); border-radius: 999px; overflow: hidden; margin-top: 6px; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .6s; }
.err-text { color: var(--bad); font-size: 12px; margin-top: 4px; }

/* Diálogos e avisos */
.dialog { width: min(760px, calc(100% - 24px)); border: 1px solid var(--line); border-radius: 20px; background: var(--card); color: var(--text); padding: 26px; box-shadow: var(--shadow); }
.dialog::backdrop { background: rgb(0 0 0 / .55); backdrop-filter: blur(4px); }
.dialog h2 { margin: 0 0 6px; }
.dlg-close { position: absolute; right: 18px; top: 18px; }
.packs { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-top: 18px; }
.pack { border: 1px solid var(--line); border-radius: 16px; padding: 18px; background: var(--card-2); display: flex; flex-direction: column; gap: 6px; position: relative; }
.pack.hl { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.pack .tag { position: absolute; top: -10px; right: 12px; background: var(--accent); color: #fff; font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px; }
.pack .big-n { font-size: 30px; font-weight: 800; font-variant-numeric: tabular-nums; }
.pack .price { font-size: 20px; font-weight: 700; }
.pack .per { font-size: 12px; color: var(--muted); }
.pack .btn { margin-top: auto; }

.toasts { position: fixed; right: 18px; bottom: 18px; display: grid; gap: 10px; z-index: 50; }
.toast { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 12px; padding: 12px 14px; box-shadow: var(--shadow); max-width: 360px; animation: pop .25s ease; font-size: 14px; }
.toast.ok { border-left-color: var(--good); }
.toast.err { border-left-color: var(--bad); }
@keyframes pop { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }

/* Responsivo */
@media (max-width: 1180px) {
  .app { grid-template-columns: 240px minmax(0, 1fr); }
  .history { grid-column: 1 / -1; position: static; max-height: none; }
}
@media (max-width: 760px) {
  .auth { grid-template-columns: 1fr; gap: 24px; margin: 24px auto; padding: 0 16px; }
  .app { grid-template-columns: 1fr; padding: 12px; gap: 12px; }
  .ops { position: static; max-height: none; }
  .topbar { padding: 12px 14px; }
  .workspace, .history { padding: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .cost-bar { flex-direction: column; align-items: stretch; }
  .cost-bar .btn { width: 100%; }
  .ws-head h2 { font-size: 20px; }
}