:root {
  --bg: #0a0c11;
  --panel: #12161f;
  --panel2: #171c27;
  --line: #242b3a;
  --text: #e9edf5;
  --mut: #8c96ab;
  --accent: #f7b731;
  --ok: #21c55d;
  --danger: #ef4444;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(1200px 700px at 20% -10%, #1a2030 0%, var(--bg) 60%);
  color: var(--text);
  font: 14px/1.5 "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
}

a { color: var(--accent); }

/* ---------- topo ---------- */

header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 22px;
  background: rgba(10, 12, 17, .88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
  flex-wrap: wrap;
}

header h1 {
  margin: 0;
  font-size: 17px;
  letter-spacing: .3px;
}
header h1 span { color: var(--accent); }
header .grow { flex: 1; }
header .count { color: var(--mut); font-size: 13px; }

nav.tabs { display: flex; gap: 4px; padding: 0 22px; border-bottom: 1px solid var(--line); }
nav.tabs button {
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--mut);
  padding: 12px 16px;
  font: 600 13.5px "Segoe UI", system-ui, sans-serif;
  cursor: pointer;
}
nav.tabs button.on { color: var(--text); border-bottom-color: var(--accent); }
nav.tabs button:hover { color: var(--text); }

main { padding: 22px; max-width: 1500px; margin: 0 auto; }
.tab { display: none; }
.tab.on { display: block; }
.hidden { display: none !important; }

/* ---------- controles ---------- */

button {
  font: 600 13px "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: #1e2431;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 13px;
  cursor: pointer;
}
button:hover { background: #283040; border-color: #3a4459; }
button.primary { background: var(--ok); border-color: transparent; color: #052012; }
button.primary:hover { background: #2ada6c; }
button.gold { background: var(--accent); border-color: transparent; color: #241900; }
button.gold:hover { background: #ffc94d; }
button.ghost { background: transparent; }
button.danger { color: #ffb4b4; border-color: #4a2429; background: #23151a; }
button.danger:hover { background: #33191f; }
button.sm { padding: 6px 9px; font-size: 12px; }

input[type="text"], input[type="number"], textarea, select {
  width: 100%;
  background: #0e1219;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px 12px;
  font: 14px "Segoe UI", system-ui, sans-serif;
}
input:focus, textarea:focus, select:focus { outline: 2px solid #2f3c55; border-color: #3d4a63; }
textarea { resize: vertical; min-height: 74px; }
label.lbl { display: block; font-size: 12px; color: var(--mut); margin: 0 0 6px; font-weight: 600; letter-spacing: .3px; text-transform: uppercase; }
.field { margin-bottom: 14px; }
.row { display: flex; gap: 12px; }
.row > * { flex: 1; }

input[type="range"].range {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
  background: transparent;
  padding: 0;
  border: 0;
}

.check { display: flex; align-items: center; gap: 9px; cursor: pointer; user-select: none; padding: 6px 0; }
.check input { width: 17px; height: 17px; accent-color: var(--ok); cursor: pointer; }

/* ---------- painéis ---------- */

.grid { display: grid; grid-template-columns: 420px 1fr; gap: 20px; align-items: start; }
@media (max-width: 1080px) { .grid { grid-template-columns: 1fr; } }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.card h2 { margin: 0 0 14px; font-size: 14.5px; letter-spacing: .3px; }
.card h2 .mut { color: var(--mut); font-weight: 400; }
.card + .card { margin-top: 20px; }

.hint { color: var(--mut); font-size: 12.5px; line-height: 1.6; }

/* ---------- galeria de fundos reutilizáveis ---------- */

.bg-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
  gap: 9px;
}
.bg-gallery .bg-empty {
  grid-column: 1 / -1;
  color: var(--mut);
  font-size: 12.5px;
  padding: 10px 0;
}
.bg-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 9px;
  overflow: hidden;
  border: 2px solid var(--line);
  background: #0b0e14;
  cursor: pointer;
}
.bg-thumb:hover { border-color: #4a5670; }
.bg-thumb.on { border-color: var(--ok); box-shadow: 0 0 0 3px rgba(33, 197, 93, .22); }
.bg-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bg-thumb .bg-name {
  position: absolute;
  inset: auto 0 0 0;
  background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, .85));
  color: #fff;
  font-size: 10.5px;
  padding: 12px 6px 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.bg-thumb .bg-del {
  position: absolute;
  top: 4px; right: 4px;
  width: 21px; height: 21px;
  display: grid; place-items: center;
  border: 0; border-radius: 6px;
  background: rgba(10, 12, 16, .82);
  color: #ffb4b4;
  font-size: 12px; line-height: 1;
  padding: 0;
  opacity: 0;
  transition: opacity .15s;
}
.bg-thumb:hover .bg-del { opacity: 1; }
.bg-thumb .bg-del:hover { background: var(--danger); color: #fff; }
.bg-thumb .bg-tag {
  position: absolute;
  top: 4px; left: 4px;
  background: rgba(10, 12, 16, .82);
  color: var(--accent);
  font-size: 9.5px;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 5px;
}

/* ---------- pacotes salvos em disco ---------- */

.packbox { margin-bottom: 20px; }
.packbox h2 { overflow: hidden; }

.packrow {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 13px;
}
.packrow + .packrow { margin-top: 8px; }
.packrow.loaded { border-color: var(--ok); }
.packrow .pk-name { font-weight: 600; font-size: 13.5px; }
.packrow .pk-meta { color: var(--mut); font-size: 12px; margin-top: 2px; }
.packrow .pk-meta .vid { color: var(--accent); }
.packrow .pk-acts { display: flex; gap: 5px; flex-wrap: wrap; justify-content: flex-end; }

.packbox .empty { padding: 22px 10px; }

/* ---------- gerador de prompt para IA ---------- */

.promptbox { margin-bottom: 20px; }
.promptbox .pb-top {
  display: grid;
  grid-template-columns: 1fr 110px;
  gap: 14px;
  align-items: end;
  margin-bottom: 14px;
}
.promptbox .pb-go { margin-top: 10px; }
.promptbox .pb-go button { padding: 10px 16px; }
.promptbox textarea {
  min-height: 0;
  font: 12.5px/1.55 "Consolas", "Cascadia Mono", monospace;
  color: var(--mut);
  background: #0b0e14;
  resize: vertical;
}
.promptbox textarea:focus { color: var(--text); }
@media (max-width: 780px) {
  .promptbox .pb-top { grid-template-columns: 1fr; }
}

/* ---------- barra de importar / exportar / auto ---------- */

.databar {
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) minmax(240px, 1fr) auto;
  gap: 18px 24px;
  align-items: end;
  margin-bottom: 20px;
}
.databar .db-col { min-width: 0; }
.databar .db-actions { justify-self: end; }
.databar .db-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.databar .db-row input[type="file"] {
  font-size: 12.5px; color: var(--mut);
  background: #0e1219; border: 1px solid var(--line);
  border-radius: 9px; padding: 7px 9px; max-width: 260px;
}
.databar .db-row .check { padding: 0; font-size: 12.5px; color: var(--mut); }
.databar .db-paste { grid-column: 1 / -1; }
.databar .db-paste textarea {
  min-height: 92px;
  font: 12.5px/1.5 "Consolas", "Cascadia Mono", monospace;
  resize: vertical;
}
.databar .db-help { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 12px; }
.databar .db-help summary { cursor: pointer; color: var(--mut); font-size: 12.5px; font-weight: 600; }
.databar .db-help summary:hover { color: var(--text); }
.databar .db-help p { margin: 12px 0 0; }
.databar code {
  background: #0b0e14; border: 1px solid var(--line); border-radius: 5px;
  padding: 1px 5px; font-size: 12px;
}
@media (max-width: 980px) {
  .databar { grid-template-columns: 1fr; }
  .databar .db-actions { justify-self: start; }
}

/* ---------- alternativas do form ---------- */

.optrow { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; }
.optrow .key {
  width: 34px; height: 34px; flex: none;
  display: grid; place-items: center;
  background: #0e1219; border: 1px solid var(--line); border-radius: 8px;
  font-weight: 800; color: var(--accent);
}
.optrow input[type="radio"] { width: 18px; height: 18px; accent-color: var(--ok); flex: none; cursor: pointer; }
.optrow.correct .key { background: var(--ok); color: #05210f; border-color: transparent; }

/* ---------- lista ---------- */

.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar input[type="text"] { max-width: 260px; }
.toolbar .grow { flex: 1; }

.qlist { display: flex; flex-direction: column; gap: 8px; }

.qitem {
  display: grid;
  grid-template-columns: auto 56px 1fr auto;
  gap: 12px;
  align-items: center;
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}
.qitem.off { opacity: .45; }
.qitem.editing { border-color: var(--accent); }
.qitem .thumb {
  width: 56px; height: 40px; border-radius: 6px; object-fit: cover;
  background: #0b0e14; border: 1px solid var(--line);
}
.qitem .thumb.ph { display: grid; place-items: center; color: #3c4658; font-size: 16px; }
.qitem .txt { min-width: 0; }
.qitem .txt b { display: block; font-size: 13.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qitem .txt small { color: var(--mut); font-size: 12px; }
.qitem .txt small .ok { color: var(--ok); font-weight: 700; }
.qitem .acts { display: flex; gap: 5px; }
.qitem .num { color: var(--mut); font-variant-numeric: tabular-nums; font-size: 12px; min-width: 22px; }

.empty { text-align: center; color: var(--mut); padding: 40px 20px; }

/* ---------- preview ---------- */

.preview { background: #06070a; border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.preview canvas { width: 100%; height: auto; display: block; border-radius: 6px; }
.preview .pv-bar { display: flex; gap: 6px; align-items: center; margin-bottom: 10px; }
.preview .pv-bar .grow { flex: 1; }
.preview .pv-dur {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--mut);
  font-size: 12.5px;
  line-height: 1.7;
}
.preview .pv-dur b { color: var(--text); }
.preview .pv-dur .big { color: var(--accent); font-size: 15px; }

.badge {
  display: inline-block; padding: 3px 8px; border-radius: 999px;
  background: #1d2431; border: 1px solid var(--line);
  font-size: 11px; color: var(--mut);
}

.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translate(-50%, 20px);
  background: #17331f; border: 1px solid #245c33; color: #b6f5c9;
  padding: 12px 18px; border-radius: 10px; font-weight: 600;
  opacity: 0; pointer-events: none; transition: .25s; z-index: 60;
}
.toast.on { opacity: 1; transform: translate(-50%, 0); }
.toast.err { background: #331717; border-color: #5c2424; color: #f5c1c1; }