:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel2: #1f232c;
  --border: #2a2f3a;
  --text: #e7eaf0;
  --muted: #93a0b4;
  --accent: #ee4d2d;      /* Shopee orange */
  --accent2: #ff7337;
  --ok: #2ecc71;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif; font-size: 15px;
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
header h1 { font-size: 20px; margin: 0; }
.badge {
  font-size: 12px; padding: 4px 10px; border-radius: 20px;
  background: var(--panel2); color: var(--muted); border: 1px solid var(--border);
}
.badge.on { color: var(--ok); border-color: var(--ok); }

main {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  max-width: 1200px; margin: 24px auto; padding: 0 24px;
}
@media (max-width: 900px) { main { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px;
}
.panel h2 {
  font-size: 15px; margin: 22px 0 12px; color: var(--accent2);
  border-bottom: 1px solid var(--border); padding-bottom: 6px;
}
.panel h2:first-child { margin-top: 0; }

label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0; }
input, textarea, select {
  width: 100%; margin-top: 5px; padding: 9px 11px; font-size: 14px;
  background: var(--panel2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.dropzone {
  border: 2px dashed var(--border); border-radius: 12px; padding: 26px;
  text-align: center; color: var(--muted); transition: .15s; cursor: pointer;
}
.dropzone.drag { border-color: var(--accent); background: rgba(238,77,45,.06); }
.dropzone p { margin: 0 0 4px; }
.link { color: var(--accent2); cursor: pointer; text-decoration: underline; }

.thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.thumb {
  position: relative; width: 74px; height: 74px; border-radius: 8px;
  overflow: hidden; border: 1px solid var(--border); cursor: grab;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb .idx {
  position: absolute; top: 2px; left: 2px; background: rgba(0,0,0,.7);
  font-size: 11px; padding: 1px 5px; border-radius: 4px;
}
.thumb .del {
  position: absolute; top: 2px; right: 2px; background: rgba(0,0,0,.7);
  width: 18px; height: 18px; border-radius: 50%; line-height: 18px;
  text-align: center; font-size: 12px; cursor: pointer;
}
.thumb.dragging { opacity: .4; }

.btn {
  display: inline-block; width: 100%; margin-top: 12px; padding: 11px 14px;
  font-size: 14px; font-weight: 600; text-align: center; cursor: pointer;
  background: var(--panel2); color: var(--text);
  border: 1px solid var(--border); border-radius: 9px; transition: .15s;
}
.btn:hover { border-color: var(--accent2); }
.btn.accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.accent:hover { background: var(--accent2); }
.btn.big { font-size: 17px; padding: 15px; background: var(--accent); border-color: var(--accent); color:#fff; }
.btn.big:hover { background: var(--accent2); }
.btn.small { width: auto; padding: 7px 12px; font-size: 12px; margin-top: 6px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.note { font-size: 12px; color: var(--muted); margin-top: 8px; min-height: 14px; }
.hint { display:block; color: var(--muted); font-size: 12px; margin-top: 6px; }
.hint code { background: var(--panel2); padding: 1px 5px; border-radius: 4px; }
hr { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

.progress-box { margin-top: 16px; }
.bar { height: 10px; background: var(--panel2); border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; width: 0; background: linear-gradient(90deg,var(--accent),var(--accent2)); transition: width .3s; }
#progMsg { font-size: 13px; color: var(--muted); margin: 8px 0 0; }

.result { margin-top: 18px; text-align: center; }
.result video { width: 100%; max-height: 60vh; border-radius: 10px; background:#000; }

.history-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.history-head h2 { flex: 1; margin-bottom: 8px; }
.saved-jobs { display: grid; gap: 8px; margin-top: 12px; }
.saved-job { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel2); }
.saved-job strong { display: block; font-size: 13px; color: var(--text); }
.saved-job small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.saved-job .btn.small { margin: 0; white-space: nowrap; }
@media (max-width: 560px) { .saved-job { grid-template-columns: 1fr; } .saved-job .btn.small { width: 100%; } }


header small { display: block; color: var(--muted); margin-top: 3px; }
.top-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.btn.ghost { background: transparent; }
.auth-wrap { max-width: 920px; margin: 28px auto; padding: 0 24px; }
.auth-card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.auth-card h2 { margin: 0 0 12px; color: var(--accent2); font-size: 18px; }
.auth-card #authMsg { grid-column: 1 / -1; }
.limit-box { border: 1px solid rgba(238,77,45,.35); background: rgba(238,77,45,.08); border-radius: 10px; padding: 10px 12px; margin-bottom: 14px; }
.limit-box strong { display: block; color: var(--accent2); margin-bottom: 3px; }
.limit-box span { color: var(--muted); font-size: 12px; }
.history-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.history-head h2 { flex: 1; margin-bottom: 8px; }
.saved-jobs, .users-list { display: grid; gap: 8px; margin-top: 12px; }
.saved-job { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel2); }
.saved-job strong, .user-row strong { display: block; font-size: 13px; color: var(--text); }
.saved-job small, .user-row small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.row-actions { display: flex; gap: 6px; align-items: center; }
.row-actions .btn.small { margin: 0; white-space: nowrap; }
.user-row { display: grid; grid-template-columns: minmax(180px, 1fr) 110px 100px 80px 80px auto; gap: 8px; align-items: center; padding: 10px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel2); }
.user-row input, .user-row select { margin-top: 0; }
.user-row .btn.small { margin-top: 0; }
@media (max-width: 760px) {
  header { align-items: flex-start; gap: 10px; flex-direction: column; }
  .top-actions { justify-content: flex-start; }
  .auth-card { grid-template-columns: 1fr; }
  .grid2 { grid-template-columns: 1fr; }
  .saved-job, .user-row { grid-template-columns: 1fr; }
  .row-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .row-actions .btn.small, .saved-job .btn.small { width: 100%; }
}

.scene-preview { margin: 10px 0 4px; display: grid; gap: 8px; }
.scene-preview > strong { color: var(--accent2); font-size: 13px; }
.scene-card { border: 1px solid var(--border); background: rgba(255,255,255,.035); border-radius: 10px; padding: 9px 10px; display: grid; gap: 3px; }
.scene-card b { font-size: 13px; color: var(--text); }
.scene-card span { font-size: 12px; color: var(--muted); line-height: 1.35; }
.scene-card small { color: var(--accent2); font-size: 11px; }
@media (max-width: 760px) {
  main { margin: 12px auto; padding: 0 10px; gap: 12px; }
  .panel { padding: 14px; border-radius: 12px; }
  .dropzone { padding: 18px 12px; }
  header { padding: 12px 14px; }
  header h1 { font-size: 18px; }
  .btn.big { font-size: 15px; padding: 13px; }
}