:root {
  --bg: #0e0f13;
  --bg-elev: #171923;
  --bg-card: #1c1f2b;
  --fg: #e8eaf0;
  --fg-muted: #9096a6;
  --border: #262a38;
  --accent: #7c5cff;
  --accent-hover: #9178ff;
  --accent-fg: #fff;
  --success: #37d399;
  --warn: #ffaa33;
  --error: #ff6666;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 6px 24px rgba(0,0,0,0.35);
  --font: -apple-system, BlinkMacSystemFont, "Inter", system-ui, sans-serif;
}

[data-theme="light"] {
  --bg: #f7f8fb;
  --bg-elev: #fff;
  --bg-card: #fff;
  --fg: #1a1c24;
  --fg-muted: #5e6474;
  --border: #e5e7ee;
  --accent: #6c4dff;
  --accent-hover: #5539d8;
  --accent-fg: #fff;
  --success: #17a56a;
  --warn: #c4770f;
  --error: #d93838;
  --shadow: 0 4px 16px rgba(15,20,40,0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.45;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.hdr {
  position: sticky; top: 0; z-index: 10;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  padding: 10px 20px;
}
.hdr .logo { font-weight: 700; font-size: 16px; letter-spacing: 0.3px; }
.hdr nav { display: flex; gap: 4px; margin-left: 12px; }
.hdr nav a {
  padding: 6px 12px; border-radius: 6px; color: var(--fg-muted);
  font-weight: 500;
}
.hdr nav a.active, .hdr nav a:hover { background: var(--bg-card); color: var(--fg); }
.hdr .spacer { flex: 1; }
.hdr .user { color: var(--fg-muted); font-size: 13px; }
.hdr .user b { color: var(--fg); font-weight: 600; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--fg);
  font: inherit; cursor: pointer; transition: 0.12s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-fg); }
.btn.primary:disabled { background: var(--bg-card); color: var(--fg-muted); cursor: not-allowed; border-color: var(--border); }
.btn.ghost { background: transparent; border-color: transparent; padding: 6px 10px; }
.btn.ghost:hover { background: var(--bg-card); color: var(--fg); }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn.danger:hover { border-color: var(--error); color: var(--error); }

input, textarea, select {
  font: inherit; color: var(--fg);
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 12px;
  width: 100%; outline: none;
  transition: border-color 0.12s;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 120px; font-family: var(--font); }
label { display: block; font-size: 12px; color: var(--fg-muted); margin-bottom: 6px; font-weight: 500; }

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}

.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.row > * { flex: 1 1 auto; }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 16px;
  text-align: center;
  background: var(--bg-card);
  color: var(--fg-muted);
  transition: 0.15s;
  cursor: pointer;
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); color: var(--accent); }
.dropzone.has-file { padding: 16px; text-align: left; display: flex; gap: 12px; align-items: center; }
.dropzone img {
  max-width: 72px; max-height: 120px;
  border-radius: 8px; object-fit: cover;
}
.dropzone .meta { flex: 1; font-size: 12px; color: var(--fg-muted); }
.dropzone .meta b { color: var(--fg); font-weight: 600; font-size: 13px; }

.pill {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.3px;
  text-transform: uppercase;
  background: var(--bg-elev); color: var(--fg-muted);
  border: 1px solid var(--border);
}
.pill.waiting, .pill.queuing, .pill.created { color: var(--fg-muted); }
.pill.generating { color: var(--warn); border-color: var(--warn); }
.pill.success, .pill.done { color: var(--success); border-color: var(--success); }
.pill.fail, .pill.failed, .pill.failed_prompt, .pill.failed_all { color: var(--error); border-color: var(--error); }
.pill.running { color: var(--accent); border-color: var(--accent); }

.seg {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.seg button {
  background: transparent; color: var(--fg);
  border: 0; padding: 8px 14px; cursor: pointer; font: inherit;
  border-right: 1px solid var(--border);
}
.seg button:last-child { border-right: 0; }
.seg button.active { background: var(--accent); color: var(--accent-fg); }

.jobs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.job-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
}
.job-card.success { border-color: var(--success); }
.job-card.fail { border-color: var(--border); opacity: 0.7; }
.job-card .top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.job-card .num { color: var(--fg-muted); font-size: 11px; }
.job-card .err { color: var(--error); font-size: 11px; margin-top: 4px; word-break: break-word; }

.videos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.video-card {
  position: relative;
  aspect-ratio: 9 / 16;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow);
}
.video-card video { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-card .dl {
  position: absolute; top: 8px; right: 8px;
  background: rgba(0,0,0,0.6); color: #fff;
  padding: 6px 10px; border-radius: 6px;
  font-size: 12px; text-decoration: none;
  backdrop-filter: blur(8px);
}
.video-card .dl:hover { background: var(--accent); color: var(--accent-fg); }

/* history */
.hist-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 14px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  background: var(--bg-card);
  align-items: stretch;
}
.hist-row .thumb {
  width: 72px; height: 128px;
  border-radius: 8px; overflow: hidden;
  background: #000; flex-shrink: 0;
}
.hist-row .thumb img { width: 100%; height: 100%; object-fit: cover; }
.hist-row .body { min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.hist-row .prompt-line {
  display: flex; gap: 6px; align-items: flex-start;
  font-size: 13px; color: var(--fg);
}
.hist-row .prompt-line .txt {
  flex: 1; overflow: hidden; text-overflow: ellipsis;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.hist-row .meta { display: flex; gap: 12px; color: var(--fg-muted); font-size: 12px; flex-wrap: wrap; }
.hist-row .meta span b { color: var(--fg); font-weight: 600; }
.hist-row .videos-mini {
  display: flex; gap: 6px; flex-wrap: wrap;
  align-items: flex-start; justify-content: flex-end;
}
.hist-row .vm {
  position: relative;
  width: 72px; aspect-ratio: 9/16;
  border-radius: 6px; overflow: hidden; background: #000;
}
.hist-row .vm video { width: 100%; height: 100%; object-fit: cover; }
.hist-row .vm .dl-mini {
  position: absolute; inset: 0; display: flex; align-items: flex-end; justify-content: flex-end;
  padding: 4px; opacity: 0; transition: 0.15s;
}
.hist-row .vm:hover .dl-mini { opacity: 1; }
.hist-row .vm .dl-mini a {
  background: rgba(0,0,0,0.7); color: #fff; padding: 3px 6px; border-radius: 4px;
  font-size: 10px; text-decoration: none;
}
.hist-row .fail-reason {
  font-size: 12px; color: var(--error);
  background: rgba(255,102,102,0.08); padding: 6px 8px; border-radius: 6px;
  border-left: 3px solid var(--error);
}

.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 16px; color: var(--fg-muted); font-size: 13px; align-items: center; }

.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.login-box {
  width: 100%; max-width: 340px;
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 28px 24px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.login-box h1 { margin: 0 0 18px; font-size: 20px; }
.login-box .field { margin-bottom: 12px; }
.login-box .err { color: var(--error); font-size: 12px; margin-top: 8px; }

.err-banner {
  background: rgba(255,102,102,0.08);
  border: 1px solid var(--error); color: var(--error);
  padding: 8px 12px; border-radius: 8px;
  margin-bottom: 10px; font-size: 13px;
}

.modal-backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.82);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal-video {
  max-width: 90vw; max-height: 90vh;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  background: #000;
  display: block;
}
.modal-tools {
  position: absolute; top: 16px; right: 16px;
  display: flex; gap: 8px;
}
.modal-tools a, .modal-tools button {
  background: rgba(255,255,255,0.12); color: #fff;
  padding: 8px 14px; border-radius: 8px;
  font-size: 13px; text-decoration: none;
  border: 0; cursor: pointer; font: inherit;
  backdrop-filter: blur(8px);
}
.modal-tools a:hover, .modal-tools button:hover { background: rgba(255,255,255,0.22); }

.toast-wrap { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; box-shadow: var(--shadow); font-size: 13px; min-width: 200px; }
.toast.error { border-color: var(--error); }
.toast.success { border-color: var(--success); }

.timer { font-variant-numeric: tabular-nums; color: var(--fg-muted); font-size: 12px; }
.muted { color: var(--fg-muted); }
.small { font-size: 12px; }

.theme-toggle { background: transparent; border: 1px solid var(--border); padding: 6px 10px; border-radius: 8px; color: var(--fg); cursor: pointer; font-size: 14px; }
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* admin */
.users-table { width: 100%; border-collapse: collapse; }
.users-table th, .users-table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
.users-table th { color: var(--fg-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; }

/* mobile */
@media (max-width: 640px) {
  .container { padding: 16px 12px; }
  .hist-row { grid-template-columns: 56px 1fr; }
  .hist-row .videos-mini { grid-column: 1 / -1; justify-content: flex-start; }
  .hdr { padding: 8px 12px; gap: 8px; }
  .hdr nav a { padding: 6px 8px; font-size: 13px; }
}