* {
  box-sizing: border-box;
}

:root {
  --bg: #0d1018;
  --panel: #151a24;
  --panel-soft: #1b2230;
  --line: #2d3545;
  --text: #edf1f7;
  --muted: #9aa6b8;
  --accent: #f4b84a;
  --accent-strong: #ff8d3a;
  --danger: #ff6b6b;
  --success: #70e08f;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", Arial, sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 16, 24, 0.96);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
}

.brand {
  display: grid;
  gap: 3px;
  min-width: 180px;
}

.brand strong {
  color: var(--accent);
  font-size: 18px;
}

.brand span {
  color: var(--muted);
  font-size: 12px;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 22px 16px 80px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.tab,
.btn,
.btn-small {
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--panel-soft);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.tab {
  padding: 9px 15px;
  border-radius: 8px;
  color: var(--muted);
}

.tab.active {
  color: #16120a;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  font-weight: 700;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 14px;
}

.panel-title {
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 4px;
}

.field-label,
.controls span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 7px;
}

input,
select,
textarea {
  width: 100%;
  color: var(--text);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  padding: 10px 12px;
}

textarea {
  min-height: 180px;
  resize: vertical;
  line-height: 1.7;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
}

.controls {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.btn {
  min-height: 40px;
  padding: 0 16px;
  border-radius: 8px;
}

.btn-primary {
  min-width: 160px;
  color: #16120a;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  font-weight: 800;
}

.btn-secondary:hover,
.btn-small:hover,
.tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn:disabled,
.btn-small:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.status {
  margin-top: 14px;
  padding: 12px;
  border-radius: 8px;
  background: #202838;
  border: 1px solid var(--line);
  color: var(--muted);
  line-height: 1.5;
}

.status.error {
  border-color: var(--danger);
  color: var(--danger);
}

.result-panel video {
  width: 100%;
  max-height: 62vh;
  background: #000;
  border-radius: 8px;
  margin-top: 10px;
}

.history-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.history-head p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.history-list {
  display: grid;
  gap: 10px;
}

.history-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.history-prompt {
  line-height: 1.55;
  max-height: 48px;
  overflow: hidden;
  color: var(--text);
}

.history-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 7px;
  color: var(--muted);
  font-size: 11px;
}

.history-message {
  margin-top: 6px;
  color: var(--danger);
  font-size: 12px;
}

.history-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.btn-small {
  min-height: 30px;
  padding: 0 10px;
  border-radius: 7px;
  font-size: 12px;
}

.badge {
  padding: 2px 7px;
  border-radius: 99px;
  border: 1px solid currentColor;
}

.badge.ok {
  color: var(--success);
}

.badge.bad {
  color: var(--danger);
}

.badge.pending {
  color: var(--accent);
}

.empty {
  padding: 34px 12px;
  text-align: center;
  color: var(--muted);
  background: var(--panel-soft);
  border: 1px dashed var(--line);
  border-radius: 8px;
}

@media (max-width: 760px) {
  .topbar-inner,
  .history-head,
  .history-item {
    display: grid;
  }

  .controls {
    grid-template-columns: 1fr 1fr;
  }

  .history-item {
    grid-template-columns: 1fr;
  }

  .history-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .controls {
    grid-template-columns: 1fr;
  }

  .btn,
  .btn-primary,
  .btn-secondary {
    width: 100%;
  }
}