/* 直播源管理面板 — 极简工具风 */

:root {
  --color-bg: #fafaf9;
  --color-surface: #ffffff;
  --color-border: #e7e5e4;
  --color-border-strong: #d6d3d1;
  --color-text: #1c1917;
  --color-text-secondary: #57534e;
  --color-text-faint: #79716b;
  --color-primary: #0f766e;
  --color-primary-hover: #115e59;
  --color-primary-soft: #f0fdfa;
  --color-ok: #15803d;
  --color-ok-soft: #f0fdf4;
  --color-danger: #b91c1c;
  --color-danger-soft: #fef2f2;
  --color-warn: #b45309;
  --color-warn-soft: #fffbeb;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;

  --radius: 8px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.06);
  --shadow-md: 0 4px 12px rgb(0 0 0 / 0.08);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: system-ui, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.7;
}

button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ---------- 顶栏 ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
}
.brand svg { flex: none; }

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: background-color 150ms ease-out, border-color 150ms ease-out, color 150ms ease-out;
  white-space: nowrap;
}
.btn:hover { background: var(--color-bg); border-color: var(--color-text-faint); }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }

.btn-ghost { border-color: transparent; background: transparent; color: var(--color-text-secondary); }
.btn-ghost:hover { background: var(--color-bg); border-color: var(--color-border); color: var(--color-text); }

/* 顶栏开关 */
.toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
  padding: 6px 4px;
}
.toggle:hover { color: var(--color-text); }
.toggle input { accent-color: var(--color-primary); width: 15px; height: 15px; cursor: pointer; }

.btn-danger { color: var(--color-danger); border-color: var(--color-border); }
.btn-danger:hover { background: var(--color-danger-soft); border-color: var(--color-danger); }

.btn[disabled] { opacity: 0.55; cursor: not-allowed; }
.btn[disabled]:active { transform: none; }

/* ---------- 布局 ---------- */

.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-6);
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

/* ---------- 侧栏: 上传 + 源列表 ---------- */

.side { display: flex; flex-direction: column; gap: var(--space-4); position: sticky; top: 64px; }

@media (max-width: 900px) { .side { position: static; } }

.upload-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-6) var(--space-4);
  border: 1.5px dashed var(--color-border-strong);
  border-radius: var(--radius);
  color: var(--color-text-secondary);
  text-align: center;
  cursor: pointer;
  transition: border-color 150ms ease-out, background-color 150ms ease-out, color 150ms ease-out;
}
.upload-card:hover, .upload-card:focus-visible { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-soft); }
.upload-card.dragover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-soft); }
.upload-title { margin: var(--space-1) 0 0; font-weight: 600; color: inherit; }
.upload-hint { margin: 0; font-size: var(--text-xs); color: var(--color-text-faint); line-height: 1.6; }

.source-list { display: flex; flex-direction: column; gap: var(--space-2); }

.source-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: left;
  transition: border-color 150ms ease-out, box-shadow 150ms ease-out;
}
.source-item:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-sm); }
.source-item.active { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary); }
.source-item.disabled-src { opacity: 0.55; }

.source-item-body { flex: 1; min-width: 0; }
.source-item-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.source-item-meta { font-size: var(--text-xs); color: var(--color-text-faint); }
.source-item-meta .ok { color: var(--color-ok); }
.source-item-meta .bad { color: var(--color-danger); }

.dot { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--color-border-strong); }
.dot.ok { background: var(--color-ok); }
.dot.bad { background: var(--color-danger); }
.dot.off { background: var(--color-border-strong); }

.status-bar { margin: 0; font-size: var(--text-xs); color: var(--color-text-faint); padding: 0 var(--space-1); }

/* ---------- 主区 ---------- */

.main { min-width: 0; }

.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: 80px var(--space-6);
  color: var(--color-text-faint);
  text-align: center;
}
.empty p { margin: 0; }

.detail-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.detail-title { margin: 0; font-size: var(--text-lg); font-weight: 700; min-width: 0; overflow-wrap: anywhere; }
.detail-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-left: auto; }

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.detail-meta code {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  font-size: var(--text-xs);
  overflow-wrap: anywhere;
}

/* ---------- 频道表 ---------- */

.chan-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.chan-filter {
  flex: 1;
  min-width: 180px;
  max-width: 320px;
  padding: 6px 10px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font: inherit;
  background: var(--color-surface);
  color: var(--color-text);
}
.chan-filter:focus { border-color: var(--color-primary); outline: none; }
.progress-label { font-size: var(--text-sm); color: var(--color-text-secondary); white-space: nowrap; }

table.chan {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
table.chan th, table.chan td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
table.chan th {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-faint);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-strong);
  white-space: nowrap;
}
table.chan tr:last-child td { border-bottom: none; }
table.chan tbody tr { transition: background-color 120ms ease-out; }
table.chan tbody tr:hover { background: var(--color-bg); }

.chan-id { font-weight: 600; white-space: nowrap; }
.chan-label { color: var(--color-text-secondary); overflow-wrap: anywhere; }
.chan-url { max-width: 260px; }
.chan-url code {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chan-ops { white-space: nowrap; text-align: right; }
.chan-ops .btn { padding: 4px 8px; }

/* 状态徽标 */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
}
.chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.chip.ok   { color: var(--color-ok); background: var(--color-ok-soft); }
.chip.fail { color: var(--color-danger); background: var(--color-danger-soft); }
.chip.testing { color: var(--color-warn); background: var(--color-warn-soft); }
.chip.testing::before { animation: pulse 1s ease-in-out infinite; }
.chip.unknown { color: var(--color-text-faint); background: var(--color-bg); }

@keyframes pulse { 50% { opacity: 0.25; } }

.fail-msg { color: var(--color-danger); font-size: var(--text-xs); }

/* ---------- 空态 / 提示 ---------- */

.toast-wrap {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  z-index: 100;
  pointer-events: none;
}
.toast {
  padding: 8px 16px;
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  font-size: var(--text-sm);
  animation: rise 200ms ease-out;
}
.toast.err { background: var(--color-danger); color: #fff; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }

/* ---------- 代码弹窗 ---------- */

.modal {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  z-index: 50;
}
.modal-box {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: min(880px, 100%);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.code-body {
  margin: 0;
  padding: var(--space-4);
  overflow: auto;
  font-family: Consolas, "Courier New", monospace;
  font-size: var(--text-xs);
  line-height: 1.6;
  background: var(--color-bg);
}