:root {
  --bg: #0f1729;
  --card: #161b22;
  --bar: #0d1117;
  --accent: #58a6ff;
  --text: #e6edf3;
  --muted: #8b949e;
  --green: #3fb950;
  --red: #f85149;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
[v-cloak] { display: none; }
header {
  position: sticky; top: 0; z-index: 9;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; background: var(--bar);
  border-bottom: 2px solid var(--accent);
}
header h1 { font-size: 18px; margin: 0; font-weight: 600; }
header .who { color: var(--muted); font-size: 14px; margin-right: 12px; }
main { max-width: 780px; margin: 0 auto; padding: 16px; }
.card {
  background: var(--card); border: 1px solid #30363d; border-radius: 12px;
  padding: 18px; margin-bottom: 16px;
}
h2 { font-size: 16px; margin: 0 0 12px; color: var(--accent); }
button {
  background: var(--accent); color: #05131f; border: 0; border-radius: 8px;
  padding: 10px 18px; font-size: 15px; font-weight: 600; cursor: pointer;
}
button.ghost { background: transparent; color: var(--text); border: 1px solid #30363d; font-weight: 400; }
button.danger { background: transparent; color: var(--red); border: 1px solid var(--red); padding: 6px 12px; font-size: 13px; font-weight: 400; }
button:disabled { opacity: .5; }
input[type=text], input[type=password] {
  width: 100%; padding: 12px; margin-bottom: 12px; border-radius: 8px;
  border: 1px solid #30363d; background: #0d1117; color: var(--text); font-size: 16px;
}
.drop {
  border: 2px dashed #30363d; border-radius: 10px; padding: 26px 14px;
  text-align: center; color: var(--muted); margin-bottom: 12px;
}
.drop.over { border-color: var(--accent); color: var(--accent); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.item { background: #0d1117; border: 1px solid #30363d; border-radius: 10px; overflow: hidden; }
.item img { width: 100%; height: 120px; object-fit: cover; display: block; background: #000; }
.item .meta { padding: 8px 10px; }
.item .name { font-size: 13px; word-break: break-all; }
.item .sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.item .sub { display: flex; justify-content: space-between; align-items: center; }
.msg { padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; font-size: 14px; }
.msg.err { background: #3d1111; color: #ffb3ad; }
.msg.ok { background: #0a2e1a; color: #9be6b0; }
.empty { color: var(--muted); text-align: center; padding: 30px 0; }
.tip { color: var(--muted); font-size: 13px; margin-top: 10px; line-height: 1.6; }
.login-wrap { max-width: 340px; margin: 12vh auto 0; }
.login-wrap h1 { text-align: center; color: var(--accent); margin-bottom: 24px; }

/* 顶部标签导航 */
.tabs { display: flex; gap: 6px; overflow-x: auto; padding: 10px 16px 0; max-width: 780px; margin: 0 auto; }
.tabs a {
  flex: 0 0 auto; padding: 8px 14px; border-radius: 8px 8px 0 0;
  color: var(--muted); font-size: 14px; cursor: pointer; border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.tabs a.active { color: var(--accent); border-bottom-color: var(--accent); background: var(--card); }

/* 概览统计 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid #30363d; border-radius: 12px; padding: 14px 8px; text-align: center; }
.stat .num { font-size: 26px; font-weight: 700; color: var(--accent); }
.stat .num.small { font-size: 16px; color: var(--text); }
.stat .num.live { color: var(--green); }
.stat .label { font-size: 12px; color: var(--muted); margin-top: 4px; }
@media (max-width: 520px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* HDMI 预览 */
.preview { background: #000; border: 1px solid #30363d; border-radius: 10px; overflow: hidden; text-align: center; }
.preview img { width: 100%; display: block; }
.preview.big { max-width: 720px; margin: 0 auto; }
.auto { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 14px; margin-bottom: 12px; cursor: pointer; }

/* 使用记录表 */
table.act { width: 100%; border-collapse: collapse; font-size: 13px; }
table.act th, table.act td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #21262d; vertical-align: top; }
table.act th { color: var(--muted); font-weight: 500; }
table.act .dim { color: var(--muted); }

/* 实时状态徽标 */
.badge {
  display: inline-block; font-size: 11px; font-weight: 400; vertical-align: middle;
  padding: 2px 8px; border-radius: 10px; margin-left: 6px;
  color: var(--muted); border: 1px solid #30363d;
}
.badge.live { color: var(--green); border-color: var(--green); }

/* 清晰度选择 */
.controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.controls label { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 14px; }
.controls select {
  background: #0d1117; color: var(--text); border: 1px solid #30363d;
  border-radius: 8px; padding: 8px 10px; font-size: 14px;
}
.dim { color: var(--muted); }

/* 遥控按钮 */
.remote { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.remote button { width: 100%; }




/* 图片上传：多入口 + 预览 */
.up-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 10px; }
.up-actions button { width: 100%; }
.thumbs { display: flex; gap: 8px; overflow-x: auto; margin-top: 10px; }
.thumb { flex: 0 0 auto; width: 84px; height: 84px; border-radius: 8px; overflow: hidden; border: 1px solid #30363d; background: #000; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }

/* 语音消息 */
.hold-wrap { display: flex; justify-content: center; margin: 8px 0 4px; }
.hold-btn {
  width: 100%; max-width: 420px; padding: 20px 0; font-size: 18px; font-weight: 600;
  border-radius: 14px; touch-action: none; user-select: none;
}
.hold-btn.rec { background: var(--red); color: #fff; }
.chat { display: flex; flex-direction: column; gap: 10px; }
.bubble {
  background: #0d1117; border: 1px solid #30363d; border-radius: 12px;
  padding: 10px 12px; max-width: 92%;
}
.bubble.me { align-self: flex-end; border-color: #1f6feb; }
.b-top { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; margin-bottom: 6px; }
.b-body { font-size: 15px; word-break: break-all; }

/* 文字信息牌输入 */
textarea.ta {
  width: 100%; padding: 12px; margin-bottom: 12px; border-radius: 8px;
  border: 1px solid #30363d; background: #0d1117; color: var(--text);
  font-size: 15px; font-family: inherit; resize: vertical;
}

/* 上传进度与提示 */
.msg.warn { background: #3d2e00; color: #f0c674; }
.progress { height: 8px; background: #0d1117; border: 1px solid #30363d; border-radius: 6px; overflow: hidden; margin: 6px 0; }
.progress .bar { height: 100%; background: var(--accent); width: 0; transition: width .15s ease; }

/* 设备选择下拉 */
select.sel {
  width: 100%; padding: 10px; border-radius: 8px; border: 1px solid #30363d;
  background: #0d1117; color: var(--text); font-size: 15px;
}