* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  /* 主题色板（对齐设计规范） */
  --primary-100: #bb2649;
  --primary-200: #f35d74;
  --primary-300: #ffc3d4;
  --accent-100: #ffadad;
  --accent-200: #ffd6a5;
  --text-100: #4b4f5d;
  --text-200: #6a738b;
  --text-300: #9aa1b0;
  --bg-100: #ffffff;
  --bg-200: #f5f5f7;
  --bg-300: #cccccc;
  /* 语义映射 */
  --bg: var(--bg-200);
  --card: #ffffff;
  --border: #ececf0;
  --border-strong: #e0e0e6;
  --text: var(--text-100);
  --muted: var(--text-200);
  --pink: var(--primary-100);
  --pink-soft: var(--primary-200);
  --gold: #f0a04c;
  --green: #34a876;
  --purple: #8b7cf0;
  --red: #e0556a;
  --shadow: 0 8px 26px rgba(187, 38, 73, 0.06), 0 1px 3px rgba(75, 79, 93, 0.05);
  --shadow-hover: 0 14px 34px rgba(187, 38, 73, 0.12), 0 2px 6px rgba(75, 79, 93, 0.06);
}
html, body { height: 100%; }
body {
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  font-size: 14px;
  overflow: hidden;
  background:
    radial-gradient(1100px 480px at 8% -10%, rgba(255, 195, 212, 0.35), transparent 60%),
    radial-gradient(1000px 520px at 100% -6%, rgba(255, 214, 165, 0.28), transparent 58%),
    var(--bg-200);
}

/* 通用白色卡片 */
.glass {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

/* ---------- 顶栏 ---------- */
.topbar {
  height: 60px; display: flex; align-items: center; gap: 22px;
  padding: 0 22px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: relative; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 16px; color: var(--primary-100); }
.brand-logo { width: 28px; height: 28px; border-radius: 8px; }
.status { display: flex; align-items: center; gap: 8px; color: var(--text-200); font-size: 13px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-300); }
.dot.on { background: var(--green); box-shadow: 0 0 0 4px rgba(52, 168, 118, 0.14); animation: pulse 2s infinite; }
.dot.off { background: var(--red); box-shadow: 0 0 0 4px rgba(224, 85, 106, 0.14); }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 3px rgba(52,168,118,.14);} 50% { box-shadow: 0 0 0 6px rgba(52,168,118,.04);} }
.meta { margin-left: auto; display: flex; align-items: center; gap: 20px; color: var(--text-200); font-size: 13px; }
.meta-item b { color: var(--text-100); margin: 0 5px; font-variant-numeric: tabular-nums; font-weight: 700; }
.meta-item b.pink { color: var(--primary-100); }
.meta-item i { font-style: normal; font-size: 11px; color: var(--text-300); }
.switch-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: #fff1f4;
  color: var(--primary-100); border: 1px solid var(--primary-300);
  border-radius: 11px; padding: 8px 15px; cursor: pointer; font-family: inherit; font-size: 13px; font-weight: 600;
  transition: all .18s;
}
.switch-btn:hover {
  background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
  color: #fff; border-color: transparent; box-shadow: 0 6px 16px rgba(187, 38, 73, 0.28); transform: translateY(-1px);
}
.switch-ico { font-weight: 700; }

/* ---------- 布局 ---------- */
.layout {
  display: grid; grid-template-columns: 420px 1fr;
  gap: 16px; padding: 16px; height: calc(100vh - 60px);
}
.danmu-panel, .panel { display: flex; flex-direction: column; overflow: hidden; }
.danmu-panel { padding: 15px 15px 12px; }
.panel-title {
  font-size: 14px; color: var(--text-100); font-weight: 700; letter-spacing: .2px;
  padding: 14px 16px; flex-shrink: 0; display: flex; align-items: center; gap: 9px;
}
.panel-title::before { content: ""; width: 4px; height: 14px; border-radius: 3px;
  background: linear-gradient(180deg, var(--primary-200), var(--primary-100)); }
.danmu-panel .panel-title { padding: 0 2px 12px; }
.title-tag { font-weight: 400; color: var(--text-300); font-size: 11px; margin-left: auto; }
.badge {
  background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
  color: #fff; border-radius: 12px;
  padding: 1px 11px; font-size: 11px; margin-left: 4px; font-variant-numeric: tabular-nums;
  box-shadow: 0 3px 8px rgba(187, 38, 73, 0.22);
}

/* ---------- 弹幕流 ---------- */
.danmu-list { flex: 1; overflow-y: auto; padding-right: 6px; display: flex; flex-direction: column; gap: 9px; }
.danmu-list::-webkit-scrollbar, .dashboard::-webkit-scrollbar, .feed::-webkit-scrollbar, .hotwords::-webkit-scrollbar { width: 6px; }
.danmu-list::-webkit-scrollbar-thumb, .dashboard::-webkit-scrollbar-thumb,
.feed::-webkit-scrollbar-thumb, .hotwords::-webkit-scrollbar-thumb {
  background: #e2e2e8; border-radius: 3px;
}
.danmu-list::-webkit-scrollbar-thumb:hover { background: var(--primary-300); }
.msg { display: flex; gap: 8px; align-items: flex-start; animation: fadein .3s ease; }
.msg .avatar {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff; margin-top: 1px;
  box-shadow: 0 2px 6px rgba(75, 79, 93, 0.15);
}
.msg .bubble {
  background: #fafafc; border: 1px solid var(--border);
  border-radius: 4px 13px 13px 13px; padding: 7px 12px; line-height: 1.5;
  word-break: break-all; min-width: 0;
}
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.msg .t { color: var(--text-300); font-size: 11px; margin-right: 7px; font-variant-numeric: tabular-nums; }
.msg .u { color: var(--primary-100); font-weight: 600; margin-right: 5px; }
.msg.gift .bubble, .msg.guard .bubble { border-left: 3px solid var(--gold); background: #fff8ef; }
.msg.gift .u, .msg.guard .u { color: var(--gold); }
.msg.sc .bubble { border-left: 3px solid var(--primary-200); background: #fff1f4; }
.msg.sc .u { color: var(--primary-100); }
.msg.sc b { color: var(--primary-100); font-size: 11px; border: 1px solid var(--primary-300); background: #fff; border-radius: 5px; padding: 0 5px; margin-right: 5px; }
.msg.enter { justify-content: center; }
.msg.enter .bubble {
  background: transparent; border: 1px dashed var(--bg-300); color: var(--text-200);
  font-size: 12px; border-radius: 20px; padding: 2px 14px;
}
.msg.enter .u { color: var(--green); font-weight: 400; }
.msg.enter .avatar { display: none; }

/* ---------- 看板 ---------- */
.dashboard { display: flex; flex-direction: column; gap: 16px; overflow-y: auto; padding-right: 4px; }
.dashboard > * { flex-shrink: 0; min-width: 0; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stat-card { position: relative; padding: 17px 19px; min-width: 0; overflow: hidden; border-radius: 18px;
  transition: transform .18s, box-shadow .18s; }
.stat-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; }
.stat-card.c-pink {
  background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-200) 100%);
  border: none; box-shadow: 0 12px 28px rgba(187, 38, 73, 0.26);
}
.stat-card.c-pink::before { display: none; }
.stat-card.c-cyan::before { background: linear-gradient(180deg, #7fc4ff, #4aa8e8); }
.stat-card.c-gold::before { background: linear-gradient(180deg, #ffd28e, var(--gold)); }
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.stat-card.c-pink:hover { box-shadow: 0 16px 34px rgba(187, 38, 73, 0.34); }
.stat-label { color: var(--text-200); font-size: 12px; white-space: nowrap; }
.c-pink .stat-label { color: rgba(255, 255, 255, 0.85); }
.stat-num { font-size: 32px; font-weight: 800; margin-top: 6px; font-variant-numeric: tabular-nums; line-height: 1.1; color: var(--text-100); }
.c-pink .stat-num { color: #fff; }
.stat-foot { margin-top: 6px; font-size: 9px; letter-spacing: 1.3px; color: var(--text-300); }
.c-pink .stat-foot { color: rgba(255, 255, 255, 0.72); }
.chart-tall { height: 208px; }
.chart { height: 236px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- 礼物流水 ---------- */
.feed { flex: 1; overflow-y: auto; padding: 0 16px 12px; font-size: 13px; min-height: 150px; }
.feed-item { padding: 8px 0; border-bottom: 1px dashed #efeff3; line-height: 1.5; }
.feed-item .t { color: var(--text-300); font-size: 11px; margin-right: 7px; }
.feed-item .u { color: var(--gold); font-weight: 600; }
.feed-item .v { color: var(--primary-100); margin-left: 6px; font-weight: 700; }
.feed-empty, .words-empty { color: var(--text-300); padding: 10px 16px; font-size: 13px; }

/* ---------- 热词 ---------- */
.hotwords { flex: 1; padding: 2px 16px 14px; display: flex; flex-wrap: wrap; gap: 9px;
  align-content: flex-start; overflow-y: auto; min-height: 150px; }
.word {
  background: #f7f7fa;
  border: 1px solid var(--border);
  border-radius: 16px; padding: 5px 14px; color: var(--text-100);
  transition: transform .15s, background .15s, border-color .15s; cursor: default;
}
.word:hover { transform: scale(1.07); border-color: var(--primary-300); background: #fff1f4; }
.word .c { color: var(--primary-200); font-size: 11px; margin-left: 5px; font-weight: 700; }
.word.w1 { font-size: 18px; color: #fff; font-weight: 700; border: none;
  background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
  box-shadow: 0 5px 13px rgba(187, 38, 73, 0.24); }
.word.w1 .c { color: rgba(255,255,255,.85); }
.word.w2 { font-size: 16px; color: var(--primary-100); font-weight: 600; background: #fff1f4; border-color: var(--primary-300); }
.word.w3 { font-size: 15px; color: #c97a2e; font-weight: 600; background: #fff8ef; border-color: #ffe6c4; }

/* ==================== 移动端 / 平板响应式 ==================== */
@media (max-width: 860px) {
  html, body { height: auto; }
  body { overflow: auto; }

  /* 顶栏：两行排布，信息不挤 */
  .topbar {
    height: auto; min-height: 54px; flex-wrap: wrap; gap: 8px 14px;
    padding: 10px 14px;
  }
  .brand { font-size: 15px; }
  .brand-logo { width: 25px; height: 25px; }
  .status { font-size: 12px; order: 2; }
  .meta {
    order: 3; width: 100%; margin-left: 0; gap: 14px; flex-wrap: wrap;
    font-size: 12px; justify-content: space-between;
  }
  .meta-item i { display: none; }
  .switch-btn { padding: 6px 12px; font-size: 12px; order: 1; margin-left: auto; }

  /* 单列上下布局，整页滚动 */
  .layout {
    grid-template-columns: 1fr;
    height: auto; gap: 12px; padding: 12px;
  }
  .danmu-panel { height: 44vh; min-height: 280px; }
  .dashboard { overflow: visible; gap: 12px; padding-right: 0; }

  /* 统计卡：主卡整行，其余两张并排 */
  .cards { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card.c-pink { grid-column: 1 / -1; }
  .stat-card { padding: 14px 16px; }
  .stat-num { font-size: 27px; }
  .c-pink .stat-num { font-size: 32px; }

  /* 图表区全部单列 */
  .grid-2 { grid-template-columns: 1fr; gap: 12px; }
  .chart-tall { height: 190px; }
  .chart { height: 220px; }

  .panel-title { font-size: 13px; padding: 12px 14px; }
  .feed, .hotwords { min-height: 130px; }
}

@media (max-width: 480px) {
  .topbar { padding: 9px 12px; gap: 6px 10px; }
  .brand span { display: none; }              /* 极窄屏只留 logo，腾出空间 */
  .meta { gap: 10px; }
  .meta-item b { margin: 0 3px; }
  .layout { padding: 10px; gap: 10px; }
  .danmu-panel { height: 42vh; min-height: 240px; padding: 12px; }
  .stat-card { padding: 12px 13px; }
  .stat-label { font-size: 11px; }
  .stat-num { font-size: 23px; }
  .c-pink .stat-num { font-size: 29px; }
  .stat-foot { font-size: 8px; letter-spacing: .8px; }
  .chart-tall { height: 170px; }
  .chart { height: 200px; }
  .msg .avatar { width: 25px; height: 25px; font-size: 11px; }
  .msg .bubble { font-size: 13px; padding: 6px 10px; }
}