/* speedtest-server 现代科技风 UI（全站主题：玻璃拟态 + 渐变发光，明暗双态）
   类名与功能页保持一致；此处仅重构视觉与布局。 */
:root {
  /* 设计令牌 */
  --bg: #0b1220;
  --bg-soft: #0f1626;
  --bg-grad-1: #0b1220;
  --bg-grad-2: #0d1b2e;
  --bg-grad-3: #101b33;
  --card: rgba(255, 255, 255, 0.055);
  --card-solid: #131c2e;
  --card-border: rgba(148, 180, 255, 0.16);
  --card-border-strong: rgba(148, 180, 255, 0.28);
  --text: #e8eefb;
  --text-dim: #a9b6cd;
  --muted: #8494ad;
  --accent: #4f8cff;
  --accent-2: #8b5cf6;
  --accent-3: #22d3ee;
  --accent-soft: rgba(79, 140, 255, 0.14);
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --dl: #38bdf8;
  --ul: #fb923c;
  --lat: #34d399;
  --jit: #f472b6;
  --glow: 0 0 24px rgba(79, 140, 255, 0.25);
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --space: 16px;
  --nav-h: 58px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* 浅色模式（跟随系统；显式深色主题默认，浅色为派生亮色变体） */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fb;
    --bg-grad-1: #f4f6fb;
    --bg-grad-2: #eaf0fb;
    --bg-grad-3: #e6edfa;
    --card: rgba(255, 255, 255, 0.72);
    --card-solid: #ffffff;
    --card-border: rgba(15, 30, 70, 0.12);
    --card-border-strong: rgba(15, 30, 70, 0.2);
    --text: #14213d;
    --text-dim: #33425c;
    --muted: #62708c;
    --accent: #2563eb;
    --accent-soft: rgba(37, 99, 235, 0.1);
    --glow: 0 0 22px rgba(37, 99, 235, 0.14);
    --shadow: 0 8px 26px rgba(15, 30, 70, 0.12);
  }
}
:root[data-theme="light"] { /* 手动浅色 */
  --bg: #f4f6fb;
  --bg-grad-1: #f4f6fb;
  --bg-grad-2: #eaf0fb;
  --bg-grad-3: #e6edfa;
  --card: rgba(255, 255, 255, 0.72);
  --card-solid: #ffffff;
  --card-border: rgba(15, 30, 70, 0.12);
  --card-border-strong: rgba(15, 30, 70, 0.2);
  --text: #14213d;
  --text-dim: #33425c;
  --muted: #62708c;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.1);
  --glow: 0 0 22px rgba(37, 99, 235, 0.14);
  --shadow: 0 8px 26px rgba(15, 30, 70, 0.12);
}
:root[data-theme="dark"] { /* 手动深色 */
  --bg: #0b1220;
  --bg-grad-1: #0b1220;
  --bg-grad-2: #0d1b2e;
  --bg-grad-3: #101b33;
  --card: rgba(255, 255, 255, 0.055);
  --card-solid: #131c2e;
  --card-border: rgba(148, 180, 255, 0.16);
  --card-border-strong: rgba(148, 180, 255, 0.28);
  --text: #e8eefb;
  --text-dim: #a9b6cd;
  --muted: #8494ad;
  --accent: #4f8cff;
  --accent-2: #8b5cf6;
  --accent-3: #22d3ee;
  --accent-soft: rgba(79, 140, 255, 0.14);
  --glow: 0 0 24px rgba(79, 140, 255, 0.25);
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  background:
    radial-gradient(1200px 600px at 15% -10%, var(--bg-grad-3), transparent 60%),
    radial-gradient(1000px 520px at 110% 0%, rgba(139, 92, 246, 0.16), transparent 55%),
    linear-gradient(160deg, var(--bg-grad-1), var(--bg-grad-2));
  background-attachment: fixed;
}

#app { max-width: 1120px; margin: 0 auto; padding: 0 20px 48px; }

button, input, select { font: inherit; }

button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid var(--accent-3);
  outline-offset: 2px;
}

::selection { background: var(--accent); color: #fff; }

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

/* ---------- 顶部导航 + 状态栏 ---------- */
header.topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  min-height: var(--nav-h);
  padding: 12px 0 14px;
  border-bottom: 1px solid var(--card-border);
}
header.topbar .brand {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.3px;
  white-space: nowrap;
  background: linear-gradient(90deg, var(--accent-3), var(--accent) 55%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
header.topbar .brand .bolt { filter: drop-shadow(0 0 6px var(--accent)); }
header.topbar nav { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; }
header.topbar nav a {
  padding: 7px 12px;
  border-radius: 8px;
  color: var(--text-dim);
  font-weight: 650;
  font-size: 13.5px;
  transition: background 0.18s, color 0.18s;
}
header.topbar nav a:hover { background: var(--accent-soft); color: var(--text); text-decoration: none; }
header.topbar nav a.active {
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: inset 0 -2px 0 var(--accent);
}
header.topbar .who { color: var(--muted); font-size: 13px; }
header.topbar .status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--muted);
  padding: 5px 12px; border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--card);
}
header.topbar .status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 8px var(--good); }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 18px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
}
.card::before { /* 顶部高光线 */
  content: "";
  position: absolute; top: 0; left: 22px; right: 22px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-border-strong), transparent);
  border-radius: 50%;
}
.card h2 { margin: 0 0 16px; font-size: 17px; letter-spacing: 0.2px; }
.card h3 { margin: 16px 0 8px; font-size: 14px; color: var(--text-dim); }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  border: none;
  border-radius: 10px;
  padding: 10px 20px;
  font-size: 14px;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 600;
  transition: filter 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 2px 8px rgba(79, 140, 255, 0.2);
}
.btn:hover { filter: brightness(1.1); box-shadow: var(--glow); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }
.btn.secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--card-border-strong);
  box-shadow: none;
}
.btn.danger { background: linear-gradient(135deg, #ef4444, #b91c1c); box-shadow: 0 2px 8px rgba(239, 68, 68, 0.25); }
.btn.small { padding: 5px 13px; font-size: 13px; border-radius: 8px; }
.btn.block { width: 100%; }

input[type=text], input[type=password], input[type=number], select {
  width: 100%;
  padding: 10px 13px;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  background: var(--card-solid);
  color: var(--text);
  font-size: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input[type=text]:focus, input[type=password]:focus, input[type=number]:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--muted); }
.form-row { margin-bottom: 14px; }
.form-actions { display: flex; gap: 10px; margin-top: 16px; }

/* ---------- 表格 ---------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--card-border); font-size: 13px; }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tr:hover td { background: var(--accent-soft); }

/* ---------- 徽章 ---------- */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.admin { background: rgba(248, 113, 113, 0.16); color: var(--bad); }
.badge.user { background: rgba(79, 140, 255, 0.16); color: var(--accent); }
.badge.guest { background: rgba(251, 191, 36, 0.16); color: var(--warn); }

/* ---------- 指标卡 ---------- */
.metrics { display: flex; gap: 12px; flex-wrap: wrap; margin: 14px 0; }
.metric {
  flex: 1 1 150px;
  background: var(--card-solid);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
  backdrop-filter: blur(6px);
  transition: transform 0.15s, border-color 0.15s;
}
.metric:hover { transform: translateY(-2px); border-color: var(--card-border-strong); }
.metric .v {
  font-size: 26px; font-weight: 800;
  font-family: var(--mono);
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.metric .k { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ---------- 进度条 ---------- */
.progress-track {
  height: 10px;
  display: block;
  background: var(--card-border);
  border-radius: 999px;
  overflow: hidden;
  isolation: isolate;
}
.progress-fill {
  display: block;
  height: 10px;
  width: 0%;
  margin: 0;
  background: linear-gradient(90deg, var(--accent-3), var(--accent), var(--accent-2));
  border-radius: 999px;
  transition: width 0.2s ease;
  box-shadow: inset 0 0 5px rgba(255,255,255,.22), inset 0 0 8px var(--accent);
}

/* ---------- 图表 ---------- */
canvas.chart {
  width: 100%; height: 200px; display: block; margin-top: 12px;
  background: var(--card-solid);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
}
canvas.chart.lat { height: 120px; }

.chart-legend { display: flex; gap: 16px; align-items: center; margin-top: 10px; font-size: 13px; color: var(--muted); }
.chart-legend label { display: inline-flex; align-items: center; gap: 4px; margin: 0; cursor: pointer; }
.lg-dl { color: var(--dl); font-size: 10px; }
.lg-ul { color: var(--ul); font-size: 10px; }

/* 速率单位切换按钮（内嵌于测速页/历史页工具栏，不再悬浮全局） */
.unit-toggle { flex: 0 0 auto; }

/* ---------- 仪表盘 gauge ---------- */
.gauge-wrap { display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-evenly; align-items: flex-start; margin: 2px 0 42px; }
.gauge-box { text-align: center; position: relative; min-width: 220px; min-height: 205px; }
.gauge-box svg { display: block; overflow: visible; filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.18)); }
.gauge-box .cap { font-size: 13px; color: var(--muted); margin-top: 6px; letter-spacing: 0.5px; }
.gauge-val {
  position: absolute;
  top: 145px; left: 0; right: 0;
  height: 48px;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  pointer-events: none;
  z-index: 2;
}
.gauge-val .v {
  font-size: 26px; font-weight: 800; font-family: var(--mono);
  color: var(--text); line-height: 1.05;
  text-shadow: 0 0 18px rgba(56, 189, 248, 0.3);
}
.gauge-val .u { font-size: 12px; color: var(--muted); margin-top: 3px; }
.gauge-tick-line { stroke: var(--muted); stroke-width: 1.5; opacity: .8; }
.gauge-tick-label { fill: var(--muted); font: 10px var(--mono); text-anchor: middle; opacity: .9; }

.file-btns { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.file-btns .btn { padding: 6px 12px; font-size: 13px; }

/* ---------- 结果卡 ---------- */
.result-card {
  margin-top: 14px; padding: 14px 16px;
  border: 1px solid var(--card-border); border-radius: var(--radius);
  background: var(--card-solid);
}
.result-grid { display: flex; gap: 12px; flex-wrap: wrap; }
.r-item { flex: 1; min-width: 120px; }
.r-item .v { font-size: 24px; font-weight: 800; font-family: var(--mono); color: var(--text); line-height: 1.05; }
.r-item .k { font-size: 12px; color: var(--muted); margin-top: 2px; }
.r-item .s { font-size: 12px; margin-top: 1px; }
.sping { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; font-size: 12px; color: var(--muted); }
.sping-item b { color: var(--text); font-family: var(--mono); }

.err { color: var(--bad); font-size: 13px; margin-top: 8px; }
.ok { color: var(--good); }
.muted { color: var(--muted); }
.center { text-align: center; }
.mt { margin-top: 14px; }
.flex { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

.meter { text-align: center; padding: 10px; }
.meter .gauge {
  font-size: 56px;
  font-weight: 800;
  font-family: var(--mono);
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1.1;
}
.meter .cap { color: var(--muted); font-size: 13px; margin-top: 6px; }

pre.samples { max-height: 220px; overflow: auto; font-size: 12px; }

/* ========== M26 统一布局原语（页面头 / 工具条 / 分区标题） ========== */
.page-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
  margin: 28px 0 22px;
}
.page-head .title {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 800;
  letter-spacing: 0.3px;
  line-height: 1.2;
  background: linear-gradient(90deg, var(--accent-3), var(--accent) 55%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.page-head .sub { color: var(--muted); font-size: 13px; margin-top: 3px; }
.page-head .actions { margin-left: auto; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.toolbar {
  display: flex;
  gap: 14px 18px;
  flex-wrap: wrap;
  align-items: flex-end;
  padding: 16px 18px;
  background: var(--card-solid);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 18px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
}
.toolbar::before {
  content: "";
  position: absolute; top: 0; left: 18px; right: 18px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-border-strong), transparent);
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field > label { margin: 0; font-size: 12px; color: var(--muted); letter-spacing: 0.2px; font-weight: 600; }
.field select, .field input { width: auto; min-width: 148px; }
.field .val { font-size: 13px; color: var(--text-dim); font-weight: 600; }
.controls { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }

.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin: 26px 0 12px;
}
.section-title::before {
  content: "";
  width: 4px; height: 16px; border-radius: 2px;
  background: linear-gradient(180deg, var(--accent-3), var(--accent));
  box-shadow: 0 0 8px var(--accent);
}
.section-title .hint { font-size: 12px; color: var(--muted); font-weight: 400; }
.section-title:first-child { margin-top: 0; }

.hint-line { color: var(--muted); font-size: 12px; margin: 10px 0 0; }

/* 性能基准三卡（M26.7） */
.bench-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.bench-card { display: flex; flex-direction: column; }
.bench-card .bench-icon { font-size: 22px; margin-bottom: 6px; filter: drop-shadow(0 0 6px var(--accent)); }
.bench-card h3 { margin: 0 0 4px; font-size: 15px; color: var(--text); }
.bench-card .bench-desc { font-size: 12.5px; color: var(--muted); margin-bottom: 12px; }
.bench-card .bench-actions { display: flex; gap: 8px; margin-top: 4px; }
.bench-card .progress-track { margin: 12px 0 8px; }
.bench-card .bench-phase { font-size: 12.5px; color: var(--text-dim); min-height: 18px; }
.bench-card .bench-err { color: var(--bad); font-size: 12.5px; margin-top: 6px; }
.bench-card .bench-result { margin-top: 8px; }
.bench-card.running {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--glow);
}
.bench-card.done { border-color: var(--card-border-strong); }

/* 多地 Ping 折叠（M26.4） */
.ping-body { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.ping-multi-card.open .ping-body { max-height: 700px; }
.ping-toggle { display: inline-flex; align-items: center; gap: 6px; }
.ping-toggle .caret { display: inline-block; transition: transform 0.2s; }
.ping-multi-card.open .ping-toggle .caret { transform: rotate(90deg); }

/* 测速默认参数微调（M26.5/6） */
.speed-constraints {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
}
.speed-constraints b { color: var(--text-dim); font-weight: 600; }

/* ---------- 登录页（M26.2 科技风） ---------- */
.login-wrap { display: flex; flex-direction: column; gap: 24px; max-width: 420px; margin: 0 auto; padding: 10vh 0 5vh; }
.login-brand { text-align: center; }
.login-logo {
  font-size: 44px;
  line-height: 1;
  margin-bottom: 8px;
  filter: drop-shadow(0 0 18px var(--accent));
}
.login-title {
  font-size: clamp(26px, 6vw, 32px);
  font-weight: 800;
  letter-spacing: 0.6px;
  background: linear-gradient(90deg, var(--accent-3), var(--accent) 55%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.login-sub { color: var(--muted); font-size: 13px; margin-top: 6px; }
.login-field { margin-bottom: 14px; }
.login-field label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--muted); }
.login-field input { width: 100%; padding: 11px 14px; }

/* ---------- 历史 ---------- */
.hist-list tr { cursor: pointer; }
.hist-list tr:active { opacity: 0.7; }
.hist-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.hist-tab {
  border: 1px solid var(--card-border);
  background: transparent;
  color: var(--muted);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.hist-tab:hover { background: var(--accent-soft); }
.hist-tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #fff;
  box-shadow: var(--glow);
}
.hist-day { margin-bottom: 14px; }
.hist-day-label {
  font-size: 12px; font-weight: 600; color: var(--muted);
  margin: 12px 0 6px; text-transform: uppercase; letter-spacing: 0.5px;
}

/* ---------- 基准评分条 ---------- */
.score-bar-wrap { margin-top: 16px; }
.score-val { font-size: 14px; }
.score-val b { font-size: 24px; font-family: var(--mono); color: var(--accent); margin-left: 4px; }
.badge.入门 { background: rgba(132, 148, 173, 0.16); color: var(--muted); }
.badge.标准 { background: rgba(79, 140, 255, 0.16); color: var(--accent); }
.badge.高性能 { background: rgba(52, 211, 153, 0.16); color: var(--good); }
.badge.旗舰 { background: rgba(251, 191, 36, 0.18); color: var(--warn); }
.score-bar {
  height: 10px;
  background: var(--card-border);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 8px;
}
.score-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-3), var(--accent), var(--accent-2));
  border-radius: 999px;
  box-shadow: 0 0 10px var(--accent);
  transition: width 0.4s;
}
.score-scale { display: flex; justify-content: space-between; font-size: 11px; margin-top: 4px; }
.overall-score { display: flex; gap: 10px; align-items: center; margin-top: 10px; color: var(--text-dim); font-size: 13px; }
.overall-score b { color: var(--accent-3); font: 800 20px var(--mono); margin-left: 4px; }

/* ---------- 多地 Ping ---------- */
.ping-multi-card { margin-top: 12px; }
.ping-summary { display: flex; gap: 16px; font-size: 13px; margin-bottom: 8px; color: var(--muted); flex-wrap: wrap; }
.ping-summary b { color: var(--text); font-family: var(--mono); }
.table-scroll { overflow-x: auto; }
table.ping-table { min-width: 520px; }
.ping-table tr:hover td { background: var(--accent-soft); }
.ping-failed td { color: var(--muted); }
.ping-failed td:nth-child(4) { color: var(--warn); }

@media (max-width: 680px) {
  #app { padding: 0 12px 32px; }
  header.topbar {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 8px 12px;
    padding-top: 10px;
  }
  header.topbar .brand { grid-column: 1; grid-row: 1; }
  header.topbar .who { grid-column: 2; grid-row: 1; margin-left: 0; }
  header.topbar #themeToggle { grid-column: 3; grid-row: 1; }
  header.topbar .status { grid-column: 1 / -1; grid-row: 2; justify-self: start; }
  header.topbar nav {
    grid-column: 1 / -1;
    grid-row: 3;
    order: initial;
    min-width: 0;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
    scrollbar-width: none;
  }
  header.topbar nav::-webkit-scrollbar { display: none; }
  header.topbar nav a { flex: 0 0 auto; padding: 7px 10px; }
  .page-head { margin-top: 22px; }
  .page-head .actions { width: 100%; margin-left: 0; }
  .toolbar { align-items: stretch; }
  .toolbar .field, .toolbar .field select, .toolbar .field input { width: 100%; }
  .toolbar .field { flex: 1 1 100%; }
  .toolbar .controls { width: 100%; }
  .toolbar .controls .btn { flex: 1 1 auto; }
  .gauge-wrap { gap: 4px; margin-bottom: 28px; }
  .gauge-box { min-width: min(220px, 100%); transform: scale(.92); margin: -8px 0; }
  .metrics { gap: 8px; }
  .metric { flex-basis: calc(50% - 8px); padding: 12px 8px; }
  .metric .v { font-size: 21px; }
  .result-grid .r-item { min-width: calc(50% - 8px); }
  .card { padding: 16px; }
  .table-scroll { margin: 0 -4px; }
}

@media (max-width: 380px) {
  header.topbar .who { max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .metric { flex-basis: 100%; }
  .result-grid .r-item { min-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}