/* ============================================================
   RemoteMic · 监控控制台
   深色控制台风格 · 全屏布局 · 响应式
   ============================================================ */

:root {
  --bg-0: #070b12;
  --bg-1: #0b1220;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-2: rgba(255, 255, 255, 0.055);
  --solid: #0f1726;
  --border: rgba(255, 255, 255, 0.08);
  --border-2: rgba(255, 255, 255, 0.15);

  --text: #e9eff9;
  --dim: #97a6bd;
  --mute: #62718a;

  --accent: #3b82f6;
  --accent-2: #22d3ee;
  --ok: #22c55e;
  --danger: #ef4444;
  --warn: #f59e0b;

  --grad: linear-gradient(135deg, #3b82f6, #22d3ee);
  --r-lg: 20px;
  --r-md: 14px;
  --r-sm: 10px;
  --shadow: 0 24px 60px -18px rgba(0, 0, 0, 0.85);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB',
               'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-0);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overscroll-behavior-y: none;
  -webkit-tap-highlight-color: transparent;
}

/* 触控设备：去掉点击延迟与长按菜单 */
button, select, .switch, .list-row { touch-action: manipulation; }
button, .switch { -webkit-user-select: none; user-select: none; }

.hidden { display: none !important; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: rgba(255, 255, 255, 0.07);
  padding: 1px 6px;
  border-radius: 5px;
  color: #a5c8ff;
}

/* ------------------------------------------------------------
   通用按钮
   ------------------------------------------------------------ */
.btn-primary {
  width: 100%;
  padding: 15px 20px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 2px;
  color: #fff;
  background: var(--grad);
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, filter 0.2s;
  box-shadow: 0 10px 26px -10px rgba(59, 130, 246, 0.9);
}
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 14px 34px -10px rgba(34, 211, 238, 0.95); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; filter: none; }

.btn-ghost {
  width: auto;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--dim);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.16s;
}
.btn-ghost:hover { color: #fff; background: rgba(255, 255, 255, 0.1); border-color: var(--border-2); }

.btn-solid {
  width: auto;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--grad);
  border: none;
  border-radius: 9px;
  cursor: pointer;
  transition: filter 0.16s, transform 0.16s;
}
.btn-solid:hover { filter: brightness(1.1); }
.btn-solid:active { transform: translateY(1px); }

.btn-danger {
  width: auto;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: #ffb4b4;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 9px;
  cursor: pointer;
  transition: all 0.16s;
}
.btn-danger:hover { color: #fff; background: rgba(239, 68, 68, 0.85); border-color: transparent; }

/* ============================================================
   登录页
   ============================================================ */
.login-screen {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  padding-left: calc(24px + env(safe-area-inset-left));
  padding-right: calc(24px + env(safe-area-inset-right));
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
  overflow: hidden;
  background: radial-gradient(120% 120% at 50% 0%, #0d1a30 0%, #070b12 55%, #05070c 100%);
}

.aurora {
  position: absolute;
  inset: -20%;
  pointer-events: none;
  background:
    radial-gradient(38% 34% at 18% 22%, rgba(59, 130, 246, 0.34), transparent 70%),
    radial-gradient(34% 32% at 82% 28%, rgba(34, 211, 238, 0.26), transparent 70%),
    radial-gradient(40% 36% at 55% 88%, rgba(99, 102, 241, 0.24), transparent 70%);
  filter: blur(28px);
  animation: drift 22s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to   { transform: translate3d(2%, 2%, 0) scale(1.08); }
}

.grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 70% at 50% 45%, #000 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 45%, #000 20%, transparent 100%);
}

.login-panel {
  position: relative;
  width: 100%;
  max-width: 420px;
  padding: 40px 36px 30px;
  background: rgba(16, 23, 38, 0.72);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow: var(--shadow);
}
/* 顶部高光边 */
.login-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 12%; right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(120, 195, 255, 0.85), transparent);
}

.login-brand { text-align: center; margin-bottom: 30px; }
.login-brand .mark { display: inline-flex; margin-bottom: 16px; filter: drop-shadow(0 4px 16px rgba(59, 130, 246, 0.55)); }
.login-brand h1 { font-size: 27px; font-weight: 700; letter-spacing: 1px; }
.login-tag { margin-top: 9px; font-size: 13px; color: var(--mute); letter-spacing: 0.6px; }

.login-form { display: flex; flex-direction: column; gap: 16px; }

.field { display: flex; flex-direction: column; gap: 8px; }
.field-label { font-size: 12.5px; color: var(--dim); letter-spacing: 0.5px; }

.field input {
  width: 100%;
  padding: 13px 15px;
  font-size: 15px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
}
.field input::placeholder { color: #4d5c73; }
.field input:focus {
  border-color: rgba(59, 130, 246, 0.85);
  background: rgba(59, 130, 246, 0.08);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
}

.error { color: #ff8080; font-size: 13px; min-height: 17px; text-align: center; }

.login-foot {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--mute);
  letter-spacing: 0.5px;
}
.login-foot i { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: 0.5; }
.login-foot .lock { color: #7fb2ff; }

/* ============================================================
   控制台外壳
   ============================================================ */
.app-shell {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(90% 60% at 12% -10%, rgba(59, 130, 246, 0.14), transparent 60%),
    radial-gradient(80% 60% at 95% 0%, rgba(34, 211, 238, 0.1), transparent 60%),
    var(--bg-0);
}

/* ---- 顶栏 ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
  padding: 0 28px;
  padding-left: max(28px, env(safe-area-inset-left));
  padding-right: max(28px, env(safe-area-inset-right));
  background: rgba(8, 12, 20, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.brand-inline { display: flex; align-items: center; gap: 13px; }
.brand-inline .mark { display: flex; filter: drop-shadow(0 3px 12px rgba(59, 130, 246, 0.5)); }
.app-name { font-size: 16.5px; font-weight: 650; letter-spacing: 0.4px; }
.app-sub { font-size: 10px; letter-spacing: 2.4px; color: var(--mute); margin-top: 2px; }

.topbar-right { display: flex; align-items: center; gap: 12px; }

.conn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  font-size: 12.5px;
  color: var(--dim);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
}
.conn .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.6); }
.conn.on .dot { background: var(--ok); animation: beat 2s infinite; }
.conn.off .dot { background: var(--danger); }
@keyframes beat {
  0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.user-chip {
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  color: #bcd4ff;
  background: rgba(59, 130, 246, 0.13);
  border: 1px solid rgba(59, 130, 246, 0.28);
  border-radius: 999px;
}

/* ---- 布局 ---- */
.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 22px;
  width: 100%;
  max-width: 1760px;
  margin: 0 auto;
  padding: 24px 28px 40px;
  align-items: start;
}

/* ---- 侧栏 ---- */
.sidebar {
  position: sticky;
  top: 92px;
  display: flex;
  flex-direction: column;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.panel-head { display: flex; align-items: center; justify-content: space-between; }
.panel-head h2 { font-size: 15px; font-weight: 600; letter-spacing: 0.4px; }
.count {
  min-width: 26px;
  padding: 2px 9px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: #bcd4ff;
  background: rgba(59, 130, 246, 0.16);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 999px;
}

.list { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.028);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color 0.18s, background 0.18s, transform 0.18s;
}
.list-row:hover { background: rgba(255, 255, 255, 0.055); border-color: var(--border-2); transform: translateY(-1px); }
.list-row .btn-solid, .list-row .btn-danger { flex: 0 0 auto; white-space: nowrap; }

.row-info { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-width: 0; flex: 1 1 auto; }
.row-info strong { font-size: 14px; font-weight: 600; }
.row-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  color: var(--mute);
  padding: 2px 7px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 5px;
}

.sidebar-foot {
  margin-top: 16px;
  padding-top: 15px;
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--mute);
}

.empty { color: var(--mute); font-size: 13px; line-height: 1.7; padding: 12px 2px; }

/* ---- 状态徽标 ---- */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.2px;
}
.badge.online { color: #7ef0ac; background: rgba(34, 197, 94, 0.15); border: 1px solid rgba(34, 197, 94, 0.32); }
.badge.online.off { color: #ff9b9b; background: rgba(239, 68, 68, 0.14); border-color: rgba(239, 68, 68, 0.3); }

/* ---- 主区 ---- */
.main { min-width: 0; display: flex; flex-direction: column; }

.main-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.main-head h2 { font-size: 21px; font-weight: 650; letter-spacing: 0.3px; }
.hint { margin-top: 7px; font-size: 13px; color: var(--mute); }

.stats { display: flex; gap: 10px; }
.stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.stat-n { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; color: #fff; }
.stat-l { font-size: 12px; color: var(--mute); }

/* ---- 空状态 ---- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 88px 24px;
  text-align: center;
  border: 1px dashed var(--border-2);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.015);
}
.empty-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 68px; height: 68px;
  margin-bottom: 8px;
  color: #5f7ba8;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.18);
  border-radius: 50%;
}
.empty-title { font-size: 16px; font-weight: 600; color: var(--dim); }
.empty-desc { font-size: 13px; color: var(--mute); }

/* ---- 会话网格 ---- */
.sessions {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 20px;
}

.session-card {
  display: flex;
  flex-direction: column;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.022));
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: 0 18px 44px -26px rgba(0, 0, 0, 0.9);
  transition: border-color 0.2s;
}
.session-card:hover { border-color: var(--border-2); }

.session-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.session-title { display: flex; align-items: center; gap: 9px; min-width: 0; }
.session-title strong { font-size: 15.5px; font-weight: 600; }
.pulse {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
  animation: beat 2s infinite;
  flex: 0 0 auto;
}
.sid {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  color: var(--mute);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- 画面 ---- */
.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(80% 80% at 50% 0%, #101a2c, #05080e 75%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--r-md);
  overflow: hidden;
}
.video-wrap video { width: 100%; height: 100%; object-fit: contain; display: block; }

.placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #6b7c96;
  font-size: 13.5px;
  text-align: center;
  padding: 20px;
}
.placeholder svg { opacity: 0.5; }

.video-badge {
  position: absolute;
  top: 12px; left: 12px;
  display: none;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.4px;
  color: #fff;
  background: rgba(239, 68, 68, 0.92);
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.5);
}
.video-badge.show { display: inline-flex; }
.video-badge::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #fff;
  animation: beat 1.6s infinite;
}

/* ---- 设备选择 ---- */
.devices {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
  padding: 13px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.device-row { display: flex; align-items: center; gap: 10px; }
.device-row label { flex: 0 0 52px; font-size: 12.5px; color: var(--dim); }
.device-row select {
  flex: 1;
  min-width: 0;
  padding: 8px 11px;
  font-size: 13px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.16s, box-shadow 0.16s;
}
.device-row select:focus { border-color: rgba(59, 130, 246, 0.8); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.13); }
.device-row select option { background: #101826; color: var(--text); }

.device-row .refresh { flex: 0 0 auto; padding: 8px 13px; font-size: 12px; }

/* ---- 开关 ---- */
.switches { display: flex; gap: 22px; margin-top: 16px; }
.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .track {
  position: relative;
  width: 46px; height: 26px;
  background: rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  transition: background 0.22s, box-shadow 0.22s;
  flex: 0 0 auto;
}
.switch .track::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  background: #f1f5fb;
  border-radius: 50%;
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}
.switch input:checked + .track { background: var(--grad); box-shadow: 0 0 18px -4px rgba(34, 211, 238, 0.85); }
.switch input:checked + .track::after { transform: translateX(20px); }
.switch input:focus-visible + .track { box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.25); }
.switch .lbl { font-size: 14px; color: var(--dim); }
.switch input:checked ~ .lbl { color: #fff; }

.status { margin-top: 14px; font-size: 12.5px; color: var(--mute); }

audio { display: none; }

/* ============================================================
   响应式 / 触控适配
   ============================================================ */

/* ---- 平板 / 窄桌面：侧栏移到顶部，设备列表两列排布 ---- */
@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .list { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
  .sessions { grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); }
}

/* ---- 小平板 / 手机横屏 ---- */
@media (max-width: 820px) {
  /* 手机上看监控优先：画面在上，设备栏沉底 */
  .layout { display: flex; flex-direction: column; padding: 18px; gap: 16px; }
  .main { order: 1; }
  .sidebar { order: 2; }
  .main-head { flex-direction: column; align-items: stretch; gap: 14px; }
  .main-head h2 { font-size: 19px; }
  .stats { width: 100%; }
  .stat { flex: 1; justify-content: center; padding: 10px 8px; }
  .sessions { grid-template-columns: 1fr; gap: 16px; }
}

/* ---- 手机竖屏 ---- */
@media (max-width: 620px) {
  /* 顶栏收紧，避免用户名把人挤下去 */
  .topbar { height: 58px; padding: 0 12px; gap: 10px; }
  .brand-inline { gap: 10px; min-width: 0; }
  .brand-inline .mark svg { width: 26px; height: 26px; }
  .app-name { font-size: 15px; }
  .app-sub { display: none; }
  .topbar-right { gap: 8px; flex: 0 0 auto; }
  .conn { padding: 8px 10px; }
  .conn span:not(.dot) { display: none; }
  .user-chip {
    max-width: 92px;
    padding: 6px 11px;
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .btn-ghost { padding: 8px 13px; }

  .layout { padding: 12px; gap: 14px; }

  /* 侧栏铺满，设备列表回到单列 */
  .sidebar { padding: 15px; border-radius: var(--r-md); }
  .list { display: flex; grid-template-columns: none; }
  .sidebar-foot { margin-top: 14px; padding-top: 13px; }

  /* 设备行：按钮占满宽度，便于拇指点按 */
  .list-row { flex-direction: column; align-items: stretch; gap: 11px; padding: 14px; }
  .list-row .btn-solid, .list-row .btn-danger {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
  }
  .row-info strong { font-size: 15px; }

  /* 监看区 */
  .hint { font-size: 12.5px; }
  .stat-n { font-size: 18px; }
  .stat-l { font-size: 11px; }

  .session-card { padding: 13px; border-radius: var(--r-md); }
  .session-head { margin-bottom: 12px; }
  .session-title strong { font-size: 15px; }
  .session-title .sid { display: none; }
  .session-head .btn-danger { padding: 10px 15px; }

  /* 表单控件 ≥16px，避免 iOS 聚焦时自动放大页面 */
  .field input, .device-row select, .device-row .refresh { font-size: 16px; }
  .field input { padding: 14px 15px; }
  .device-row label { flex: 0 0 46px; font-size: 12.5px; }
  .device-row select { padding: 11px 11px; }
  .device-row .refresh { padding: 11px 14px; font-size: 13px; }
  .devices { padding: 12px; gap: 11px; }

  /* 开关：加大触控热区 */
  .switches { gap: 16px; margin-top: 15px; }
  .switch { flex: 1; padding: 6px 0; }
  .switch .lbl { font-size: 14.5px; }

  .video-badge { top: 9px; left: 9px; padding: 4px 9px; font-size: 10px; }
  .placeholder { font-size: 12.5px; padding: 14px; }
  .placeholder svg { width: 28px; height: 28px; }
  .status { margin-top: 12px; }

  .empty-state { padding: 48px 18px; border-radius: var(--r-md); }
  .empty-icon { width: 58px; height: 58px; }

  /* 登录页 */
  .login-panel { padding: 32px 22px 24px; border-radius: var(--r-md); }
  .login-brand h1 { font-size: 23px; }
  .login-brand { margin-bottom: 26px; }
  .login-foot { gap: 10px; font-size: 11.5px; }
}

/* ---- 小屏手机 ---- */
@media (max-width: 400px) {
  .app-name { font-size: 14px; }
  .user-chip { max-width: 64px; padding: 6px 9px; }
  .stat { padding: 9px 6px; gap: 6px; }
  .stat-n { font-size: 16px; }
  /* 设备行：标签和下拉同行，「刷新」整行放下 */
  .device-row { flex-wrap: wrap; gap: 8px; }
  .device-row label { flex: 0 0 44px; }
  .device-row select { flex: 1 1 auto; min-width: 0; }
  .device-row .refresh { flex: 1 1 100%; text-align: center; }
  .switches { flex-direction: column; gap: 12px; }
  .switch { flex: 0 0 auto; }
  .session-head { flex-wrap: wrap; }
}

/* ---- 横屏矮屏（手机横过来看监控） ---- */
@media (max-height: 520px) and (orientation: landscape) {
  .login-screen { align-items: flex-start; padding-top: 32px; }
  .login-brand { margin-bottom: 18px; }
  .login-brand .mark svg { width: 34px; height: 34px; }
  .login-brand h1 { font-size: 20px; }
  .login-tag, .login-foot { display: none; }
}

/* ---- 减少动画偏好 ---- */
@media (prefers-reduced-motion: reduce) {
  .aurora { animation: none; }
  .conn.on .dot, .pulse, .video-badge::before { animation: none; }
}