/* ==================== 全局样式 ==================== */
/* 主题变量由 theme.css 定义（通过 [data-theme="xx"] 选择器） */
/* style.css 仅保留外观规则，所有色值使用 var() 引用 */

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

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
  background: var(--bg-dark, #0a0a2e);
  color: var(--text, #ffffff);
  overflow: hidden;
  height: 100vh;
}

/* ==================== 大屏样式 ==================== */
.screen-container {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 50%, var(--bg-dark) 100%);
  position: relative;
}

.screen-container::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at center, rgba(26,35,126,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 60px;
  background: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, transparent 100%);
  z-index: 10;
}

.screen-title {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--gold);
  text-shadow: 0 0 30px rgba(255,214,0,0.3);
}

.screen-qnum {
  font-size: 1.4rem;
  color: var(--text-secondary);
}

.screen-qnum span {
  color: var(--accent-light);
  font-size: 2rem;
  font-weight: 700;
}

.screen-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 80px;
  position: relative;
  z-index: 5;
}

.screen-question-box {
  background: var(--bg-card, rgba(21,21,64,0.8));
  border: 2px solid var(--border, rgba(255,255,255,0.1));
  border-radius: 20px;
  padding: 40px 60px;
  max-width: 1100px;
  width: 100%;
  text-align: center;
  backdrop-filter: blur(10px);
}

.screen-question-text {
  font-size: 2.2rem;
  line-height: 1.6;
  font-weight: 600;
  margin-bottom: 30px;
  color: var(--text);
}

.screen-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

.screen-option {
  background: rgba(255,255,255,0.05);
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 20px 30px;
  font-size: 1.3rem;
  text-align: left;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 15px;
}

.screen-option .opt-letter {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  flex-shrink: 0;
}

.screen-option:nth-child(1) .opt-letter { background: #e53935; }
.screen-option:nth-child(2) .opt-letter { background: #1e88e5; }
.screen-option:nth-child(3) .opt-letter { background: #f9a825; }
.screen-option:nth-child(4) .opt-letter { background: #43a047; }

.screen-option.correct {
  border-color: var(--success) !important;
  background: rgba(46,125,50,0.2) !important;
  animation: pulse-correct 0.6s ease;
}

.screen-option.wrong {
  border-color: var(--error) !important;
  background: rgba(198,40,40,0.2) !important;
  animation: shake 0.5s ease;
}

.screen-option.highlight {
  border-color: var(--gold) !important;
  background: rgba(255,214,0,0.1) !important;
}

@keyframes pulse-correct {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

/* 抢答中状态 */
.buzzer-indicator {
  text-align: center;
  margin-top: 30px;
}

.buzzer-indicator .buzzer-text {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.buzzer-indicator .timer-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 6px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 20px auto;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  box-shadow: 0 0 40px rgba(255,111,0,0.3);
}

.buzzer-indicator .timer-circle.urgent {
  border-color: var(--error);
  color: var(--error);
  animation: blink 0.5s infinite;
}

/* 屏幕底部：排行榜 */
.screen-footer {
  padding: 15px 60px 25px;
  z-index: 10;
}

.screen-scoreboard {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.score-item {
  background: var(--bg-card, rgba(21,21,64,0.7));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 140px;
  backdrop-filter: blur(5px);
}

.score-item .rank {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold);
  width: 30px;
  text-align: center;
}

.score-item .rank.top1 { color: #ffd600; font-size: 1.4rem; }
.score-item .rank.top2 { color: #b0bec5; font-size: 1.3rem; }
.score-item .rank.top3 { color: #ff8a65; font-size: 1.2rem; }

.score-item .name {
  font-size: 1.1rem;
  min-width: 60px;
}

.score-item .pts {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-light);
}

/* 等待/欢迎状态 */
.screen-welcome {
  text-align: center;
}

.screen-welcome h1 {
  font-size: 3.5rem;
  color: var(--gold);
  margin-bottom: 20px;
  text-shadow: 0 0 50px rgba(255,214,0,0.3);
}

.screen-welcome .subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.screen-welcome .player-count {
  font-size: 4rem;
  font-weight: 700;
  color: var(--accent-light);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

.screen-welcome .qr-hint {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-top: 20px;
}

/* 结果状态 */
.screen-result-box {
  text-align: center;
}

.screen-result-box .result-icon {
  font-size: 5rem;
  margin-bottom: 15px;
}

.screen-result-box .result-text {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.screen-result-box .result-player {
  font-size: 1.5rem;
  color: var(--accent-light);
}

/* 结束状态 */
.screen-end {
  text-align: center;
}

.screen-end h1 {
  font-size: 3rem;
  color: var(--gold);
  margin-bottom: 30px;
}

.screen-end .final-scores {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  max-width: 900px;
}

.screen-end .final-score-item {
  background: var(--bg-card, rgba(21,21,64,0.8));
  border-radius: 16px;
  padding: 20px 30px;
  min-width: 180px;
  border: 2px solid var(--border);
}

.screen-end .final-score-item:nth-child(1) { border-color: var(--gold); }
.screen-end .final-score-item:nth-child(2) { border-color: var(--text-secondary); }
.screen-end .final-score-item:nth-child(3) { border-color: var(--accent-light); }

/* ==================== 管理端样式 ==================== */
.admin-container {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-dark);
}

.admin-topbar {
  background: var(--bg-card);
  padding: 15px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.admin-topbar h1 {
  color: var(--gold);
  font-size: 1.4rem;
}

.admin-status {
  display: flex;
  gap: 20px;
  align-items: center;
}

.status-badge {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.status-badge.lobby { background: #37474f; }
.status-badge.question { background: #1565c0; }
.status-badge.buzzer { background: #e65100; animation: blink 1s infinite; }
.status-badge.answering { background: #6a1b9a; }
.status-badge.result { background: #2e7d32; }
.status-badge.end { background: #c62828; }

/* ===== 统一导航 Tab（所有 admin 页面共用） ===== */
.admin-tab-row {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: flex-end;
  padding: 0 24px;
  background: var(--bg-dark);
}
.admin-tab {
  display: inline-block;
  padding: 10px 28px;
  border: none;
  border-radius: 12px 12px 0 0;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  position: relative;
}
.admin-tab:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  transform: translateY(-1px);
}
.admin-tab:active { transform: translateY(0); }
.admin-tab-active,
.admin-tab-active:hover {
  background: var(--bg-card);
  color: var(--text);
  font-weight: 700;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.3);
  transform: none;
}
.admin-tab-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  border-radius: 3px 3px 0 0;
}

.admin-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.admin-left {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.admin-right {
  width: 380px;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  padding: 20px;
  overflow-y: auto;
}

/* 题目控制面板 */
.question-panel {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 25px;
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

.question-panel .q-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.question-panel .q-num {
  font-size: 1.2rem;
  color: var(--accent-light);
}

.question-panel .q-text {
  font-size: 1.3rem;
  line-height: 1.6;
  margin-bottom: 20px;
  padding: 15px;
  background: rgba(0,0,0,0.3);
  border-radius: 10px;
}

.question-panel .q-options {
  display: grid;
  gap: 10px;
}

.q-option {
  padding: 12px 20px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  font-size: 1rem;
}

.q-option.correct {
  background: rgba(46,125,50,0.3);
  border-color: var(--success);
}

.q-option .answer-badge {
  color: var(--success);
  font-weight: 700;
  margin-left: 10px;
}

/* 控制按钮 */
.control-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 15px;
}

.btn {
  padding: 10px 24px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--primary-light); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-error { background: var(--error); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-gold { background: var(--gold); color: #000; font-weight: 700; }

/* 答题者信息 */
.answerer-info {
  background: rgba(106,27,154,0.3);
  border: 1px solid var(--primary-light);
  border-radius: 12px;
  padding: 15px;
  margin: 15px 0;
  text-align: center;
}

.answerer-info .answerer-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-light);
}

.answerer-info .answerer-choice {
  font-size: 1.1rem;
  margin-top: 5px;
  color: var(--text-secondary);
}

/* 玩家列表 */
.player-list-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-secondary);
}

.player-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 8px;
  margin-bottom: 5px;
  background: rgba(255,255,255,0.03);
}

.player-item .player-rank {
  width: 28px;
  font-weight: 700;
  color: var(--gold);
}

.player-item .player-name {
  flex: 1;
}

.player-item .player-score {
  color: var(--accent-light);
  font-weight: 600;
}

.player-item .btn-remove {
  background: transparent;
  border: none;
  color: var(--error);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 2px 8px;
}

/* 设置区域 */
.settings-panel {
  margin-bottom: 20px;
}

.settings-panel h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.setting-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.setting-row label {
  width: 80px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.setting-row input {
  width: 80px;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.3);
  color: #fff;
  text-align: center;
  font-size: 1rem;
}

/* ==================== 手机端样式 ==================== */
.player-container {
  width: 100vw;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
  padding: 20px;
  overflow-y: auto;
}

.player-topbar {
  width: 100%;
  max-width: 400px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.player-name-badge {
  font-size: 1.1rem;
  color: var(--accent-light);
  font-weight: 600;
}

.player-score-badge {
  background: rgba(255,214,0,0.2);
  color: var(--gold);
  padding: 4px 14px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 1rem;
}

/* 加入页面 */
.join-card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 40px 30px;
  width: 100%;
  max-width: 400px;
  text-align: center;
  border: 1px solid var(--border);
  margin-top: 40px;
}

.join-card h2 {
  color: var(--gold);
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.join-card .subtitle {
  color: var(--text-secondary);
  margin-bottom: 30px;
  font-size: 0.95rem;
}

.join-card input {
  width: 100%;
  padding: 14px 20px;
  border-radius: 12px;
  border: 2px solid var(--border);
  background: rgba(0,0,0,0.3);
  color: #fff;
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 15px;
  outline: none;
  transition: border-color 0.3s;
  font-family: inherit;
}

.join-card input:focus {
  border-color: var(--accent);
}

.join-card .btn-join {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--primary-light));
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  font-family: inherit;
}

.join-card .btn-join:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255,111,0,0.3);
}

/* 等候状态 */
.waiting-card {
  text-align: center;
  width: 100%;
  max-width: 400px;
  margin-top: 60px;
}

.waiting-card .wait-icon {
  font-size: 5rem;
  animation: pulse 2s infinite;
  margin-bottom: 20px;
}

.waiting-card .wait-text {
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.waiting-card .status-text {
  font-size: 1rem;
  color: var(--accent-light);
  background: rgba(255,111,0,0.1);
  padding: 10px 20px;
  border-radius: 20px;
  display: inline-block;
}

/* 抢答按钮 */
.buzz-area {
  width: 100%;
  max-width: 400px;
  text-align: center;
  margin-top: 30px;
}

.buzz-hint {
  font-size: 1.2rem;
  color: var(--accent-light);
  margin-bottom: 20px;
  animation: blink 1s infinite;
}

.btn-buzz {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: none;
  background: radial-gradient(circle at 30% 30%, #ff5252, #c62828);
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 40px rgba(255,82,82,0.5);
  transition: all 0.15s;
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.btn-buzz:active {
  transform: scale(0.92);
  box-shadow: 0 3px 15px rgba(255,82,82,0.3);
}

.btn-buzz:disabled {
  background: radial-gradient(circle, #666, #333);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.btn-buzz.disabled-other {
  background: radial-gradient(circle, #555, #222);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.buzz-position {
  margin-top: 15px;
  font-size: 1rem;
  color: var(--text-secondary);
}

.buzz-position span {
  color: var(--accent-light);
  font-weight: 700;
}

/* 答题选项 */
.answer-area {
  width: 100%;
  max-width: 400px;
  margin-top: 10px;
}

.answer-area .answer-title {
  text-align: center;
  font-size: 1.1rem;
  color: var(--gold);
  margin-bottom: 15px;
}

.answer-option-btn {
  width: 100%;
  padding: 16px 20px;
  margin-bottom: 10px;
  border: 2px solid var(--border);
  border-radius: 14px;
  background: rgba(255,255,255,0.05);
  color: #fff;
  font-size: 1.05rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 14px;
  line-height: 1.4;
}

.answer-option-btn .opt-label {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.15rem;
  flex-shrink: 0;
  color: #fff;
}

.answer-option-btn:nth-child(1) .opt-label { background: #e53935; }
.answer-option-btn:nth-child(2) .opt-label { background: #1e88e5; }
.answer-option-btn:nth-child(3) .opt-label { background: #f9a825; color: #333; }
.answer-option-btn:nth-child(4) .opt-label { background: #43a047; }

.answer-option-btn:active {
  background: rgba(255,255,255,0.15);
  transform: scale(0.98);
}

.answer-option-btn:disabled {
  opacity: 0.7;
}

/* 结果展示 */
.result-card {
  width: 100%;
  max-width: 400px;
  text-align: center;
  background: var(--bg-card);
  border-radius: 16px;
  padding: 30px;
  margin-top: 20px;
  border: 1px solid var(--border);
}

.result-card .result-icon {
  font-size: 4rem;
  margin-bottom: 10px;
}

.result-card .result-msg {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.result-card .result-msg.correct { color: var(--success); }
.result-card .result-msg.wrong { color: var(--error); }

/* 比赛结束 */
.end-card {
  width: 100%;
  max-width: 400px;
  text-align: center;
  margin-top: 30px;
}

.end-card h2 {
  color: var(--gold);
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.end-my-rank {
  font-size: 1.3rem;
  color: var(--accent-light);
  font-weight: 700;
}

/* 错误提示 */
.error-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--error);
  color: #fff;
  padding: 12px 30px;
  border-radius: 30px;
  font-size: 0.95rem;
  z-index: 1000;
  animation: slideDown 0.3s ease;
  pointer-events: none;
}

@keyframes slideDown {
  from { transform: translateX(-50%) translateY(-60px); opacity: 0; }
  to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

/* ==================== 统一组件样式（hub 风格） ==================== */

/* 卡片容器 — 供全站复用 */
.card-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.card-box:hover {
  border-color: var(--primary-light);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* 输入框 & 文本域 */
input[type="text"],
input[type="number"],
input[type="url"],
input[type="email"],
input[type="password"],
textarea,
select {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(0,0,0,0.25);
  color: var(--text);
  font-size: 0.92rem;
  font-family: inherit;
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,111,0,0.12);
}

/* 表格 */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 2px solid var(--border);
  background: rgba(0,0,0,0.15);
}
table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
}
table tbody tr {
  transition: background 0.15s;
}
table tbody tr:hover {
  background: rgba(255,255,255,0.03);
}

/* 按钮增强 — 所有 .btn 加过渡 */
.btn {
  border-radius: 10px;
  transition: all 0.2s cubic-bezier(0.25,0.46,0.45,0.94);
}
.btn:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.btn:active {
  transform: translateY(0);
  filter: brightness(0.95);
}

/* 响应式 */
@media (max-width: 768px) {
  .screen-question-text { font-size: 1.5rem; }
  .screen-options { grid-template-columns: 1fr; }
  .screen-option { font-size: 1rem; padding: 12px 20px; }
  .admin-body { flex-direction: column; }
  .admin-right { width: 100%; }

  /* 统一顶部导航适配（覆盖所有 admin 页面，含两种 HTML 结构） */
  .admin-topbar {
    flex-direction: column;
    align-items: stretch;
    padding: 10px 14px;
    gap: 8px;
  }
  .admin-topbar h1 {
    font-size: 1.05rem;
    margin: 0;
  }
  /* 左侧标题行（h1+用户名，针对包裹 div 的页面） */
  .admin-topbar > div:first-child {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    flex-wrap: wrap;
  }
  .admin-status {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
  }
  .admin-status .btn {
    padding: 5px 12px;
    font-size: 0.75rem;
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* 导航 Tab 横向滚动（全局） */
  .admin-tab-row {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap !important;
    scrollbar-width: none;
    padding: 0 8px;
  }
  .admin-tab-row::-webkit-scrollbar { display: none; }
  .admin-tab {
    flex-shrink: 0;
    padding: 7px 14px;
    font-size: 0.82rem;
    white-space: nowrap;
  }
}

/* 超窄屏进一步收紧 */
@media (max-width: 420px) {
  .admin-topbar h1 { font-size: 0.95rem; }
  .admin-status .btn { padding: 4px 8px; font-size: 0.72rem; }
  .admin-tab { padding: 6px 10px; font-size: 0.75rem; }
}