/* ========== CSS 变量 & 主题 ========== */
:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-board: #1a3a2a;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #58a6ff;
  --accent-green: #3fb950;
  --accent-red: #f85149;
  --accent-yellow: #d29922;
  --accent-purple: #bc8cff;
  --border: #30363d;
  --border-light: #484f58;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.4);
  --radius: 8px;
  --radius-sm: 4px;
  --transition: 0.2s ease;
}

[data-theme="light"] {
  --bg-primary: #f6f8fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e1e4e8;
  --bg-board: #c8e6c9;
  --text-primary: #1f2328;
  --text-secondary: #57606a;
  --text-muted: #8c959f;
  --accent: #0969da;
  --accent-green: #1a7f37;
  --accent-red: #cf222e;
  --accent-yellow: #9a6700;
  --accent-purple: #8250df;
  --border: #d0d7de;
  --border-light: #afb8c1;
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
}

/* ========== Reset & Base ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}
button { font-family: inherit; cursor: pointer; border: none; outline: none; }
input, select { font-family: inherit; outline: none; }

/* ========== Views ========== */
.view { display: none; min-height: 100vh; }
.view.active { display: flex; }

/* ========== Login ========== */
#view-login {
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d1117 0%, #161b22 50%, #1a3a5c 100%);
}
[data-theme="light"] #view-login {
  background: linear-gradient(135deg, #f0f4ff 0%, #e1e8f5 50%, #d0e0f0 100%);
}
.login-card {
  background: var(--bg-secondary);
  padding: 48px 40px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  width: 400px;
  max-width: 90vw;
  border: 1px solid var(--border);
}
.login-logo { font-size: 64px; margin-bottom: 16px; }
.login-card h1 { font-size: 28px; margin-bottom: 8px; }
.subtitle { color: var(--text-secondary); margin-bottom: 32px; }
.login-form { display: flex; flex-direction: column; gap: 16px; }
.input-group { text-align: left; }
.input-group label {
  display: block; font-size: 14px; color: var(--text-secondary);
  margin-bottom: 6px; font-weight: 500;
}
.input-group input, .input-group select {
  width: 100%; padding: 10px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-tertiary);
  color: var(--text-primary); font-size: 15px;
  transition: border var(--transition);
}
.input-group input:focus, .input-group select:focus {
  border-color: var(--accent);
}
.avatar-preview {
  margin-top: 20px; display: flex; align-items: center; gap: 12px;
  justify-content: center;
}
.avatar-preview img { width: 48px; height: 48px; border-radius: 50%; }

/* ========== Buttons ========== */
.btn {
  padding: 8px 16px; border-radius: var(--radius-sm); font-size: 14px;
  font-weight: 500; transition: all var(--transition); display: inline-flex;
  align-items: center; justify-content: center; gap: 6px; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.15); }
.btn-secondary { background: var(--bg-tertiary); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: var(--accent-red); color: #fff; }
.btn-danger:hover { filter: brightness(1.15); }
.btn-success { background: var(--accent-green); color: #fff; }
.btn-success:hover { filter: brightness(1.15); }
.btn-large { padding: 12px 24px; font-size: 16px; width: 100%; }
.btn-small { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ========== Lobby ========== */
#view-lobby { flex-direction: column; align-items: stretch; justify-content: flex-start; overflow-y: auto; }

/* 新大厅布局 */
.lobby-back-bar {
  padding: 10px 20px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.lobby-back-bar a {
  text-decoration: none;
}
.lobby-page {
  max-width: 1200px; margin: 0 auto; width: 100%; padding: 20px;
  display: flex; flex-direction: column; gap: 20px;
}
.lobby-top-row {
  display: flex; gap: 20px; flex-wrap: wrap;
}
.lobby-mini-card {
  flex: 1; min-width: 300px; max-width: 560px;
  background: var(--bg-secondary); padding: 24px; border-radius: var(--radius);
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.lobby-mini-card h2 { margin-bottom: 16px; font-size: 18px; }

/* 大厅内标签页 */
.lobby-tabs { display: flex; gap: 4px; margin-bottom: 16px; }
.lobby-tab {
  flex: 1; padding: 8px 12px; background: var(--bg-tertiary); color: var(--text-secondary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500; cursor: pointer; transition: all var(--transition);
}
.lobby-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.lobby-tab-content { display: none; }
.lobby-tab-content.active { display: block; }
.lobby-tab-content .input-group { margin-bottom: 12px; }

/* 个人信息卡片 */
.lobby-profile-actions { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }

/* 下方区域 */
.lobby-bottom-section {
  background: var(--bg-secondary); border-radius: var(--radius); border: 1px solid var(--border);
  box-shadow: var(--shadow); overflow: hidden;
}
.lobby-section-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; border-bottom: 1px solid var(--border);
}
.lobby-section-tabs { display: flex; gap: 4px; }
.section-tab {
  padding: 6px 16px; background: var(--bg-tertiary); color: var(--text-secondary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; cursor: pointer; transition: all var(--transition);
}
.section-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.lobby-section-content { padding: 16px 20px; display: none; }
.lobby-section-content.active { display: block; }

/* 当前对局网格 */
.ongoing-games-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px; max-height: 500px; overflow-y: auto;
}

/* 历史对局网格 */
.lobby-history-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px; max-height: 500px; overflow-y: auto;
}

/* 友情链接 */
.lobby-friend-links {
  background: var(--bg-secondary); border-radius: var(--radius); border: 1px solid var(--border);
  padding: 16px 20px; box-shadow: var(--shadow);
}
.lobby-friend-links h3 { font-size: 15px; margin-bottom: 12px; color: var(--text-secondary); }
.friend-links-list { display: flex; flex-wrap: wrap; gap: 10px; }
.friend-link {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px;
  background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--accent); text-decoration: none; font-size: 13px; font-weight: 500;
  transition: all var(--transition);
}
.friend-link:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.friend-link .link-desc { font-size: 11px; color: var(--text-muted); font-weight: 400; }
.friend-link:hover .link-desc { color: rgba(255,255,255,0.8); }

.lobby-card {
  background: var(--bg-secondary); padding: 32px; border-radius: var(--radius);
  box-shadow: var(--shadow); width: 360px; border: 1px solid var(--border);
}
.lobby-card h2 { margin-bottom: 20px; font-size: 20px; }
.lobby-card .input-group { margin-bottom: 16px; }

.room-waiting {
  background: var(--bg-secondary); padding: 32px; border-radius: var(--radius);
  box-shadow: var(--shadow); width: 600px; max-width: 90vw; border: 1px solid var(--border);
  margin: 24px auto;
}
.room-info-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.room-code-display { display: flex; align-items: center; gap: 10px; }
.room-code-display .label { color: var(--text-secondary); font-size: 14px; }
.room-code-display .code {
  font-size: 28px; font-weight: 800; letter-spacing: 4px; color: var(--accent);
  font-family: 'Courier New', monospace;
}
.waiting-players h3 { color: var(--text-secondary); margin-bottom: 16px; }
.lobby-players-list { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.lobby-player-card {
  display: flex; align-items: center; gap: 10px; padding: 10px 16px;
  background: var(--bg-tertiary); border-radius: var(--radius-sm); border: 1px solid var(--border);
}
.lobby-player-card img { width: 32px; height: 32px; border-radius: 50%; }
.lobby-player-card .host-badge { color: var(--accent-yellow); font-size: 12px; }
.game-rules-info { color: var(--text-secondary); font-size: 14px; margin-bottom: 24px; line-height: 1.8; }

/* ========== Game Header ========== */
.game-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 12px; background: var(--bg-secondary); border-bottom: 1px solid var(--border);
  height: 44px; flex-shrink: 0;
}
.header-left, .header-right { display: flex; align-items: center; gap: 10px; }
.game-logo { font-size: 20px; }
.room-label { font-size: 13px; color: var(--text-secondary); }
.room-label strong { color: var(--accent); }

/* ========== Game Body ========== */
.game-body { position: relative; display: flex; padding: 4px; height: calc(100vh - 44px); overflow: hidden; }

/* ========== Board ========== */
.board-wrapper {
  position: relative; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  min-width: 0; min-height: 0; padding: 0;
}
.board {
  display: grid;
  grid-template-columns: 1.5fr repeat(9, 1fr) 1.5fr;
  grid-template-rows: 1.5fr repeat(9, 1fr) 1.5fr;
  width: min(100%, calc(100vh - 52px)); aspect-ratio: 1;
  background: var(--bg-board); border: 3px solid var(--border); border-radius: 4px;
  box-shadow: var(--shadow-lg); gap: 1px;
}
.board-center {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; pointer-events: none; width: 46%; max-width: 480px;
}

/* Board Cells */
.cell {
  background: var(--bg-secondary); position: relative; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  padding: 2px; overflow: hidden; transition: background var(--transition);
  border: 1px solid var(--border);
}
.cell:hover { background: var(--bg-tertiary); }
.cell-corner {
  font-size: 10px; font-weight: 700; text-align: center; justify-content: center;
  padding: 4px;
}
.cell-corner .corner-icon { font-size: 20px; }
.cell-corner .corner-name { font-size: 9px; margin-top: 2px; }

.color-bar { width: 100%; height: 7px; flex-shrink: 0; }
.cell-name {
  font-size: 9px; text-align: center; margin-top: 2px; line-height: 1.1;
  word-break: break-all; padding: 0 1px;
}
.cell-price { font-size: 8px; color: var(--text-secondary); margin-top: 1px; }
.cell-owner-border { position: absolute; inset: 0; border: 2px solid transparent; border-radius: 2px; pointer-events: none; }
.cell-mortgaged { opacity: 0.5; }
.cell-mortgaged::after {
  content: "抵押"; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-size: 8px; color: var(--accent-red); font-weight: 700;
}
.houses { display: flex; gap: 1px; margin-top: 1px; }
.house-icon { font-size: 8px; line-height: 1; }
.hotel-icon { font-size: 8px; line-height: 1; }

/* Player Tokens */
.tokens { display: flex; flex-wrap: wrap; gap: 1px; justify-content: center; margin-top: auto; padding: 1px; }
.token {
  width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,0.4);
}
.token.current { animation: tokenPulse 1.5s infinite; }
@keyframes tokenPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.3); }
}

/* Dice */
.dice-area { display: flex; gap: 8px; }
.dice {
  width: 56px; height: 56px; background: var(--bg-secondary); border: 2px solid var(--border);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-size: 36px; box-shadow: var(--shadow);
}
.dice.rolling { animation: diceRoll 0.5s ease; }
@keyframes diceRoll {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.2); }
  100% { transform: rotate(360deg) scale(1); }
}
.turn-info {
  text-align: center; font-size: 15px; font-weight: 600; color: var(--text-primary);
  background: var(--bg-secondary); padding: 8px 16px; border-radius: var(--radius);
  box-shadow: var(--shadow); max-width: 260px; pointer-events: auto;
}
.board-actions {
  display: flex; flex-direction: column; gap: 6px; align-items: center; pointer-events: auto;
  min-height: 40px;
}
.board-actions .btn { min-width: 150px; }
.board-actions .btn-large { width: 170px; padding: 12px 20px; font-size: 16px; }

/* ========== Sidebar (浮动面板) ========== */
.sidebar {
  position: absolute; right: 4px; top: 4px; bottom: 4px;
  width: 300px; z-index: 20; display: flex; flex-direction: column; gap: 6px;
  overflow: hidden; background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px; box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.sidebar.hidden { transform: translateX(calc(100% + 12px)); opacity: 0; pointer-events: none; }

/* Sidebar Header */
.sidebar-header {
  display: flex; justify-content: space-between; align-items: center;
  flex-shrink: 0; margin-bottom: 2px;
}
.sidebar-title { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.sidebar-min-btn {
  width: 26px; height: 26px; border-radius: var(--radius-sm);
  background: var(--bg-tertiary); border: 1px solid var(--border);
  font-size: 14px; line-height: 1; color: var(--text-primary); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.sidebar-min-btn:hover { background: var(--accent); color: #fff; }

/* Sidebar Restore Button */
.sidebar-restore-btn {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: 32px; height: 72px; z-index: 19;
  background: var(--bg-secondary); border: 1px solid var(--border); border-right: none;
  border-radius: 8px 0 0 8px; font-size: 16px; color: var(--text-primary);
  box-shadow: var(--shadow-lg); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  writing-mode: vertical-rl; gap: 4px;
}
.sidebar-restore-btn:hover { background: var(--accent); color: #fff; }

/* Players Panel */
.players-panel {
  display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; flex-shrink: 0;
}
.player-card {
  flex: 1; min-width: 0; background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 8px; text-align: center; position: relative;
  transition: all var(--transition);
}
.player-card.current { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.player-card.bankrupt { opacity: 0.4; }
.player-card .p-avatar { width: 28px; height: 28px; border-radius: 50%; margin: 0 auto 4px; display: block; }
.player-card .p-color-bar { height: 3px; border-radius: 2px; margin-bottom: 4px; }
.player-card .p-name { font-size: 11px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.player-card .p-money { font-size: 13px; font-weight: 700; color: var(--accent-green); font-family: 'Courier New', monospace; }
.player-card .p-status { font-size: 9px; color: var(--text-secondary); margin-top: 2px; }
.player-card .p-jail { color: var(--accent-red); }
.player-card .p-cards { font-size: 9px; color: var(--accent-yellow); }
.player-card .p-trade-btn {
  font-size: 10px; padding: 2px 6px; margin-top: 4px; background: var(--bg-tertiary);
  color: var(--accent); border: 1px solid var(--border); border-radius: 10px;
}
.player-card .p-trade-btn:hover { background: var(--accent); color: #fff; }

/* Action Panel */
.action-panel {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px; flex-shrink: 0;
}
.action-panel .action-title { font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--text-secondary); }
.action-buttons { display: flex; flex-wrap: wrap; gap: 6px; }
.action-buttons .btn { flex: 1; min-width: 80px; }
.debt-warning {
  background: rgba(248,81,73,0.15); border: 1px solid var(--accent-red);
  border-radius: var(--radius-sm); padding: 8px; margin-bottom: 8px;
  font-size: 13px; color: var(--accent-red);
}

/* Tabs */
.tab-container { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-height: 0; }
.tab-headers { display: flex; gap: 2px; flex-shrink: 0; }
.tab-btn {
  flex: 1; padding: 8px; background: var(--bg-tertiary); color: var(--text-secondary);
  font-size: 13px; font-weight: 500; border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: all var(--transition);
}
.tab-btn.active { background: var(--bg-secondary); color: var(--accent); }
.tab-content { flex: 1; background: var(--bg-secondary); border: 1px solid var(--border); border-top: none; border-radius: 0 0 var(--radius-sm) var(--radius-sm); display: flex; flex-direction: column; overflow: hidden; min-height: 0; }
.tab-pane { display: none; flex: 1; flex-direction: column; overflow: hidden; }
.tab-pane.active { display: flex; }

/* Game Log */
.game-log { flex: 1; overflow-y: auto; padding: 8px; }
.log-entry {
  font-size: 12px; padding: 4px 8px; margin-bottom: 2px; border-radius: var(--radius-sm);
  color: var(--text-secondary); line-height: 1.4; word-break: break-word;
}
.log-entry.highlight { background: var(--bg-tertiary); color: var(--text-primary); }
.log-entry .log-time { color: var(--text-muted); font-size: 10px; margin-right: 4px; }

/* Chat */
.chat-messages { flex: 1; overflow-y: auto; padding: 8px; }
.chat-msg {
  display: flex; gap: 8px; margin-bottom: 8px; align-items: flex-start;
}
.chat-msg img { width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0; }
.chat-msg .chat-bubble {
  background: var(--bg-tertiary); padding: 6px 12px; border-radius: var(--radius);
  font-size: 13px; max-width: 260px; word-break: break-word;
}
.chat-msg .chat-name { font-size: 11px; color: var(--text-secondary); margin-bottom: 2px; }
.chat-msg.me { flex-direction: row-reverse; }
.chat-msg.me .chat-bubble { background: var(--accent); color: #fff; }
.chat-input-row { padding: 8px; border-top: 1px solid var(--border); flex-shrink: 0; }
.chat-quick { display: flex; gap: 4px; margin-bottom: 6px; }
.quick-btn {
  padding: 3px 8px; font-size: 11px; background: var(--bg-tertiary); color: var(--text-secondary);
  border-radius: 12px; border: 1px solid var(--border);
}
.quick-btn:hover { background: var(--border); }
.chat-input-group { display: flex; gap: 4px; }
.chat-input-group input {
  flex: 1; padding: 8px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-tertiary); color: var(--text-primary);
  font-size: 13px;
}
.chat-input-group input:focus { border-color: var(--accent); }

/* ========== Modals ========== */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 1000;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  animation: modalFadeIn 0.2s ease;
}
@keyframes modalFadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-content {
  background: var(--bg-secondary); border-radius: 12px; padding: 32px;
  box-shadow: var(--shadow-lg); max-width: 90vw; max-height: 85vh; overflow-y: auto;
  animation: modalScale 0.2s ease; border: 1px solid var(--border);
}
@keyframes modalScale { from { transform: scale(0.9); } to { transform: scale(1); } }
.modal-content h2 { margin-bottom: 20px; text-align: center; }

/* Auction Modal */
.auction-content { width: 420px; }
.auction-property { text-align: center; margin-bottom: 16px; }
.auction-property .ap-name { font-size: 20px; font-weight: 700; }
.auction-property .ap-price { color: var(--text-secondary); margin-top: 4px; }
.auction-timer { height: 6px; background: var(--bg-tertiary); border-radius: 3px; margin-bottom: 16px; overflow: hidden; }
.timer-bar { height: 100%; background: var(--accent-green); border-radius: 3px; transition: width 0.3s linear, background 0.3s; }
.timer-bar.warning { background: var(--accent-yellow); }
.timer-bar.danger { background: var(--accent-red); }
.auction-highest { text-align: center; font-size: 16px; margin-bottom: 12px; }
.auction-highest .amount { color: var(--accent-green); font-weight: 700; font-size: 20px; }
.auction-bidders { margin-bottom: 16px; font-size: 12px; color: var(--text-secondary); }
.auction-bid-input { display: flex; gap: 8px; margin-bottom: 8px; }
.auction-bid-input input {
  flex: 1; padding: 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-tertiary); color: var(--text-primary);
  font-size: 15px;
}
.auction-quick-bids { display: flex; gap: 4px; justify-content: center; flex-wrap: wrap; }

/* Auction Slider & Fine Tune */
.auction-bid-display {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--bg-tertiary); border-radius: var(--radius-sm); padding: 10px 16px; margin-bottom: 12px;
}
.auction-bid-display .bid-label { font-size: 13px; color: var(--text-secondary); }
.auction-bid-display .bid-amount {
  font-size: 24px; font-weight: 800; color: var(--accent-green); font-family: 'Courier New', monospace;
}
.auction-slider-wrap { margin-bottom: 12px; }
.bid-slider {
  width: 100%; -webkit-appearance: none; appearance: none; height: 8px; border-radius: 4px;
  background: var(--bg-tertiary); outline: none; cursor: pointer;
}
.bid-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); cursor: pointer; border: 2px solid #fff; box-shadow: var(--shadow);
}
.bid-slider::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%; background: var(--accent);
  cursor: pointer; border: 2px solid #fff; box-shadow: var(--shadow);
}
.auction-fine-tune { display: flex; gap: 4px; justify-content: center; margin-bottom: 12px; flex-wrap: wrap; }
.tune-btn { min-width: 48px; }

/* Trade Modal */
.trade-content { width: 640px; }
.trade-layout { display: flex; align-items: stretch; gap: 12px; margin-bottom: 16px; }
.trade-side { flex: 1; background: var(--bg-tertiary); border-radius: var(--radius); padding: 16px; }
.trade-side h3 { font-size: 16px; margin-bottom: 12px; text-align: center; }
.trade-section { margin-bottom: 12px; }
.trade-section label { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.trade-section input {
  width: 100%; padding: 8px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-secondary); color: var(--text-primary);
  font-size: 15px; font-family: 'Courier New', monospace;
}
.trade-prop-list { display: flex; flex-direction: column; gap: 4px; max-height: 200px; overflow-y: auto; }
.trade-prop-item {
  display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: var(--radius-sm);
  background: var(--bg-secondary); border: 1px solid var(--border); cursor: pointer;
  font-size: 13px; transition: all var(--transition);
}
.trade-prop-item:hover { border-color: var(--accent); }
.trade-prop-item.selected { border-color: var(--accent-green); background: rgba(63,185,80,0.12); }
.trade-prop-item .tp-color { width: 4px; height: 20px; border-radius: 2px; flex-shrink: 0; }
.trade-prop-item .tp-mortgaged { color: var(--accent-red); font-size: 10px; }
.trade-arrow { display: flex; align-items: center; font-size: 28px; color: var(--accent); }
.trade-status { text-align: center; font-size: 13px; margin-bottom: 12px; min-height: 20px; color: var(--accent-yellow); }
.trade-buttons { display: flex; gap: 8px; justify-content: center; }

/* Tab Collapse */
.tab-headers { position: relative; }
.tab-collapse-btn {
  position: absolute; right: 2px; top: 50%; transform: translateY(-50%);
  background: var(--bg-tertiary); color: var(--text-primary); font-size: 16px;
  padding: 6px 10px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  transition: all var(--transition); font-weight: 700;
}
.tab-collapse-btn:hover { background: var(--accent); color: #fff; }
.tab-container.collapsed .tab-content { display: none; }
.tab-container.collapsed .tab-btn { opacity: 0.5; }
.tab-container.collapsed .tab-collapse-btn { transform: translateY(-50%) rotate(180deg); }

/* Card Modal */
.card-content { width: 360px; text-align: center; }
.card-icon { font-size: 48px; margin-bottom: 16px; }
.card-title { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.card-text { font-size: 16px; color: var(--text-secondary); margin-bottom: 24px; line-height: 1.6; }

/* Property Modal */
.property-content { width: 380px; }
.prop-detail-card { border-radius: var(--radius); overflow: hidden; margin-bottom: 16px; }
.prop-detail-bar { height: 12px; }
.prop-detail-body { padding: 16px; background: var(--bg-tertiary); border-radius: 0 0 var(--radius) var(--radius); }
.prop-detail-body h3 { font-size: 18px; margin-bottom: 12px; }
.prop-detail-body table { width: 100%; font-size: 13px; border-collapse: collapse; }
.prop-detail-body td { padding: 4px 8px; }
.prop-detail-body td:last-child { text-align: right; font-family: 'Courier New', monospace; }
.prop-detail-body .owner-info { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.prop-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.prop-actions .btn { flex: 1; min-width: 70px; }

/* History Modal */
.history-content { width: 600px; }
.history-log { max-height: 400px; overflow-y: auto; margin-bottom: 16px; }

/* Game Over Modal */
.gameover-content { width: 480px; text-align: center; }
.gameover-trophy { font-size: 64px; margin-bottom: 16px; }
.gameover-winner { font-size: 24px; font-weight: 700; color: var(--accent-yellow); margin-bottom: 24px; }
.gameover-rankings { margin-bottom: 24px; }
.ranking-item {
  display: flex; align-items: center; gap: 12px; padding: 8px 16px;
  background: var(--bg-tertiary); border-radius: var(--radius-sm); margin-bottom: 8px;
}
.ranking-item .rank { font-size: 18px; font-weight: 700; width: 30px; text-align: center; }
.ranking-item img { width: 32px; height: 32px; border-radius: 50%; }
.ranking-item .r-name { flex: 1; text-align: left; font-weight: 500; }
.ranking-item .r-money { font-family: 'Courier New', monospace; font-weight: 700; color: var(--accent-green); }
.gameover-buttons { display: flex; gap: 12px; justify-content: center; }

/* ========== Toast ========== */
#toast-container {
  position: fixed; top: 60px; left: 50%; transform: translateX(-50%);
  z-index: 2000; display: flex; flex-direction: column; gap: 8px; pointer-events: none;
}
.toast {
  background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 20px; font-size: 14px; box-shadow: var(--shadow-lg);
  animation: toastSlide 0.3s ease; border-left: 3px solid var(--accent);
}
.toast.error { border-left-color: var(--accent-red); }
.toast.success { border-left-color: var(--accent-green); }
@keyframes toastSlide {
  from { transform: translateY(-20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ========== Scrollbar ========== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ========== Login Tabs ========== */
.login-tabs {
  display: flex; gap: 0; margin-bottom: 24px; border-bottom: 2px solid var(--border);
}
.login-tab {
  flex: 1; padding: 10px 16px; background: none; color: var(--text-secondary);
  font-size: 14px; font-weight: 500; border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: all var(--transition);
}
.login-tab:hover { color: var(--text-primary); }
.login-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.login-status { color: var(--accent-red); font-size: 13px; margin-top: 12px; min-height: 18px; }

/* ========== Lobby User Info (inside mini-card) ========== */
.lobby-user-info { display: flex; align-items: center; gap: 12px; }
.lobby-avatar { width: 48px; height: 48px; border-radius: 50%; }
.lobby-username { font-size: 18px; font-weight: 600; }
.lobby-stats { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }

/* ========== Config Checkboxes ========== */
.config-checkbox-group {
  display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0;
}
.checkbox-label {
  display: flex; align-items: center; gap: 6px; cursor: pointer;
  font-size: 13px; color: var(--text-secondary);
  padding: 6px 10px; background: var(--bg-tertiary); border-radius: var(--radius-sm);
  border: 1px solid var(--border); transition: all var(--transition);
}
.checkbox-label:hover { border-color: var(--accent); }
.checkbox-label input { width: 16px; height: 16px; cursor: pointer; }

/* ========== Ongoing Games List ========== */
.ongoing-game-card {
  background: var(--bg-tertiary); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px; transition: border var(--transition);
}
.ongoing-game-card:hover { border-color: var(--accent); }
.og-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.og-code { font-weight: 700; font-size: 15px; font-family: 'Courier New', monospace; }
.og-state { font-size: 11px; padding: 2px 8px; border-radius: 10px; font-weight: 600; }
.og-state.state-waiting { background: rgba(88,166,255,0.2); color: var(--accent); }
.og-state.state-playing { background: rgba(63,185,80,0.2); color: var(--accent-green); }
.og-players { display: flex; align-items: center; gap: 4px; margin-bottom: 8px; }
.mini-avatar { width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--border); }
.og-count { font-size: 12px; color: var(--text-secondary); margin-left: 4px; }
.og-actions { display: flex; gap: 6px; }
.empty-hint { color: var(--text-muted); font-size: 13px; text-align: center; padding: 20px; }

/* 大厅历史卡片 */
.lobby-history-item {
  background: var(--bg-tertiary); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px; transition: border var(--transition);
}
.lobby-history-item:hover { border-color: var(--accent); }
.lh-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.lh-winner { font-weight: 700; color: var(--accent-yellow); font-size: 14px; }
.lh-date { font-size: 11px; color: var(--text-secondary); }
.lh-players { font-size: 12px; color: var(--text-secondary); }

/* ========== Animation Skip Area ========== */
.anim-skip-area { margin-top: 8px; text-align: center; }

/* ========== Token Moving Animation ========== */
.token { transition: transform 0.2s ease; }
.token.moving { animation: tokenBounce 0.25s ease; }
@keyframes tokenBounce {
  0% { transform: scale(1); }
  50% { transform: scale(1.3) translateY(-4px); }
  100% { transform: scale(1); }
}

/* ========== History Modal (New) ========== */
.history-list { max-height: 450px; overflow-y: auto; margin-bottom: 16px; }
.history-item {
  background: var(--bg-tertiary); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 14px; margin-bottom: 8px;
}
.history-item:hover { border-color: var(--accent); }
.hi-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 4px; }
.hi-winner { font-weight: 700; color: var(--accent-yellow); font-size: 14px; }
.hi-date { font-size: 11px; color: var(--text-secondary); }
.hi-players { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }

.history-detail { margin-bottom: 16px; }
.hd-info { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; padding: 8px; background: var(--bg-tertiary); border-radius: var(--radius-sm); }
.hd-rankings { margin-bottom: 16px; }
.hd-rank-item {
  display: flex; align-items: center; gap: 10px; padding: 6px 10px;
  background: var(--bg-tertiary); border-radius: var(--radius-sm); margin-bottom: 4px;
}
.hd-rank-item.winner { border: 1px solid var(--accent-yellow); background: rgba(210,153,34,0.1); }
.hd-medal { font-size: 18px; width: 28px; text-align: center; }
.hd-avatar { width: 28px; height: 28px; border-radius: 50%; }
.hd-name { flex: 1; font-size: 13px; }
.hd-money { font-family: 'Courier New', monospace; font-weight: 700; color: var(--accent-green); font-size: 13px; }
.hd-logs-title { font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.hd-logs { max-height: 300px; overflow-y: auto; background: var(--bg-tertiary); border-radius: var(--radius-sm); padding: 8px; }
.hd-log-entry { font-size: 12px; padding: 3px 0; border-bottom: 1px solid var(--border); }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .sidebar { width: 260px; }
  .lobby-mini-card { max-width: none; }
}
@media (max-width: 768px) {
  .game-body { flex-direction: column; height: auto; overflow: auto; }
  .board-wrapper { order: 1; width: 100%; height: auto; }
  .sidebar { position: relative; width: 100%; order: 2; max-height: none; top: auto; right: auto; bottom: auto; left: auto; }
  .sidebar.hidden { transform: none; opacity: 1; pointer-events: auto; display: none; }
  .sidebar-restore-btn { display: none !important; }
  .board { width: 100%; }
  .lobby-top-row { flex-direction: column; }
  .lobby-mini-card { min-width: 0; }
  .ongoing-games-grid { grid-template-columns: 1fr; }
  .lobby-history-grid { grid-template-columns: 1fr; }
  .cell-name { font-size: 6px; }
  .cell-price { font-size: 6px; }
  .players-panel { flex-wrap: wrap; }
  .player-card { min-width: 80px; }
}