/* 企业客户服务助手 · 通用样式（粉色主题，支持 亮色/暗色/跟随系统） */
:root {
  --primary: #E8456B;
  --primary-dark: #d13a5d;
  --primary-light: #ffe3ea;
  --bg: #FFF5F7;
  --card: #ffffff;
  --text: #333333;
  --text-muted: #999999;
  --border: #f0d3da;
  --success: #2e9e5b;
  --warn: #e6a23c;
  /* 主题扩展变量（暗色主题在下方整体覆盖） */
  --input-bg: #ffffff;
  --hover-bg: #faf0f2;
  --ai-bg: #fff7e8;
  --ai-border: #f0d9b0;
  --ai-text: #7a5b1e;
}

/* 暗色主题：只改变量，各处引用 var(--xxx) 的样式自动跟随 */
[data-theme="dark"] {
  --bg: #17151a;
  --card: #221e25;
  --text: #e8e4ea;
  --text-muted: #9a93a3;
  --border: #3a3342;
  --primary-light: #4a2c38;
  --input-bg: #2a2530;
  --hover-bg: #2a2530;
  --ai-bg: #3a2f1e;
  --ai-border: #5a4525;
  --ai-text: #e8c98a;
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  transition: background .2s, color .2s;
}

button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: 14px; }

/* 按钮 */
.btn {
  border: none;
  border-radius: 8px;
  padding: 10px 22px;
  font-size: 14px;
  transition: all .15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled { background: #f3a8bb; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-light); }
.btn-text { background: transparent; color: var(--text-muted); border: none; }
.btn-text:hover { color: var(--primary); }

/* 输入框 */
.input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  outline: none;
  transition: border-color .15s;
  background: var(--input-bg);
  color: var(--text);
}
.input:focus { border-color: var(--primary); }

/* 弹窗 */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.modal {
  background: var(--card);
  border-radius: 12px;
  padding: 24px;
  width: 460px;
  max-width: 92vw;
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
}
.modal h3 { margin-bottom: 16px; color: var(--primary); }
.modal .field { margin-bottom: 14px; }
.modal .field label { display: block; margin-bottom: 6px; color: var(--text); }
.modal .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.hidden { display: none !important; }

/* 轻提示 */
.toast {
  position: fixed; top: 20px; left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,.8);
  color: #fff;
  padding: 10px 22px;
  border-radius: 8px;
  z-index: 200;
  animation: fadeIn .2s;
}
.toast.error { background: #c0392b; }
@keyframes fadeIn { from { opacity: 0; transform: translate(-50%, -8px); } to { opacity: 1; } }

/* ========== 主题切换组件 ========== */
.theme-switch {
  display: inline-flex; align-items: center;
  background: rgba(255,255,255,.18);
  border-radius: 8px; padding: 2px; gap: 2px;
}
.theme-switch button {
  border: none; background: transparent; color: #fff; opacity: .7;
  font-size: 12px; line-height: 1; height: 22px; padding: 0 8px;
  border-radius: 6px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all .15s;
}
.theme-switch button:hover { opacity: 1; }
.theme-switch button.active { background: #fff; color: var(--primary); opacity: 1; }
/* 登录页无顶栏，切换按钮固定在右上角 */
.login-page .theme-switch { position: fixed; top: 16px; right: 16px; z-index: 50; background: rgba(232,69,107,.14); }

/* ========== 暗色主题局部覆盖（各页面硬编码浅色背景统一处理） ========== */
[data-theme="dark"] .metric-card,
[data-theme="dark"] .section { background: var(--card); }
[data-theme="dark"] .quick-btn,
[data-theme="dark"] .icon-btn,
[data-theme="dark"] .btn-mini,
[data-theme="dark"] .suggestion-area .sug-content textarea { background: var(--input-bg); color: var(--text); }
[data-theme="dark"] th,
[data-theme="dark"] td,
[data-theme="dark"] .session-item,
[data-theme="dark"] .ticket-item { border-bottom-color: var(--border); }
[data-theme="dark"] .msg.customer .bubble { background: var(--card); }
[data-theme="dark"] .msg.ai .bubble { background: var(--ai-bg); border-color: var(--ai-border); color: var(--ai-text); }
[data-theme="dark"] .btn-chip-transfer { background: var(--primary-light); border-color: #6a3a48; }
[data-theme="dark"] #transferSummary { background: var(--hover-bg) !important; color: var(--text-muted) !important; }
[data-theme="dark"] .login-page { background: linear-gradient(135deg, #2a1e24 0%, #17151a 55%, #33202a 100%); }
[data-theme="dark"] .login-card { background: var(--card); }

/* 徽标：暗色下用半透明底色 + 亮色文字 */
[data-theme="dark"] .pill.st-pending,
[data-theme="dark"] .pill.t-open,
[data-theme="dark"] .pill.r-agent { background: rgba(192,57,43,.18); color: #ff9d9d; }
[data-theme="dark"] .pill.st-active,
[data-theme="dark"] .pill.t-in_progress { background: rgba(44,111,187,.2); color: #8fc1ff; }
[data-theme="dark"] .pill.st-replied,
[data-theme="dark"] .pill.p-urgent,
[data-theme="dark"] .pill.t-assigned,
[data-theme="dark"] .pill.r-supervisor { background: rgba(184,134,11,.2); color: #e8c36a; }
[data-theme="dark"] .pill.st-transferred,
[data-theme="dark"] .pill.r-operations { background: rgba(142,68,173,.22); color: #c79ae8; }
[data-theme="dark"] .pill.st-resolved,
[data-theme="dark"] .pill.t-resolved { background: rgba(46,158,91,.2); color: #7fd8a8; }
[data-theme="dark"] .pill.st-closed,
[data-theme="dark"] .pill.t-closed,
[data-theme="dark"] .pill.p-normal { background: rgba(153,153,153,.18); color: #b5aebd; }