/* ============================================================
   QQBot 托管平台 · 现代浅色卡片风设计系统
   ============================================================ */
:root {
  /* 品牌主色 */
  --primary: #4361ee;
  --primary-hover: #3451d1;
  --primary-soft: #eef1fe;
  --primary-soft-2: #e2e8fd;
  --primary-ring: rgba(67, 97, 238, 0.14);

  /* 中性色 */
  --bg: #f4f6fb;
  --card: #ffffff;
  --border: #e8ecf3;
  --border-strong: #d6dce8;
  --text: #1b2435;
  --text-2: #566178;
  --text-3: #95a1b5;

  /* 语义色 */
  --green: #16a34a;
  --green-soft: #e7f6ed;
  --red: #e11d48;
  --red-soft: #fdecef;
  --blue: #2563eb;
  --blue-soft: #e6effe;
  --gray: #64748b;
  --gray-soft: #f1f5f9;
  --amber: #d97706;
  --amber-soft: #fdf3e3;

  /* 圆角 */
  --r-sm: 8px;
  --r: 12px;
  --r-lg: 16px;
  --r-xl: 20px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow: 0 6px 20px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 24px 56px rgba(16, 24, 40, 0.16);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.hidden { display: none !important; }
.muted { color: var(--text-3); font-size: 13px; }
.err { color: var(--red); margin-top: 8px; min-height: 18px; font-size: 13px; }
code {
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  background: var(--gray-soft);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-2);
}

/* ============================================================
   登录
   ============================================================ */
.login-mask {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #4361ee 0%, #5b8def 48%, #7c5cf0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-box {
  background: var(--card);
  padding: 40px 36px;
  border-radius: var(--r-xl);
  width: 360px;
  max-width: 100%;
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: pop 0.22s ease;
}
.login-box h2 { margin-bottom: 6px; font-size: 22px; letter-spacing: 0.01em; }
.login-box .muted { margin-bottom: 6px; }
.login-box input {
  width: 100%;
  padding: 12px 14px;
  margin: 18px 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r);
  font-size: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-ring);
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
  padding: 8px 16px;
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--text-2);
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--primary-ring); }
.btn:active { transform: translateY(1px); }

.btn.primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(67, 97, 238, 0.28);
}
.btn.primary:hover {
  background: var(--primary-hover);
  color: #fff;
  border-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(67, 97, 238, 0.34);
}
.btn.primary:active { transform: translateY(0); }

.btn.small { padding: 6px 11px; font-size: 12px; border-radius: var(--r-sm); }

.btn.danger { color: var(--red); border-color: #f2c4cf; background: var(--card); }
.btn.danger:hover { background: var(--red); color: #fff; border-color: var(--red); }

/* ============================================================
   顶部布局与导航
   ============================================================ */
.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  padding: 0 24px;
  height: 62px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.logo {
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
  font-size: 16px;
  letter-spacing: 0.01em;
}
.tabs { display: flex; gap: 4px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  background: none;
  border: none;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  cursor: pointer;
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.tab:hover { background: #f1f4fb; color: var(--text); }
.tab.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }

.content { padding: 26px 24px 40px; max-width: 1240px; margin: 0 auto; }

/* ============================================================
   面板 / 卡片
   ============================================================ */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  animation: fade-up 0.2s ease;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  gap: 12px;
  flex-wrap: wrap;
}
.panel-head h3 { font-size: 16px; font-weight: 650; }
.head-actions { display: flex; gap: 10px; align-items: center; }
.head-actions select { width: auto; min-width: 150px; }

/* ============================================================
   表格
   ============================================================ */
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: top;
}
th {
  color: var(--text-3);
  font-weight: 600;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #f8fafc;
}
tbody tr { transition: background 0.12s; }
tbody tr:hover { background: #f7f9fe; }
tbody tr:last-child td { border-bottom: none; }

/* ============================================================
   标签 Tag
   ============================================================ */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
}
.tag.green { background: var(--green-soft); color: var(--green); }
.tag.gray { background: var(--gray-soft); color: var(--gray); }
.tag.red { background: var(--red-soft); color: var(--red); }
.tag.blue { background: var(--blue-soft); color: var(--blue); }
.tag.amber { background: var(--amber-soft); color: var(--amber); }

/* ============================================================
   表单
   ============================================================ */
input, select, textarea {
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  background: var(--card);
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}
input:disabled, select:disabled { background: var(--gray-soft); color: var(--text-3); cursor: not-allowed; }
textarea { min-height: 76px; resize: vertical; }

.form-grid { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
.form-grid textarea, .form-grid button, .form-grid span { grid-column: 1 / -1; }
.security-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 20px;
  margin-bottom: 18px;
}
.security-block h4 { margin: 0 0 14px; font-size: 15px; color: var(--text-1); }
.form-row { margin-bottom: 14px; }
.form-row:last-child { margin-bottom: 0; }
.form-row label { display: block; margin-bottom: 6px; color: var(--text-2); font-size: 13px; font-weight: 500; }
.hint {
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-3);
  background: var(--gray-soft);
  border-radius: 8px;
  padding: 7px 10px;
}

/* ============================================================
   弹窗
   ============================================================ */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.46);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}
.modal-box {
  background: var(--card);
  border-radius: var(--r-lg);
  width: 480px;
  max-width: 100%;
  padding: 26px;
  max-height: 88vh;
  overflow: auto;
  box-shadow: var(--shadow-lg);
  animation: pop 0.18s ease;
}
.modal-box h3 { margin-bottom: 18px; font-size: 17px; font-weight: 650; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }

/* ============================================================
   统计卡片与条形图
   ============================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.stat-card {
  background: linear-gradient(180deg, #fbfcff, #f5f8ff);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 20px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-card .num { font-size: 28px; font-weight: 700; color: var(--primary); margin-top: 6px; }
.stat-card .lbl { color: var(--text-3); font-size: 13px; }

h4 { margin: 22px 0 12px; color: var(--text-2); font-size: 14px; font-weight: 600; }
.bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.bar-row .name { width: 170px; flex-shrink: 0; color: var(--text-2); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar {
  height: 10px;
  background: linear-gradient(90deg, var(--primary), #6d83f2);
  border-radius: 6px;
  min-width: 2px;
  transition: width 0.4s ease;
}
.bar-row .val { font-size: 12px; color: var(--text-3); }
.pager { display: flex; align-items: center; gap: 14px; justify-content: center; margin-top: 20px; }

/* ============================================================
   开关
   ============================================================ */
.switch { position: relative; width: 44px; height: 24px; display: inline-block; vertical-align: middle; }
.switch input { display: none; }
.slider-sw {
  position: absolute;
  inset: 0;
  background: #cdd4e0;
  border-radius: 24px;
  cursor: pointer;
  transition: 0.22s;
}
.slider-sw::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: 0.22s;
}
.switch input:checked + .slider-sw { background: var(--green); }
.switch input:checked + .slider-sw::before { transform: translateX(20px); }

/* ============================================================
   欢迎语 / 会话 / 错误文本
   ============================================================ */
.welcome-card { border: 1px solid var(--border); border-radius: var(--r); padding: 20px; margin-bottom: 16px; background: #fcfdff; }
.welcome-card h4 { margin-top: 0; }

.conv-card {
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 16px 18px;
  margin-bottom: 12px;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.conv-card:hover { box-shadow: var(--shadow-sm); border-color: var(--border-strong); }
.conv-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; gap: 8px; }
.msg-line { padding: 4px 0; font-size: 13px; color: var(--text-2); }
.msg-line b { color: var(--primary); font-weight: 600; }

.err-text { color: var(--red); max-width: 240px; word-break: break-all; font-size: 12.5px; }

/* 代码域 */
.code {
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.6;
}

/* ============================================================
   在线调试 / 模拟结果
   ============================================================ */
.sim-summary {
  background: var(--gray-soft);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}
.sim-reply {
  margin-left: 8px;
  color: var(--text);
  font-weight: 500;
  word-break: break-all;
}

/* 命中过程时间线 */
.trace { display: flex; flex-direction: column; }
.trace-step { display: flex; gap: 14px; position: relative; padding-bottom: 16px; }
.trace-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 28px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.trace-dot {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border-strong);
  color: var(--text-3);
  font-size: 12.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}
.trace-step.hit .trace-dot {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}
.trace-body { flex: 1; min-width: 0; }
.trace-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.trace-stage {
  font-size: 12px;
  color: var(--text-3);
  background: var(--gray-soft);
  padding: 2px 8px;
  border-radius: 6px;
}
.trace-name { font-weight: 600; font-size: 13.5px; }
.trace-detail { margin-top: 5px; font-size: 12.5px; }

/* ============================================================
   配置自检
   ============================================================ */
.check-list { display: flex; flex-direction: column; gap: 12px; }
.check-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  flex-wrap: wrap;
}
.check-name { font-weight: 600; font-size: 13.5px; min-width: 96px; }
.check-detail { flex: 1; min-width: 160px; font-size: 12.5px; }

/* 弹窗内详情表 */
.detail-table { width: 100%; border-collapse: collapse; }
.detail-table th {
  text-align: left;
  width: 130px;
  padding: 9px 10px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-3);
  background: var(--gray-soft);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.detail-table td {
  padding: 9px 12px;
  font-size: 12.5px;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  word-break: break-all;
}
.detail-table tr:last-child th,
.detail-table tr:last-child td { border-bottom: none; }

.detail-block {
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--bg);
}
.detail-block:last-child { margin-bottom: 0; }
.detail-block p { margin: 8px 0 0; font-size: 13px; color: var(--text-2); line-height: 1.6; white-space: pre-wrap; }

/* ============================================================
   备份 / 恢复
   ============================================================ */
.backup-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 18px 20px;
  background: #fcfdff;
  flex-wrap: wrap;
}
.backup-info b { font-size: 14px; }
.backup-info p { margin-top: 6px; max-width: 560px; }
.backup-actions { display: flex; gap: 10px; flex-shrink: 0; }

/* ============================================================
   动画
   ============================================================ */
@keyframes pop {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 760px) {
  .form-grid { grid-template-columns: 1fr; }
  .content { padding: 16px 14px 30px; }
  .topbar { padding: 0 14px; gap: 12px; height: 56px; }
  .panel { padding: 18px; border-radius: var(--r); }
  .bar-row .name { width: 110px; }
  th, td { padding: 10px 9px; }
}

/* ============================================================
   频道/群管理
   ============================================================ */
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }
hr.sep {
  border: none;
  border-top: 1px solid var(--border);
  margin: 18px 0 16px;
}
.json-result {
  background: var(--gray-soft);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  font-size: 12.5px;
  color: var(--text-2);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 420px;
  overflow: auto;
}
.json-result.error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #b91c1c;
}