/* MindX 管理后台 —— 深色仪表盘。零依赖,纯手写。 */

:root {
  --bg: #0b0c0e;
  --surface: #131418;
  --surface-2: #1a1b20;
  --border: #26282e;
  --border-strong: #34363d;
  --text: #e9eaec;
  --text-2: #9a9da6;
  --text-3: #6b6e78;
  --accent: #ff6b6b;
  --accent-weak: rgba(255, 107, 107, 0.14);
  --green: #34c77b;
  --green-weak: rgba(52, 199, 123, 0.14);
  --amber: #f5a623;
  --amber-weak: rgba(245, 166, 35, 0.14);
  --blue: #5a9cf8;
  --blue-weak: rgba(90, 156, 248, 0.14);
  --radius: 12px;
  --radius-sm: 8px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Segoe UI", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
}

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

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

button { font-family: inherit; }

/* ---------- 登录 ---------- */

.login {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 340px;
  padding: 36px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: center;
}

.login-logo, .brand-logo {
  width: 44px;
  height: 44px;
  margin: 0 auto;
  border-radius: 12px;
  background: linear-gradient(135deg, #ff8a7a, #ff5d6c);
  color: #fff;
  font-weight: 700;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card h1 { font-size: 18px; font-weight: 600; }

.login-hint { color: var(--text-2); font-size: 12.5px; }

.login-card input {
  height: 38px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 13px;
  outline: none;
}

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

.login-error { color: var(--accent); font-size: 12.5px; }

.clerk-sign-in { width: 100%; text-align: left; }

/* ---------- 布局 ---------- */

.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 232px;
  flex: none;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px;
  font-weight: 600;
  font-size: 15px;
}

.brand-logo { width: 30px; height: 30px; margin: 0; border-radius: 8px; font-size: 14px; }

.nav { display: flex; flex-direction: column; gap: 2px; padding: 8px 10px; }

.nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  text-decoration: none;
  font-size: 13.5px;
  border: 1px solid transparent;
}

.nav a:hover { background: var(--surface-2); color: var(--text); }

.nav a.active {
  background: var(--accent-weak);
  border-color: rgba(255, 107, 107, 0.35);
  color: var(--accent);
  font-weight: 500;
}

.nav-icon { width: 18px; text-align: center; font-size: 13px; }

.nav-badge {
  margin-left: auto;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-footer { margin-top: auto; padding: 14px; border-top: 1px solid var(--border); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 12, 14, 0.86);
  backdrop-filter: blur(10px);
  z-index: 5;
}

.topbar h1 { font-size: 17px; font-weight: 600; }

.content { padding: 24px 28px 48px; display: flex; flex-direction: column; gap: 20px; }

/* ---------- 通用组件 ---------- */

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 13.5px;
}

.panel-body { padding: 18px; }

.btn {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}

.btn:hover { border-color: var(--border-strong); background: #22242a; }

.btn:disabled { opacity: 0.5; cursor: default; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 500;
}

.btn-primary:hover { background: #ff5d5d; border-color: #ff5d5d; }

.btn-danger { color: var(--accent); border-color: rgba(255, 107, 107, 0.35); }
.btn-danger:hover { background: var(--accent-weak); border-color: var(--accent); }

.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }

.btn-ghost:hover { background: var(--surface-2); color: var(--text); border-color: transparent; }

.btn-sm { padding: 4px 10px; font-size: 12px; border-radius: 7px; }

.btn-block { width: 100%; }

.user-actions { display: flex; gap: 6px; justify-content: flex-end; }

.input, select.input {
  height: 34px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 13px;
  outline: none;
}

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

textarea.input { height: auto; padding: 8px 10px; resize: vertical; font-family: inherit; }

/* ---------- 统计卡片 ---------- */

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-label {
  color: var(--text-2);
  font-size: 12.5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-value { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }

.stat-sub { color: var(--text-3); font-size: 12px; }

.stat-sub b { color: var(--green); font-weight: 600; }

/* ---------- 表格 ---------- */

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }

th, td { text-align: left; padding: 11px 18px; white-space: nowrap; }

th {
  color: var(--text-3);
  font-size: 12px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

td { border-bottom: 1px solid var(--border); color: var(--text); }

tr:last-child td { border-bottom: none; }

tbody tr:hover td { background: rgba(255, 255, 255, 0.02); }

.cell-sub { color: var(--text-3); font-size: 12px; }

.mono { font-family: var(--mono); font-size: 12px; color: var(--text-2); }

/* ---------- 徽标 ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  border: 1px solid transparent;
}

.badge-accent { background: var(--accent-weak); color: var(--accent); border-color: rgba(255, 107, 107, 0.3); }
.badge-green { background: var(--green-weak); color: var(--green); border-color: rgba(52, 199, 123, 0.3); }
.badge-amber { background: var(--amber-weak); color: var(--amber); border-color: rgba(245, 166, 35, 0.3); }
.badge-blue { background: var(--blue-weak); color: var(--blue); border-color: rgba(90, 156, 248, 0.3); }
.badge-gray { background: rgba(255, 255, 255, 0.06); color: var(--text-2); border-color: var(--border-strong); }

/* ---------- 工具条 / 分页 ---------- */

.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.toolbar .spacer { flex: 1; }

.chip {
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  font-size: 12.5px;
  cursor: pointer;
}

.chip:hover { color: var(--text); border-color: var(--border-strong); }

.chip.active { background: var(--accent-weak); border-color: rgba(255, 107, 107, 0.4); color: var(--accent); }

.pager { display: flex; align-items: center; gap: 10px; justify-content: flex-end; padding: 12px 18px; color: var(--text-3); font-size: 12.5px; }

/* ---------- 反馈卡片 ---------- */

.feedback-list { display: flex; flex-direction: column; gap: 12px; }

.feedback-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feedback-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.feedback-time { margin-left: auto; color: var(--text-3); font-size: 12px; }

.feedback-message { white-space: pre-wrap; word-break: break-word; color: var(--text); font-size: 13.5px; }

.feedback-meta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--text-3); font-size: 12px; }

.feedback-meta span b { color: var(--text-2); font-weight: 500; }

.feedback-resources { display: flex; gap: 8px; flex-wrap: wrap; }

.feedback-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.feedback-note { color: var(--amber); font-size: 12.5px; }

/* ---------- 空状态 ---------- */

.empty {
  padding: 48px 20px;
  text-align: center;
  color: var(--text-3);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.empty-icon { font-size: 26px; opacity: 0.5; }

/* ---------- 弹窗 ---------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal {
  width: 400px;
  max-width: calc(100vw - 40px);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal h2 { font-size: 15px; font-weight: 600; }

.modal-wide { width: 680px; }

.diagnostics-text {
  max-height: min(60vh, 520px);
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  color: var(--text-2);
  font: 11.5px/1.55 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.modal .field { display: flex; flex-direction: column; gap: 6px; }

.modal .field label { color: var(--text-2); font-size: 12.5px; }

.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }

/* ---------- Toast ---------- */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  z-index: 100;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.toast.error { border-color: rgba(255, 107, 107, 0.5); color: var(--accent); }

@media (max-width: 760px) {
  .sidebar { width: 64px; }
  .brand span, .nav a { font-size: 0; }
  .nav a { justify-content: center; }
  .nav-icon { font-size: 14px; }
  .nav-badge { display: none; }
  .sidebar-footer { font-size: 0; }
  .content { padding: 16px; }
}