/* ============================================================
   DNS 授权系统 v2 — 设计系统（UI 定稿用静态稿）
   风格：干净、专业、高对比度的现代管理后台
   ============================================================ */

:root {
  /* 品牌色：深靛蓝主色 + 功能色 */
  --primary: #3B5BDB;
  --primary-hover: #3050C8;
  --primary-soft: #EEF2FF;
  --primary-soft-border: #DDE4FF;

  /* 中性色 */
  --bg: #F4F5F7;
  --card: #FFFFFF;
  --border: #E5E7EB;
  --border-strong: #D1D5DB;
  --text: #1A1D26;
  --text-secondary: #4B5563;
  --text-muted: #9CA3AF;

  /* 侧边栏（深色） */
  --sidebar-bg: #14171F;
  --sidebar-text: #9AA1B2;
  --sidebar-text-active: #FFFFFF;
  --sidebar-active-bg: rgba(91, 118, 245, .16);
  --sidebar-accent: #6C8CFF;

  /* 功能色 */
  --success: #0E9F6E;      --success-bg: #ECFDF5;  --success-border: #BBF0DC;
  --warning: #C27803;      --warning-bg: #FDF6B2;  --warning-bg2: #FFFBEB; --warning-border: #F3E1A8;
  --danger: #E02424;       --danger-bg: #FDF2F2;   --danger-border: #F8CACA;
  --info: #1C64F2;         --info-bg: #EBF5FF;     --info-border: #C3DDFD;

  --radius: 10px;
  --radius-sm: 7px;
  --shadow-card: 0 1px 2px rgba(16,24,40,.04), 0 1px 3px rgba(16,24,40,.06);
  --shadow-pop: 0 8px 24px rgba(16,24,40,.12), 0 2px 6px rgba(16,24,40,.06);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 14px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============ 布局：管理端外壳 ============ */
.shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 232px; flex-shrink: 0;
  background: var(--sidebar-bg);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.sidebar__brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 20px 18px;
}
.sidebar__logo {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, #5B76F5, #3B5BDB);
  display: grid; place-items: center;
  color: #fff; font-weight: 700; font-size: 15px;
  letter-spacing: -.5px;
}
.sidebar__title { color: #fff; font-weight: 600; font-size: 15px; letter-spacing: .2px; }
.sidebar__subtitle { color: var(--sidebar-text); font-size: 11px; margin-top: 1px; }

.nav { flex: 1; padding: 8px 12px; overflow-y: auto; }
.nav__section {
  font-size: 11px; color: #5A6172; letter-spacing: .08em;
  padding: 16px 10px 6px; text-transform: uppercase;
}
.nav__item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; margin: 1px 0;
  border-radius: 7px; color: var(--sidebar-text);
  font-size: 13.5px; cursor: pointer;
  transition: background .12s, color .12s;
  text-decoration: none !important;
}
.nav__item:hover { background: rgba(255,255,255,.05); color: #D5DAE4; }
.nav__item--active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-text-active);
  font-weight: 500;
}
.nav__item--active .nav__icon { color: var(--sidebar-accent); }
.nav__icon { width: 17px; height: 17px; flex-shrink: 0; color: #6B7280; }
.nav__item--active .nav__icon, .nav__item:hover .nav__icon { color: var(--sidebar-accent); }
.nav__badge {
  margin-left: auto; font-size: 11px; padding: 1px 7px;
  border-radius: 99px; background: rgba(224,36,36,.22); color: #FCA5A5;
}

.sidebar__footer {
  padding: 14px 20px; border-top: 1px solid rgba(255,255,255,.07);
  display: flex; align-items: center; gap: 10px;
}
.avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: #2A3040; color: #B9C0D0;
  display: grid; place-items: center; font-size: 13px; font-weight: 600;
}
.sidebar__footer-name { color: #D5DAE4; font-size: 13px; font-weight: 500; }
.sidebar__footer-role { color: #5A6172; font-size: 11px; }

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

.topbar {
  height: 56px; background: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  padding: 0 28px;
  position: sticky; top: 0; z-index: 20;
}
.topbar__crumb { font-size: 13px; color: var(--text-muted); }
.topbar__crumb b { color: var(--text); font-weight: 600; }
.topbar__spacer { flex: 1; }
.topbar__time { font-size: 12.5px; color: var(--text-muted); font-variant-numeric: tabular-nums; }

.content { padding: 24px 28px 48px; max-width: 1440px; width: 100%; margin: 0 auto; }

/* ============ 页头 ============ */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 20px; gap: 16px; flex-wrap: wrap; }
.page-title { font-size: 21px; font-weight: 700; letter-spacing: -.01em; }
.page-desc { font-size: 13px; color: var(--text-secondary); margin-top: 3px; }
.page-actions { display: flex; gap: 8px; }

/* ============ 卡片 ============ */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-card);
}
.card__header {
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.card__title { font-size: 14.5px; font-weight: 600; }
.card__body { padding: 18px; }
.card__body--flush { padding: 0; }

/* ============ 统计卡 ============ */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px;
  box-shadow: var(--shadow-card);
  cursor: pointer; transition: border-color .12s, box-shadow .12s;
}
.stat:hover { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.stat--active { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.stat__label { font-size: 12.5px; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; }
.stat__dot { width: 8px; height: 8px; border-radius: 50%; }
.stat__value { font-size: 26px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.stat__hint { font-size: 11.5px; color: var(--text-muted); margin-top: 2px; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-family: var(--font); font-size: 13px; font-weight: 500;
  padding: 7px 14px; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer;
  transition: background .12s, border-color .12s, color .12s;
  white-space: nowrap; text-decoration: none !important;
}
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-hover); }
.btn--secondary { background: var(--card); color: var(--text); border-color: var(--border-strong); }
.btn--secondary:hover { border-color: var(--text-muted); background: #FAFAFB; }
.btn--danger-ghost { background: transparent; color: var(--danger); border-color: var(--danger-border); }
.btn--danger-ghost:hover { background: var(--danger-bg); }
.btn--ghost { background: transparent; color: var(--text-secondary); }
.btn--ghost:hover { background: #F0F1F3; color: var(--text); }
.btn--sm { font-size: 12.5px; padding: 4px 10px; }
.btn--lg { font-size: 14px; padding: 10px 20px; width: 100%; }

/* ============ 表单 ============ */
.field { margin-bottom: 14px; }
.field__label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 5px; color: var(--text); }
.field__hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.input, .select, .textarea {
  width: 100%; font-family: var(--font); font-size: 13.5px;
  padding: 7px 11px; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); background: var(--card); color: var(--text);
  transition: border-color .12s, box-shadow .12s;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.input--sm { padding: 5px 9px; font-size: 12.5px; }
.textarea { resize: vertical; min-height: 72px; }
.input-group { display: flex; gap: 8px; }
.input-group .input { flex: 1; }

/* ============ 徽章 ============ */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11.5px; font-weight: 500; line-height: 1;
  padding: 3px 8px; border-radius: 99px; border: 1px solid transparent;
  white-space: nowrap;
}
.badge--success { background: var(--success-bg); color: var(--success); border-color: var(--success-border); }
.badge--warning { background: var(--warning-bg2); color: var(--warning); border-color: var(--warning-border); }
.badge--danger  { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-border); }
.badge--info    { background: var(--info-bg); color: var(--info); border-color: var(--info-border); }
.badge--neutral { background: #F3F4F6; color: var(--text-secondary); border-color: var(--border); }
.badge--primary { background: var(--primary-soft); color: var(--primary); border-color: var(--primary-soft-border); }
.badge__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ============ 表格 ============ */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th {
  text-align: left; font-size: 12px; font-weight: 600;
  color: var(--text-secondary); background: #FAFAFB;
  padding: 9px 14px; border-bottom: 1px solid var(--border);
  white-space: nowrap; position: sticky; top: 0;
}
.table td { padding: 10px 14px; border-bottom: 1px solid #F0F1F3; vertical-align: middle; }
.table tbody tr { transition: background .1s; }
.table tbody tr:hover { background: #F8F9FB; }
.table tbody tr.row--selected { background: var(--primary-soft); }
.table tbody tr:last-child td { border-bottom: none; }
.table .mono { font-family: var(--mono); font-size: 12px; }
.table__actions { display: flex; gap: 6px; justify-content: flex-end; }

/* ============ 过滤栏 ============ */
.filterbar {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  padding: 12px 16px; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 14px; box-shadow: var(--shadow-card);
}
.filterbar .input, .filterbar .select { width: auto; }
.filterbar__search { min-width: 260px; }

/* ============ 批量操作条 ============ */
.batchbar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; margin-bottom: 14px;
  background: #1A1D26; color: #E5E7EB;
  border-radius: var(--radius);
  font-size: 13px;
  box-shadow: var(--shadow-pop);
}
.batchbar__count { font-weight: 600; color: #fff; }
.batchbar .btn--secondary { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.16); color: #E5E7EB; }
.batchbar .btn--secondary:hover { background: rgba(255,255,255,.15); }
.batchbar__divider { width: 1px; height: 18px; background: rgba(255,255,255,.15); }

/* ============ 提示条 ============ */
.alert {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 11px 14px; border-radius: var(--radius-sm);
  font-size: 13px; margin-bottom: 16px; border: 1px solid;
}
.alert--success { background: var(--success-bg); border-color: var(--success-border); color: #065F46; }
.alert--warning { background: var(--warning-bg2); border-color: var(--warning-border); color: #92400E; }
.alert--danger  { background: var(--danger-bg); border-color: var(--danger-border); color: #991B1B; }
.alert--info    { background: var(--info-bg); border-color: var(--info-border); color: #1E429F; }

/* ============ 分页 ============ */
.pagination { display: flex; align-items: center; gap: 6px; padding: 12px 16px; font-size: 13px; color: var(--text-secondary); }
.pagination__pages { display: flex; gap: 4px; margin-left: auto; }
.page-btn {
  min-width: 30px; height: 30px; padding: 0 8px;
  display: grid; place-items: center;
  border-radius: 6px; border: 1px solid var(--border);
  background: var(--card); color: var(--text-secondary);
  font-size: 12.5px; cursor: pointer;
}
.page-btn:hover { border-color: var(--border-strong); }
.page-btn--active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }

/* ============ 详情抽屉 ============ */
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 480px;
  background: var(--card); border-left: 1px solid var(--border);
  box-shadow: -12px 0 40px rgba(16,24,40,.14);
  z-index: 50; display: flex; flex-direction: column;
}
.drawer__header {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.drawer__title { font-size: 15px; font-weight: 600; flex: 1; }
.drawer__close {
  width: 28px; height: 28px; display: grid; place-items: center;
  border-radius: 6px; border: none; background: transparent;
  color: var(--text-muted); cursor: pointer; font-size: 16px;
}
.drawer__close:hover { background: #F0F1F3; color: var(--text); }
.drawer__body { flex: 1; overflow-y: auto; padding: 20px; }
.drawer__section { margin-bottom: 22px; }
.drawer__section-title {
  font-size: 12px; font-weight: 600; color: var(--text-muted);
  letter-spacing: .05em; text-transform: uppercase; margin-bottom: 10px;
}

/* 键值对 */
.kv { display: grid; grid-template-columns: 88px 1fr; gap: 7px 12px; font-size: 13px; }
.kv dt { color: var(--text-muted); }
.kv dd { color: var(--text); word-break: break-all; }

/* ============ 标签页 ============ */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); padding: 0 18px; }
.tab {
  padding: 10px 14px; font-size: 13.5px; color: var(--text-secondary);
  border: none; background: none; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab--active { color: var(--primary); font-weight: 600; border-bottom-color: var(--primary); }

/* ============ 登录页 ============ */
.auth-page {
  min-height: 100vh; display: grid; place-items: center;
  background: linear-gradient(160deg, #F4F5F7 0%, #E9EDF5 100%);
  padding: 24px;
}
.auth-card {
  width: 100%; max-width: 400px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; box-shadow: var(--shadow-pop);
  padding: 36px 36px 30px;
}
.auth-card__logo {
  width: 44px; height: 44px; border-radius: 11px;
  background: linear-gradient(135deg, #5B76F5, #3B5BDB);
  display: grid; place-items: center; color: #fff;
  font-weight: 700; font-size: 20px; margin-bottom: 18px;
}
.auth-card__title { font-size: 19px; font-weight: 700; }
.auth-card__desc { font-size: 13px; color: var(--text-secondary); margin: 4px 0 24px; }
.auth-card__footer { margin-top: 18px; font-size: 12.5px; color: var(--text-muted); text-align: center; }

/* ============ 客户端门户 ============ */
.portal { min-height: 100vh; background: var(--bg); }
.portal-nav {
  height: 58px; background: var(--card); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px; padding: 0 28px;
  position: sticky; top: 0; z-index: 20;
}
.portal-nav__brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; }
.portal-nav__logo {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, #5B76F5, #3B5BDB);
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 14px;
}
.portal-content { max-width: 1200px; margin: 0 auto; padding: 24px 28px 60px; }
.portal-grid { display: grid; grid-template-columns: 290px 1fr; gap: 18px; align-items: start; }

/* 客户端授权列表 */
.authlist { display: flex; flex-direction: column; }
.authlist__search { padding: 12px; border-bottom: 1px solid var(--border); }
.authlist__items { max-height: 640px; overflow-y: auto; }
.authitem {
  display: block; padding: 12px 14px; border-bottom: 1px solid #F0F1F3;
  cursor: pointer; transition: background .1s;
  border-left: 3px solid transparent;
  text-decoration: none !important; color: var(--text);
}
.authitem:hover { background: #F8F9FB; }
.authitem--active { background: var(--primary-soft); border-left-color: var(--primary); }
.authitem__domain { font-weight: 600; font-size: 13.5px; word-break: break-all; }
.authitem__punycode { font-family: var(--mono); font-size: 11px; color: var(--text-muted); word-break: break-all; }
.authitem__meta { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; align-items: center; }
.authitem__exp { font-size: 11.5px; color: var(--text-muted); }

/* 记录行编辑 */
.record-row { display: grid; grid-template-columns: 1.1fr .7fr .9fr 2fr auto; gap: 10px; align-items: start; }

/* ============ 模态 ============ */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(16,20,28,.5);
  display: grid; place-items: center; z-index: 100; padding: 20px;
}
.modal {
  width: 100%; max-width: 460px; background: var(--card);
  border-radius: 14px; box-shadow: var(--shadow-pop);
}
.modal__header { padding: 18px 22px 0; }
.modal__title { font-size: 16px; font-weight: 700; }
.modal__body { padding: 12px 22px 4px; font-size: 13.5px; color: var(--text-secondary); }
.modal__footer { padding: 16px 22px 20px; display: flex; justify-content: flex-end; gap: 8px; }

/* ============ 工具类 ============ */
.mono { font-family: var(--mono); }
.muted { color: var(--text-muted); }
.small { font-size: 12px; }
.mt-2 { margin-top: 8px; } .mt-3 { margin-top: 12px; } .mt-4 { margin-top: 16px; } .mt-5 { margin-top: 20px; }
.mb-2 { margin-bottom: 8px; } .mb-3 { margin-bottom: 12px; } .mb-4 { margin-bottom: 16px; } .mb-5 { margin-bottom: 20px; }
.flex { display: flex; } .items-center { align-items: center; } .gap-2 { gap: 8px; } .gap-3 { gap: 12px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.text-right { text-align: right; }
.w-full { width: 100%; }
.checkbox { width: 15px; height: 15px; accent-color: var(--primary); cursor: pointer; }
.divider { height: 1px; background: var(--border); margin: 18px 0; }
.copybox {
  background: #F8F9FB; border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm); padding: 12px 14px;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.8;
  position: relative;
}