/* ===== Design tokens ===== */
:root {
  --radius: 14px;
  --radius-sm: 10px;
}

/* ---- Dark theme ---- */
:root,
[data-theme="dark"] {
  --bg: #0f1115;
  --bg-soft: #151821;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #e6e8ee;
  --text-soft: #a3a8b5;
  --text-mute: #6b7180;

  --brand: #7c5cff;
  --brand-2: #4f8cff;
  --brand-grad: linear-gradient(135deg, #7c5cff 0%, #4f8cff 100%);

  --ok: #34d399;
  --ok-soft: rgba(52, 211, 153, .12);
  --warn: #fbbf24;
  --warn-soft: rgba(251, 191, 36, .12);
  --err: #f87171;
  --err-soft: rgba(248, 113, 113, .14);

  --shadow-lg: 0 20px 60px -20px rgba(0, 0, 0, .6),
               0 8px 24px -10px rgba(0, 0, 0, .5);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);

  --bg-decor:
    radial-gradient(1200px 600px at 10% -10%, rgba(124, 92, 255, .18), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(79, 140, 255, .14), transparent 60%);

  --topbar-bg: rgba(15, 17, 21, .8);
  --spinner-track: rgba(255, 255, 255, .15);
  --th-bg: rgba(255, 255, 255, .02);
  --logo-shadow: 0 8px 20px -6px rgba(124, 92, 255, .55);
  --focus-ring: rgba(124, 92, 255, .18);
}

/* ---- Light theme ---- */
[data-theme="light"] {
  --bg: #f6f7fb;
  --bg-soft: #ffffff;
  --surface: rgba(15, 23, 42, .03);
  --surface-2: rgba(15, 23, 42, .055);
  --border: rgba(15, 23, 42, .08);
  --border-strong: rgba(15, 23, 42, .14);
  --text: #0f172a;
  --text-soft: #475569;
  --text-mute: #94a3b8;

  --brand: #6d4afe;
  --brand-2: #3d7fff;
  --brand-grad: linear-gradient(135deg, #6d4afe 0%, #3d7fff 100%);

  --ok: #059669;
  --ok-soft: rgba(5, 150, 105, .1);
  --warn: #d97706;
  --warn-soft: rgba(217, 119, 6, .1);
  --err: #dc2626;
  --err-soft: rgba(220, 38, 38, .1);

  --shadow-lg: 0 20px 60px -20px rgba(15, 23, 42, .15),
               0 8px 24px -10px rgba(15, 23, 42, .08);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);

  --bg-decor:
    radial-gradient(1200px 600px at 10% -10%, rgba(109, 74, 254, .12), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(61, 127, 255, .08), transparent 60%);

  --topbar-bg: rgba(255, 255, 255, .85);
  --spinner-track: rgba(15, 23, 42, .1);
  --th-bg: rgba(15, 23, 42, .025);
  --logo-shadow: 0 8px 20px -6px rgba(109, 74, 254, .35);
  --focus-ring: rgba(109, 74, 254, .15);
}

/* ===== Base ===== */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg-decor), var(--bg);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "cv11", "ss01";
  min-height: 100vh;
  transition: background-color .2s, color .2s;
}
a { color: inherit; }
code, .mono {
  font-family: ui-monospace, "JetBrains Mono", SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .92em;
}

/* ===== Layout ===== */
.wrap {
  max-width: 720px;
  margin: 80px auto;
  padding: 36px 40px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
  transition: background-color .2s, border-color .2s;
}
.wrap.narrow { max-width: 420px; padding: 36px; margin-top: 14vh; }
.wrap.wide   { max-width: 1280px; margin: 24px auto; }

/* ===== Hero ===== */
.hero {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 6px;
}
.hero .logo {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--brand-grad);
  display: grid; place-items: center;
  box-shadow: var(--logo-shadow);
}
.hero h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.subtitle {
  color: var(--text-soft);
  font-size: 14px;
  margin: 0 0 24px;
}

/* ===== Form ===== */
.field {
  position: relative;
  display: flex;
  gap: 10px;
  margin-top: 22px;
}
.input {
  flex: 1;
  min-width: 0;
  font-size: 15px;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
  font-family: inherit;
}
.input::placeholder { color: var(--text-mute); }
.input:focus {
  border-color: var(--brand);
  background: var(--surface-2);
  box-shadow: 0 0 0 4px var(--focus-ring);
}
.btn {
  font-size: 14px;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--brand-grad);
  color: #fff;
  cursor: pointer;
  transition: transform .08s, box-shadow .15s, opacity .15s;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: inherit;
  white-space: nowrap;
}
.btn:hover { box-shadow: 0 8px 24px -8px var(--focus-ring); filter: brightness(1.05); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-soft);
}
.btn.ghost:hover { color: var(--text); border-color: var(--text-mute); box-shadow: none; filter: none; }
.btn.danger { background: linear-gradient(135deg, var(--err) 0%, color-mix(in srgb, var(--err) 70%, #000) 100%); }
.btn.sm { padding: 6px 12px; font-size: 12px; }

/* ===== Result card ===== */
.result {
  margin-top: 22px;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.65;
  animation: rise .25s ease;
}
.result.hidden { display: none; }
.result.ok   { border-color: color-mix(in srgb, var(--ok)   35%, transparent); background: var(--ok-soft); }
.result.warn { border-color: color-mix(in srgb, var(--warn) 35%, transparent); background: var(--warn-soft); }
.result.err  { border-color: color-mix(in srgb, var(--err)  35%, transparent); background: var(--err-soft); }

.result .row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  align-items: center;
  padding: 4px 0;
}
.result .lbl { color: var(--text-mute); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.result .sub { color: var(--text-soft); font-size: 12px; margin-top: 4px; }
.result strong { color: var(--text); }
.result code { color: var(--text); background: var(--surface-2); padding: 2px 6px; border-radius: 6px; }

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== Badge ===== */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-soft);
  white-space: nowrap;
}
.badge.ok   { color: var(--ok);   background: var(--ok-soft);   border-color: color-mix(in srgb, var(--ok)   30%, transparent); }
.badge.warn { color: var(--warn); background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.badge.err  { color: var(--err);  background: var(--err-soft);  border-color: color-mix(in srgb, var(--err)  30%, transparent); }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ===== Spinner ===== */
.spin {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid var(--spinner-track);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  vertical-align: -3px;
  margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Footer note ===== */
.note {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--text-mute);
  font-size: 12px;
  display: flex; align-items: center; gap: 6px;
}

/* ===== Login / change-pw ===== */
.login-head { text-align: center; margin-bottom: 24px; }
.login-head .logo { width: 48px; height: 48px; border-radius: 14px; margin: 0 auto 14px; background: var(--brand-grad); display: grid; place-items: center; box-shadow: var(--logo-shadow); }
.login-head h1 { margin: 0; font-size: 20px; font-weight: 600; }
.login-head p { color: var(--text-soft); margin: 6px 0 0; font-size: 13px; }
.login-form { display: flex; flex-direction: column; gap: 12px; margin-top: 10px; }
.login-form .btn { justify-content: center; padding: 13px; }

/* ===== Admin top bar ===== */
.topbar {
  background: var(--topbar-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky; top: 0; z-index: 10;
}
.topbar .inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.topbar .brand .logo { width: 30px; height: 30px; border-radius: 9px; background: var(--brand-grad); display: grid; place-items: center; }
.topbar nav { display: flex; gap: 18px; align-items: center; }
.topbar nav a { color: var(--text-soft); text-decoration: none; font-size: 14px; transition: color .15s; }
.topbar nav a:hover { color: var(--text); }

/* ===== Stats ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.stat {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  transition: background-color .2s, border-color .2s;
}
.stat::before {
  content: "";
  position: absolute; inset: 0 auto 0 0;
  width: 3px;
  background: var(--brand-grad);
  opacity: .8;
}
.stat .label { font-size: 12px; color: var(--text-mute); text-transform: uppercase; letter-spacing: .08em; }
.stat .value { font-size: 26px; font-weight: 600; margin-top: 6px; }
.stat.ok::before   { background: linear-gradient(135deg, var(--ok),   color-mix(in srgb, var(--ok)   60%, #000)); }
.stat.warn::before { background: linear-gradient(135deg, var(--warn), color-mix(in srgb, var(--warn) 60%, #000)); }
.stat.err::before  { background: linear-gradient(135deg, var(--err),  color-mix(in srgb, var(--err)  60%, #000)); }

/* ===== Search ===== */
.search {
  display: flex; gap: 10px; align-items: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.search .input { max-width: 320px; padding: 10px 14px; }
.search .meta { color: var(--text-mute); font-size: 13px; margin-left: auto; }

/* ===== Table ===== */
.tablewrap {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: background-color .2s, border-color .2s;
}
.tableinner { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr { transition: background .12s; }
tbody tr:hover { background: var(--surface); }
th {
  background: var(--th-bg);
  font-weight: 500;
  color: var(--text-mute);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: .08em;
  white-space: nowrap;
}
td.actions { white-space: nowrap; }
td.actions .btn { margin-right: 4px; }
.trunc {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-soft);
}
.empty {
  padding: 60px 20px !important;
  text-align: center;
  color: var(--text-mute);
}
.empty svg { display: block; margin: 0 auto 12px; opacity: .5; }

/* ===== Pager ===== */
.pager {
  margin-top: 18px;
  display: flex; gap: 10px;
  justify-content: center; align-items: center;
  font-size: 13px;
  color: var(--text-soft);
}
.pager a {
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  color: var(--text-soft);
  transition: all .15s;
}
.pager a:hover { color: var(--text); border-color: var(--text-mute); background: var(--surface); }

/* ===== Toast ===== */
.toast-wrap {
  position: fixed;
  top: 20px; right: 20px;
  display: flex; flex-direction: column; gap: 10px;
  z-index: 100;
}
.toast {
  padding: 12px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  font-size: 13px;
  min-width: 220px;
  animation: rise .25s ease;
  border-left: 3px solid var(--brand);
}
.toast.ok  { border-left-color: var(--ok); }
.toast.err { border-left-color: var(--err); }

/* ===== Theme toggle button ===== */
.theme-toggle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--text-soft);
  cursor: pointer;
  display: grid; place-items: center;
  transition: color .2s, border-color .2s, transform .15s, box-shadow .2s;
  padding: 0;
}
.theme-toggle:hover {
  color: var(--brand);
  border-color: var(--brand);
  transform: scale(1.06) rotate(15deg);
}
.theme-toggle svg { display: none; }
[data-theme="dark"]  .theme-toggle .theme-sun  { display: block; }
[data-theme="light"] .theme-toggle .theme-moon { display: block; }

/* 非顶栏页面：浮动右上角 */
.theme-toggle--float {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 50;
  width: 38px;
  height: 38px;
  box-shadow: var(--shadow-sm);
}
/* admin 顶栏页隐藏浮动按钮，使用 nav 里的内联按钮 */
.has-topbar .theme-toggle--float { display: none; }

/* ===== Util ===== */
.muted { color: var(--text-mute); }
.center { text-align: center; }
.row-flex { display: flex; align-items: center; justify-content: space-between; }

@media (max-width: 640px) {
  .wrap { margin: 24px 16px; padding: 24px; }
  .field { flex-direction: column; }
  .field .btn { width: 100%; justify-content: center; }
  .theme-toggle--float { top: 12px; right: 12px; width: 34px; height: 34px; }
  .region-form { flex-direction: column; }
  .region-form .input { width: 100%; }
  .region-form .btn { width: 100%; justify-content: center; }
}

/* ===================================================================
 * 多地区卡片（v1.2.0）
 * =================================================================== */

.subtitle {
  color: var(--text-soft);
  font-size: 14px;
  margin: 4px 0 18px;
}

.hint {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  margin: 0 0 20px;
  background: color-mix(in srgb, var(--brand) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand) 28%, transparent);
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
}
.hint svg {
  color: var(--brand);
  flex-shrink: 0;
  margin-top: 1px;
}
.hint strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 600;
}
.hint code {
  background: var(--surface-2);
  color: var(--text);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.region-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 16px;
  transition: border-color .15s, box-shadow .15s;
}
.region-card:hover {
  border-color: var(--border-strong);
}

.region-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.region-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  border-radius: 999px;
  color: #fff;
}
.region-pill-xy { background: linear-gradient(135deg, #7c5cff 0%, #4f8cff 100%); }
.region-pill-nb { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.region-pill-sy { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }

.region-desc {
  color: var(--text-soft);
  font-size: 13px;
  flex: 1;
  min-width: 200px;
}

.region-form {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.region-form .input { flex: 1; }
.region-form-with-ip .input:nth-of-type(1) { flex: 1.4; }   /* domain wider */
.region-form-with-ip .input:nth-of-type(2) { flex: 1; }      /* ip narrower */

.region-result {
  margin-top: 14px;
}