/* ============================================================
   Descend Network · 管理控制台样式
   与用户控制台同一套 Vercel 风视觉语言：
   纯黑底 / 明确灰边框 / 近零圆角 / 无玻璃无渐变。
   ============================================================ */

:root {
  --bg: #000;
  --bg-panel: #0a0a0a;
  --bg-hover: #141414;
  --bg-input: #0a0a0a;
  --border: #333;
  --border-hover: #666;
  --text: #fff;
  --text-2: #a1a1a1;
  --text-3: #666;
  --blue: #0070f3;
  --blue-hover: #0060df;
  --red: #ef4444;
  --red-hover: #dc2626;
  --green: #10b981;
  --orange: #f5a623;
  --r: 6px;
  --font: -apple-system, 'Segoe UI', 'Inter', system-ui, sans-serif;
  --mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #fafafa;
  --bg-panel: #fff;
  --bg-hover: #f5f5f5;
  --bg-input: #fff;
  --border: #eaeaea;
  --border-hover: #999;
  --text: #000;
  --text-2: #666;
  --text-3: #888;
  color-scheme: light;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ---------- 启动 / 权限不足 ---------- */
.boot, .denied {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px;
}
.boot-spinner {
  width: 28px; height: 28px;
  border: 2px solid var(--text);
  border-top-color: transparent;
  border-radius: 50%;
  opacity: .7;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.boot-text { color: var(--text-2); font-size: 13px; }

.denied-card {
  max-width: 420px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--bg-panel);
  padding: 32px 28px;
  text-align: center;
}
.denied-icon { font-size: 34px; margin-bottom: 12px; }
.denied-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.denied-desc { font-size: 13px; color: var(--text-2); margin-bottom: 22px; word-break: break-word; }
.denied-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ---------- 顶栏 ---------- */
.topbar {
  height: 60px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--bg-panel);
  position: sticky;
  top: 0;
  z-index: 20;
  gap: 16px;
}
.topbar-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark { width: 26px; height: 26px; color: var(--blue); flex-shrink: 0; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-text { font-size: 14px; font-weight: 600; letter-spacing: -.01em; }
.brand-sub { font-size: 11px; color: var(--text-3); font-family: var(--mono); }
.topbar-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.who { font-size: 12px; color: var(--text-2); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.icon-btn {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text-2);
  cursor: pointer;
  transition: all .15s ease;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-hover); }
.icon-btn svg { width: 16px; height: 16px; }

/* ---------- 主区域 ---------- */
.main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ---------- 概览 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}
.stat {
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--bg-panel);
  padding: 16px 18px;
}
.stat-value { font-size: 26px; font-weight: 600; font-family: var(--mono); line-height: 1.2; }
.stat-label { font-size: 11px; color: var(--text-3); text-transform: uppercase; letter-spacing: .6px; margin-top: 4px; }

/* ---------- 面板 ---------- */
.panel {
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--bg-panel);
  overflow: hidden;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.panel-title { font-size: 14px; font-weight: 600; }
.panel-body { padding: 18px; }

/* ---------- 表单 ---------- */
.field-row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 6px; flex: 1 1 160px; min-width: 0; }
.field label { font-size: 12px; color: var(--text-2); }

.input {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s ease;
}
.input:focus { border-color: var(--text); }
.input-sm { padding: 7px 10px; font-size: 12px; }

.hint { font-size: 12px; color: var(--text-3); margin-top: 12px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: transparent;
  color: var(--text-2);
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all .15s ease;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { color: var(--text); border-color: var(--border-hover); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--blue-hover); border-color: var(--blue-hover); color: #fff; }

.btn-danger { background: var(--red); border-color: var(--red); color: #fff; }
.btn-danger:hover:not(:disabled) { background: var(--red-hover); border-color: var(--red-hover); color: #fff; }

.btn-outline { background: transparent; }

.btn-sm { padding: 7px 14px; font-size: 12px; }
.btn-xs { padding: 4px 10px; font-size: 11px; }

/* ---------- 查询结果 ---------- */
.result { margin-top: 18px; border-top: 1px solid var(--border); padding-top: 18px; }
.result-domain {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -.01em;
  word-break: break-all;
}
.result-rows { display: flex; flex-direction: column; gap: 2px; margin-bottom: 18px; }
.result-row {
  display: flex;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.result-row:last-child { border-bottom: none; }
.result-row .rk { width: 120px; flex-shrink: 0; color: var(--text-3); }
.result-row .rv { color: var(--text-2); word-break: break-all; }
.result-row .rv.on { color: var(--red); font-weight: 500; }
.result-row .rv.off { color: var(--text-3); }

.actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 12px;
}
.action-card {
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px 16px;
}
.action-title { font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.action-desc { font-size: 12px; color: var(--text-3); line-height: 1.55; margin-bottom: 12px; }
.action-controls { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.action-controls .input-sm { flex: 1 1 140px; min-width: 0; }

/* ---------- 表格 ---------- */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th {
  text-align: left;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 0 12px 10px 0;
  border-bottom: 1px solid var(--border);
}
.table td { padding: 11px 12px 11px 0; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.mono { font-family: var(--mono); }
.muted { color: var(--text-3); font-size: 12px; }

.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.tag.danger { background: rgba(239, 68, 68, .12); color: var(--red); border-color: rgba(239, 68, 68, .3); }
.tag.warn { background: rgba(245, 166, 35, .12); color: var(--orange); border-color: rgba(245, 166, 35, .3); }
.tag.info { background: rgba(0, 112, 243, .12); color: var(--blue); border-color: rgba(0, 112, 243, .3); }

.empty { padding: 32px 12px; text-align: center; color: var(--text-3); font-size: 13px; }
.empty.error { color: var(--red); }

/* ---------- Toast ---------- */
.toasts {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
  max-width: 360px;
}
.toast {
  padding: 11px 16px;
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-radius: var(--r);
  background: var(--bg-panel);
  font-size: 13px;
  color: var(--text-2);
  word-break: break-word;
  animation: toastIn .18s ease;
}
.toast.success { border-left-color: var(--green); color: var(--text); }
.toast.error { border-left-color: var(--red); color: var(--text); }
.toast.out { opacity: 0; transform: translateY(6px); transition: all .25s ease; }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- 窄屏 ---------- */
@media (max-width: 640px) {
  .topbar { padding: 0 14px; }
  .main { padding: 16px 14px 48px; }
  .brand-sub { display: none; }
  .who { display: none; }
  .field-row { flex-direction: column; align-items: stretch; }
  .result-row .rk { width: 92px; }
  .table th:nth-child(3), .table td:nth-child(3),
  .table th:nth-child(4), .table td:nth-child(4) { display: none; }
}