:root {
  --bg-dark: #0d111a;
  --bg-panel: #151b28;
  --bg-card: #1b2334;
  --border-color: #2b364f;
  --gold: #f5b942;
  --gold-hover: #ffd06b;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --danger: #ef4444;
  --success: #10b981;
  --warn: #f59e0b;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
}

.hidden {
  display: none !important;
}

/* Login Overlay */
.login-overlay {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: radial-gradient(circle at top, #1f2942 0%, #0d111a 70%);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--gold);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.royal-seal {
  font-size: 48px;
  margin-bottom: 8px;
}

.login-card h1 {
  color: var(--gold);
  font-size: 24px;
  letter-spacing: 1px;
}

.login-card .subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
}

/* Layout */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 270px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 20px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 16px;
}

.brand-icon {
  font-size: 32px;
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
}

.brand-domain {
  font-size: 12px;
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-btn {
  text-align: left;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  padding: 11px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
}

.nav-btn:hover {
  background: rgba(245, 185, 66, 0.08);
  color: var(--text-main);
}

.nav-btn.active {
  background: rgba(245, 185, 66, 0.16);
  color: var(--gold);
  border-color: rgba(245, 185, 66, 0.4);
  font-weight: 600;
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.conn-badge {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
}

.conn-badge.online {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.conn-badge.offline {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.main-content {
  flex: 1;
  padding: 28px 32px;
  overflow-y: auto;
  max-width: 1400px;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.page-header h2 {
  font-size: 22px;
  color: var(--gold);
}

.page-header p {
  color: var(--text-muted);
  font-size: 14px;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px;
}

.stat-card.warn {
  border-color: rgba(245, 158, 11, 0.5);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--gold);
  margin-top: 4px;
}

/* Cards & Grids */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 22px;
}

.card h3 {
  font-size: 17px;
  margin-bottom: 16px;
  color: #f8fafc;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 18px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.mt-16 {
  margin-top: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
  text-align: left;
}

.field label {
  font-size: 13px;
  font-weight: 600;
  color: #cbd5e1;
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
  background: #0f1624;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  width: 100%;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--gold);
}

.split-input {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 8px;
}

.inline-form {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.inline-form input,
.inline-form select {
  flex: 1;
  min-width: 150px;
}

.help-text {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* Buttons */
.btn {
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.btn-gold {
  background: var(--gold);
  color: #111827;
}

.btn-gold:hover {
  background: var(--gold-hover);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.35);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.3);
}

.btn-success {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.4);
}

.btn-sm {
  padding: 6px 10px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
}

.card-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

/* Toggles */
.toggles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.toggle-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #0f1624;
  border: 1px solid var(--border-color);
  padding: 12px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
}

.toggle-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--gold);
}

/* Tables */
.table-wrap {
  overflow-x: auto;
}

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

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

th {
  color: var(--text-muted);
  font-weight: 600;
  background: rgba(15, 22, 36, 0.5);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(245, 185, 66, 0.15);
  color: var(--gold);
}

.badge.ok {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.badge.err {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

/* Punishment Rules Grid */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.rule-box {
  background: #0f1624;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
}

.rule-box h4 {
  color: var(--gold);
  margin-bottom: 12px;
  font-size: 15px;
}

.step-row {
  display: grid;
  grid-template-columns: 70px 1fr 110px;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.step-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

/* Knowledge Base & Logs */
.kb-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 420px;
  overflow-y: auto;
}

.kb-card {
  background: #0f1624;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 14px;
}

.kb-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.kb-card-title {
  font-weight: 600;
  color: var(--gold);
}

.kb-card-body {
  font-size: 13px;
  color: #cbd5e1;
  white-space: pre-wrap;
}

.result-box {
  margin-top: 12px;
  padding: 14px;
  border-radius: 10px;
  background: #0f1624;
  border: 1px solid var(--gold);
  font-size: 13px;
  white-space: pre-wrap;
}

.guide-steps {
  padding-left: 20px;
  color: #cbd5e1;
  font-size: 14px;
}

.guide-steps li {
  margin-bottom: 8px;
}

.groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 16px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--gold);
  color: #111827;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  z-index: 9999;
}

@media (max-width: 860px) {
  .app-shell {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .main-content {
    padding: 18px;
  }
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}