:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #0f172a;
  --border: #334155;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --code-bg: #090d16;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
}

.hidden {
  display: none !important;
}

/* Login Screen */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 420px;
  padding: 2.25rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.brand-header img {
  width: 46px;
  height: 46px;
}

.brand-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* App Layout */
.app-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 1.25rem;
}

.nav-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-btn:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--text);
}

.nav-btn.active {
  background: var(--primary);
  color: #fff;
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.quick-links {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.quick-link {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.85rem;
}

.quick-link:hover {
  background: rgba(99, 102, 241, 0.2);
}

.main-content {
  padding: 2rem 2.5rem;
  max-width: 1320px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.75rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
}

/* Cards & Grids */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 700;
  margin-top: 0.35rem;
  word-break: break-all;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Forms & Buttons */
.form-group {
  margin-bottom: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.85rem;
  align-items: end;
}

label {
  display: block;
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 0.8rem;
  border-radius: 7px;
  font-size: 0.92rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 0.6rem 1.1rem;
  border-radius: 7px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

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

.btn-secondary {
  background: #334155;
}

.btn-secondary:hover {
  background: #475569;
}

.btn-danger {
  background: rgba(239, 68, 68, 0.18);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.35);
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  text-align: left;
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.domain-header-row td,
.domain-header-row th {
  background: rgba(99, 102, 241, 0.14);
  color: #f8fafc;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: none;
  padding: 0.65rem 0.95rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-ok {
  background: rgba(16, 185, 129, 0.18);
  color: #6ee7b7;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.18);
  color: #fcd34d;
}

.badge-error {
  background: rgba(239, 68, 68, 0.18);
  color: #fca5a5;
}

.code-box {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.95rem 1.1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  color: #e2e8f0;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  margin-top: 0.5rem;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: #1e293b;
  border: 1px solid var(--primary);
  color: var(--text);
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  z-index: 1000;
}