:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-input: #252833;
  --border: #2d3140;
  --text: #e4e6ed;
  --text-dim: #8b8fa3;
  --accent: #6c5ce7;
  --accent-hover: #7c6ef7;
  --green: #00b894;
  --red: #e17055;
  --yellow: #fdcb6e;
  --blue: #74b9ff;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

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

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

/* Layout */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
}
.sidebar .logo {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}
.sidebar .logo span { color: var(--text-dim); font-weight: 400; font-size: 12px; display: block; margin-top: 4px; }
.sidebar nav { flex: 1; padding: 12px 0; }
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.15s;
  cursor: pointer;
}
.sidebar nav a:hover, .sidebar nav a.active {
  color: var(--text);
  background: rgba(108,92,231,0.1);
  border-right: 3px solid var(--accent);
}
.sidebar .logout {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}
.sidebar .logout a { color: var(--text-dim); text-decoration: none; font-size: 13px; cursor: pointer; }
.sidebar .logout a:hover { color: var(--red); }

.main {
  flex: 1;
  padding: 30px;
  overflow-y: auto;
}

.main h1 { font-size: 24px; margin-bottom: 24px; font-weight: 600; }

/* Login */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}
.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 380px;
  box-shadow: var(--shadow);
}
.login-box h1 { text-align: center; margin-bottom: 8px; font-size: 22px; }
.login-box p { text-align: center; color: var(--text-dim); margin-bottom: 24px; font-size: 14px; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 500;
}
.form-group input, .form-group select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus {
  border-color: var(--accent);
}
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  color: #fff;
}
.btn-primary { background: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-success { background: var(--green); }
.btn-danger { background: var(--red); }
.btn-danger:hover { background: #d35400; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.btn-outline:hover { border-color: var(--text-dim); color: var(--text); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card .card-label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.card .card-value { font-size: 28px; font-weight: 700; }
.card .card-sub { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

/* Table */
.table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.2);
}
td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
tr:last-child td { border-bottom: none; }
tr:hover { background: rgba(108,92,231,0.05); }

/* Status badges */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}
.badge-active { background: rgba(0,184,148,0.15); color: var(--green); }
.badge-disabled { background: rgba(139,143,163,0.15); color: var(--text-dim); }
.badge-warning { background: rgba(253,203,110,0.15); color: var(--yellow); }

/* Actions */
.actions { display: flex; gap: 6px; }

/* Alert */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-error { background: rgba(225,112,85,0.15); color: var(--red); border: 1px solid rgba(225,112,85,0.3); }
.alert-success { background: rgba(0,184,148,0.15); color: var(--green); border: 1px solid rgba(0,184,148,0.3); }
.alert-warning { background: rgba(253,203,110,0.15); color: var(--yellow); border: 1px solid rgba(253,203,110,0.3); }

/* Progress */
.progress-steps { margin: 20px 0; }
.progress-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-dim);
}
.progress-step.done { color: var(--green); }
.progress-step.active { color: var(--accent); }
.progress-step.error { color: var(--red); }
.step-icon { width: 20px; text-align: center; }

/* Config box */
.config-box {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  position: relative;
  margin-top: 12px;
}
.config-box .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
}

/* Analytics */
.analytics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.analytics-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.analytics-card h3 { font-size: 14px; color: var(--text-dim); margin-bottom: 12px; }

/* DNS Records table */
.dns-table { margin-top: 24px; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  min-width: 400px;
  max-width: 500px;
  box-shadow: var(--shadow);
}
.modal h2 { margin-bottom: 16px; font-size: 18px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }

/* Spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}
.empty-state p { margin-bottom: 16px; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar .logo span, .sidebar nav a span { display: none; }
  .sidebar nav a { justify-content: center; padding: 10px; }
  .main { padding: 16px; }
  .form-row { flex-direction: column; }
}