:root {
  --primary: #635bff;
  --primary-hover: #5247e6;
  --primary-glow: rgba(99, 91, 255, 0.15);
  --bg: #0a0b10;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-input: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --text: #f0f0f5;
  --text-muted: #8b92a5;
  --text-dim: #5a6078;
  --success: #00d924;
  --success-bg: rgba(0, 217, 36, 0.08);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.08);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1 { font-size: 28px; font-weight: 700; letter-spacing: -0.5px; }
h2 { font-size: 22px; font-weight: 600; letter-spacing: -0.3px; }
h3 { font-size: 18px; font-weight: 600; }
p { color: var(--text-muted); line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== LAYOUT ===== */
.app-layout {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
}

.sidebar {
  width: 260px;
  background: rgba(255,255,255,0.02);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.sidebar-brand img { width: 32px; height: 32px; border-radius: 8px; }
.sidebar-brand span { font-size: 18px; font-weight: 700; letter-spacing: -0.5px; }

.sidebar-nav { flex: 1; display: flex; flex-direction: column; gap: 4px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  border: none;
  background: none;
  width: 100%;
  font-family: inherit;
}

.nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--text);
  text-decoration: none;
}

.nav-item.active {
  background: var(--primary-glow);
  color: var(--primary);
}

.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }
.nav-spacer { flex: 1; }

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-glow);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
}

.user-details { overflow: hidden; }
.user-details .user-name { font-size: 13px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-details .user-email { font-size: 11px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
  max-width: 1100px;
}

.page-header {
  margin-bottom: 32px;
}

.page-header h1 { margin-bottom: 6px; }
.page-header p { font-size: 14px; }

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition);
}

.card:hover { border-color: var(--border-hover); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg { width: 22px; height: 22px; }
.stat-icon.purple { background: var(--primary-glow); color: var(--primary); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.yellow { background: var(--warning-bg); color: var(--warning); }
.stat-icon.red { background: var(--error-bg); color: var(--error); }

.stat-info { display: flex; flex-direction: column; gap: 2px; }
.stat-value { font-size: 28px; font-weight: 700; letter-spacing: -1px; }
.stat-label { font-size: 13px; color: var(--text-muted); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 2px 8px rgba(99, 91, 255, 0.3);
}
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--border-hover); }

.btn-danger {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.15); }

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-icon { padding: 8px; }

/* ===== FORMS ===== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control::placeholder { color: var(--text-dim); }

select.form-control {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b92a5' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-row .form-group { flex: 1; }

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

/* ===== TABLE ===== */
.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
}

table th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

table td {
  padding: 14px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

table tr:last-child td { border-bottom: none; }
table tr:hover td { background: rgba(255,255,255,0.01); }

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-error { background: var(--error-bg); color: var(--error); }
.badge-info { background: var(--primary-glow); color: var(--primary); }

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ===== MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.active { display: flex; }

.modal {
  background: #14161e;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
  animation: modalSlideIn 0.2s ease;
}

@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.modal-header h3 { font-size: 18px; }

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal-close:hover { background: var(--bg-card-hover); color: var(--text); }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ===== TOGGLE ===== */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

.toggle input { display: none; }

.toggle-slider {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: all var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: all var(--transition);
}

.toggle input:checked + .toggle-slider {
  background: var(--primary);
  border-color: var(--primary);
}

.toggle input:checked + .toggle-slider::before {
  transform: translateX(20px);
  background: white;
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastSlide 0.3s ease;
  border: 1px solid var(--border);
  background: #1a1c24;
  min-width: 280px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

@keyframes toastSlide {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--error); }
.toast-info { border-left: 3px solid var(--primary); }

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.empty-state svg { width: 48px; height: 48px; margin-bottom: 16px; opacity: 0.3; }
.empty-state h3 { margin-bottom: 8px; color: var(--text); }
.empty-state p { font-size: 14px; margin-bottom: 20px; }

/* ===== LOGIN PAGE ===== */
.login-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: radial-gradient(circle at 15% 50%, rgba(99, 91, 255, 0.08), transparent 25%),
                    radial-gradient(circle at 85% 30%, rgba(99, 91, 255, 0.05), transparent 25%);
  padding: 16px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
  backdrop-filter: blur(20px);
}

.login-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}

.login-brand img { width: 40px; height: 40px; border-radius: 10px; }
.login-brand span { font-size: 24px; font-weight: 700; letter-spacing: -0.5px; }

.login-card .form-control {
  padding: 13px 16px;
  font-size: 15px;
}

.login-card .btn-primary {
  width: 100%;
  padding: 14px;
  font-size: 15px;
  margin-top: 8px;
}

.login-error {
  background: var(--error-bg);
  color: var(--error);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

/* ===== MOBILE HAMBURGER ===== */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: rgba(10, 11, 16, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
}

.hamburger {
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hamburger svg { width: 24px; height: 24px; }

.mobile-topbar .brand-text { font-size: 16px; font-weight: 700; }

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .mobile-topbar { display: flex; }

  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 8px 0 32px rgba(0,0,0,0.5);
  }

  .sidebar-overlay.active { display: block; }

  .main-content {
    margin-left: 0;
    padding: 72px 16px 24px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .stat-card { padding: 16px; }
  .stat-value { font-size: 24px; }

  .form-row { flex-direction: column; gap: 0; }

  .page-header h1 { font-size: 22px; }

  table { font-size: 13px; }
  table th, table td { padding: 10px 12px; }

  .modal { padding: 20px; margin: 8px; }
}

@media (max-width: 400px) {
  .stats-grid { grid-template-columns: 1fr; }
  .login-card { padding: 28px 20px; }
}

/* ===== LOADING SPINNER ===== */
.spinner-inline {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

.hidden { display: none !important; }

/* ===== SECTION HEADERS ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-header h2 { margin: 0; }

/* ===== PIXEL TYPE ICONS ===== */
.pixel-type-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.pixel-type-icon.meta { background: #1877f2; color: white; }
.pixel-type-icon.ga4 { background: #e37400; color: white; }
.pixel-type-icon.gtm { background: #4285f4; color: white; }
.pixel-type-icon.tiktok { background: #010101; color: white; border: 1px solid var(--border); }
.pixel-type-icon.custom { background: var(--primary-glow); color: var(--primary); }

/* ===== DNS RECORD TYPE ===== */
.dns-type {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  font-family: 'SF Mono', 'Fira Code', monospace;
  background: var(--bg-card-hover);
  color: var(--text);
}

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