/* General Styles */
:root {
  --bg-primary: #0a0b10;
  --bg-surface: rgba(20, 22, 33, 0.65);
  --border-color: rgba(255, 255, 255, 0.08);
  --color-text: #e2e8f0;
  --color-muted: #94a3b8;
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.15);
  --color-error: #ef4444;
  --color-error-bg: rgba(239, 68, 68, 0.15);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.15);
  --font-family: 'Outfit', sans-serif;
  --transition-speed: 0.3s;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--color-text);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  padding-bottom: 40px;
}

/* Background gradient blobs */
.glass-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background: 
    radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(239, 68, 68, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Typography & Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* ============================================================
   Header / Navbar
   ============================================================ */
.app-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  margin-bottom: 24px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.25);
  position: sticky;
  top: 12px;
  z-index: 100;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon { font-size: 26px; }

.logo-area h1 {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, var(--color-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

/* --- Center Nav Links --- */
.header-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-muted);
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover {
  background: rgba(255,255,255,0.07);
  color: var(--color-text);
}

.nav-link.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-primary);
  border: 1px solid rgba(99, 102, 241, 0.25);
}

.nav-icon { font-size: 14px; }

/* --- Right Controls --- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Icon-only round button (theme toggle) */
.btn-icon-round {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  color: var(--color-text);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s ease;
  padding: 0;
  font-family: var(--font-family);
}

.btn-icon-round:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
}

/* Upgrade pill button */
.btn-upgrade {
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: #818cf8;
  font-family: var(--font-family);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 9999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  animation: pulse-glow 2.5s ease-in-out infinite;
}

.btn-upgrade:hover {
  background: rgba(99, 102, 241, 0.25);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.4);
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0px rgba(99,102,241,0.2); }
  50%       { box-shadow: 0 0 12px rgba(99,102,241,0.5); }
}

/* --- User Menu & Dropdown --- */
.user-menu {
  position: relative;
}

.user-avatar-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 6px;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  background: rgba(255,255,255,0.05);
  cursor: pointer;
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.user-avatar-btn:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
}

.user-avatar-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), #8b5cf6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.user-avatar-email {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dropdown-caret {
  font-size: 10px;
  color: var(--color-muted);
  transition: transform 0.2s ease;
}

.user-avatar-btn[aria-expanded="true"] .dropdown-caret {
  transform: rotate(180deg);
}

/* Dropdown panel */
.user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 220px;
  background: rgba(15, 17, 28, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
  padding: 8px;
  z-index: 200;
  animation: dropdown-in 0.15s ease;
}

.user-dropdown.open { display: block; }

@keyframes dropdown-in {
  from { opacity: 0; transform: translateY(-6px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.dropdown-header {
  padding: 10px 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dropdown-email {
  font-size: 12px;
  color: var(--color-muted);
  word-break: break-all;
}

.dropdown-tier-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 9999px;
  background: rgba(99,102,241,0.15);
  color: #818cf8;
  border: 1px solid rgba(99,102,241,0.3);
  align-self: flex-start;
}

.dropdown-tier-badge.free {
  background: rgba(255,255,255,0.05);
  color: var(--color-muted);
  border-color: var(--border-color);
}

.dropdown-divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 4px 4px;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease;
  text-align: left;
}

.dropdown-item:hover {
  background: rgba(255,255,255,0.07);
}

.dropdown-item-danger {
  color: var(--color-error);
}

.dropdown-item-danger:hover {
  background: var(--color-error-bg);
}

/* Status badge (Active / Public etc.) */
.badge {
  background: var(--color-success-bg);
  color: var(--color-success);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 9999px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Buttons */
.btn {
  font-family: var(--font-family);
  font-weight: 500;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-speed) ease;
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: var(--color-error-bg);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--color-error);
}

.btn-danger:hover {
  background: var(--color-error);
  color: white;
}

.btn-icon {
  background: transparent;
  border: none;
  font-size: 16px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-speed);
}

.btn-icon:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

/* Stats Summary */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.stat-info h3 {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.stat-val {
  font-size: 32px;
  font-weight: 700;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.bg-blue { background: rgba(99, 102, 241, 0.15); }
.bg-green { background: rgba(16, 185, 129, 0.15); }
.bg-red { background: rgba(239, 68, 68, 0.15); }

.text-green { color: var(--color-success); }
.text-red { color: var(--color-error); }

/* Main Card */
.card {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
  font-size: 20px;
  font-weight: 600;
}

/* Monitors List */
.monitors-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.loading-state, .empty-state {
  text-align: center;
  padding: 48px 0;
  color: var(--color-muted);
}

/* Monitor Row Card */
.monitor-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px 20px;
  display: grid;
  grid-template-columns: auto 2fr 1fr 1.5fr auto;
  align-items: center;
  gap: 20px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.monitor-item:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
}

/* Status Indicator Dot with Pulse */
.status-dot-container {
  position: relative;
  width: 24px;
  height: 24px;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  position: absolute;
  top: 6px;
  left: 6px;
}

.status-dot.up {
  background-color: var(--color-success);
  box-shadow: 0 0 10px var(--color-success);
}
.status-dot.down {
  background-color: var(--color-error);
  box-shadow: 0 0 10px var(--color-error);
}
.status-dot.pending {
  background-color: var(--color-warning);
  box-shadow: 0 0 10px var(--color-warning);
}

.status-pulse {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0.3;
  animation: pulse-ring 1.8s cubic-bezier(0.215, 0.610, 0.355, 1) infinite;
}

.status-pulse.up { background-color: var(--color-success); }
.status-pulse.down { background-color: var(--color-error); }
.status-pulse.pending { background-color: var(--color-warning); }

@keyframes pulse-ring {
  0% { transform: scale(0.4); opacity: 0.8; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* Monitor Info */
.monitor-info h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.monitor-info .url {
  font-size: 12px;
  color: var(--color-muted);
  word-break: break-all;
  display: block;
}

.monitor-perf {
  text-align: right;
}

.monitor-perf .resp-time {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 2px;
}

.monitor-perf .uptime-pct {
  font-size: 12px;
  color: var(--color-success);
  font-weight: 600;
}

/* Uptime History Bar */
.uptime-history {
  display: flex;
  gap: 3px;
  align-items: center;
}

.history-tick {
  width: 5px;
  height: 24px;
  border-radius: 3px;
  transition: transform 0.1s ease;
}

.history-tick:hover {
  transform: scaleY(1.3);
}

.tick-up { background-color: var(--color-success); opacity: 0.85; }
.tick-down { background-color: var(--color-error); opacity: 0.85; }
.tick-empty { background-color: rgba(255, 255, 255, 0.1); }

/* Item Actions */
.item-actions {
  display: flex;
  gap: 8px;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  padding: 16px;
}

.modal.active {
  display: flex;
}

.modal-content {
  width: 100%;
  max-width: 500px;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: rgba(20, 22, 33, 0.95);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  animation: slide-up 0.25s ease-out;
}

.modal-content.wide-modal {
  max-width: 700px;
}

@keyframes slide-up {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.close-modal {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--color-muted);
  cursor: pointer;
}

.close-modal:hover {
  color: white;
}

/* Form Styles */
#settings-form, #monitor-form {
  padding: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.form-group input, .form-group select {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  color: white;
  font-family: var(--font-family);
  font-size: 14px;
  transition: border-color var(--transition-speed), background-color var(--transition-speed);
}

.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.08);
}

.form-group small {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--color-muted);
}

.form-group small a {
  color: var(--color-primary);
  text-decoration: none;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
}

.form-row .flex-2 {
  grid-column: span 2;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 12px;
}

/* Toggle Switch */
.toggle-container {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.02);
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.15);
  transition: .4s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--color-success);
}

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

.toggle-label {
  font-size: 14px;
  font-weight: 500;
}

/* Tabs */
.tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.03);
  padding: 4px;
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  padding: 12px 0;
  color: var(--color-muted);
  font-family: var(--font-family);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.tab-btn:hover {
  color: white;
}

.tab-btn.active {
  color: white;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.tab-pane {
  display: none;
}

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

#btn-test-telegram, #btn-test-email {
  margin-top: 12px;
  width: 100%;
  justify-content: center;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: rgba(20, 22, 33, 0.95);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  font-size: 14px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.toast-success {
  border-left: 4px solid var(--color-success);
}

.toast.toast-error {
  border-left: 4px solid var(--color-error);
}

/* Details Modal Specifics */
.detail-body {
  padding: 24px;
}

.detail-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: 12px;
}

.detail-info-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-info-block strong {
  font-size: 12px;
  color: var(--color-muted);
}

.detail-info-block span {
  font-size: 14px;
  font-weight: 500;
  word-break: break-all;
}

.logs-section h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
}

.table-container {
  max-height: 250px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

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

.logs-table th, .logs-table td {
  padding: 10px 14px;
  text-align: left;
}

.logs-table th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-muted);
  font-weight: 500;
  position: sticky;
  top: 0;
  z-index: 10;
}

.logs-table tr {
  border-bottom: 1px solid var(--border-color);
}

.logs-table tr:last-child {
  border-bottom: none;
}

.logs-table td code {
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Responsiveness */
@media(max-width: 768px) {
  .monitor-item {
    grid-template-columns: auto 1fr;
    gap: 12px;
  }
  .monitor-perf {
    text-align: left;
    grid-column: span 2;
  }
  .uptime-history {
    grid-column: span 2;
  }
  .item-actions {
    grid-column: span 2;
    justify-content: flex-end;
  }
}

/* Light Theme Override */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: rgba(255, 255, 255, 0.75);
  --border-color: rgba(0, 0, 0, 0.08);
  --color-text: #0f172a;
  --color-muted: #64748b;
  --color-primary: #4f46e5;
  --color-primary-hover: #3730a3;
  --color-success: #059669;
  --color-success-bg: rgba(5, 150, 105, 0.12);
  --color-error: #dc2626;
  --color-error-bg: rgba(220, 38, 38, 0.12);
  --color-warning: #d97706;
  --color-warning-bg: rgba(217, 119, 6, 0.12);
}

[data-theme="light"] .modal-content {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .close-modal:hover {
  color: var(--color-text);
}

[data-theme="light"] .logo-area h1 {
  background: linear-gradient(135deg, #0f172a 0%, var(--color-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .tick-empty {
  background-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .btn-secondary {
  background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .btn-secondary:hover {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .btn-icon:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .form-group input, 
[data-theme="light"] .form-group select {
  color: var(--color-text);
  background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .form-group input:focus, 
[data-theme="light"] .form-group select:focus {
  background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .toggle-container {
  background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .slider {
  background-color: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .slider:before {
  background-color: white;
}

[data-theme="light"] .tabs {
  background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .tab-btn:hover {
  color: var(--color-text);
}

[data-theme="light"] .tab-btn.active {
  color: var(--color-text);
  background: rgba(0, 0, 0, 0.05);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .toast {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  color: var(--color-text);
}

[data-theme="light"] .detail-overview {
  background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .logs-table th {
  background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .logs-table td code {
  background: rgba(0, 0, 0, 0.04);
  color: var(--color-text);
}

/* Light Theme tweaks for inline styles */
[data-theme="light"] div[style*="background: rgba(255,255,255,0.02)"],
[data-theme="light"] div[style*="background: rgba(255, 255, 255, 0.02)"] {
  background: rgba(0, 0, 0, 0.02) !important;
}

[data-theme="light"] div[style*="background: rgba(255,255,255,0.01)"],
[data-theme="light"] div[style*="background: rgba(255, 255, 255, 0.01)"] {
  background: rgba(0, 0, 0, 0.01) !important;
}

/* ============================================================
   Responsive Header
   ============================================================ */
@media (max-width: 900px) {
  .app-header {
    grid-template-columns: auto auto;
    grid-template-rows: auto auto;
    padding: 10px 16px;
    gap: 10px;
    position: static;
  }

  .header-nav {
    grid-column: 1 / -1;
    order: 3;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
    gap: 2px;
    scrollbar-width: none;
  }

  .header-nav::-webkit-scrollbar { display: none; }

  .nav-link {
    padding: 6px 10px;
    font-size: 12px;
    flex-shrink: 0;
  }

  .header-actions {
    justify-content: flex-end;
  }

  .logo-area h1 { font-size: 17px; }
}

@media (max-width: 600px) {
  .header-nav { display: none; }
  .app-header {
    grid-template-columns: auto auto;
    grid-template-rows: auto;
  }
  .user-avatar-email { display: none; }
  .btn-add-monitor-text { display: none; }
}

/* ============================================================
   Hamburger Button
   ============================================================ */
.hamburger-btn {
  display: none; /* hidden on desktop */
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hamburger-icon {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 20px;
}

.hamburger-icon span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--color-text);
  transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
  transform-origin: center;
}

/* X animation when open */
.hamburger-btn.is-open .hamburger-icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.is-open .hamburger-icon span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger-btn.is-open .hamburger-icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   Mobile Drawer Overlay
   ============================================================ */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  z-index: 300;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-overlay.active {
  display: block;
  opacity: 1;
}

/* ============================================================
   Mobile Drawer Panel
   ============================================================ */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100dvh;
  width: min(320px, 85vw);
  background: rgba(10, 11, 18, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid var(--border-color);
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 0;
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

/* User info strip */
.drawer-user-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.drawer-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.drawer-user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.drawer-username {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.drawer-usertier {
  font-size: 11px;
  font-weight: 600;
  color: #818cf8;
}

/* Nav links inside drawer */
.drawer-nav {
  display: flex;
  flex-direction: column;
  padding: 10px 10px 0;
  gap: 2px;
}

.drawer-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  text-decoration: none;
  transition: all 0.18s ease;
  background: transparent;
  font-family: var(--font-family);
}

.drawer-nav-link:hover,
.drawer-nav-link:focus {
  background: rgba(255,255,255,0.06);
  color: var(--color-text);
}

.drawer-nav-link.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-primary);
}

.drawer-logout {
  color: var(--color-error) !important;
}

.drawer-logout:hover {
  background: var(--color-error-bg) !important;
}

.drawer-divider {
  height: 1px;
  background: var(--border-color);
  margin: 10px 18px;
  flex-shrink: 0;
}

/* Actions at bottom of drawer */
.drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 10px 10px;
}

.drawer-upgrade-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.12);
  color: #818cf8;
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.drawer-upgrade-btn:hover {
  background: rgba(99, 102, 241, 0.25);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.35);
}

/* ============================================================
   Show hamburger on mobile, hide desktop-only elements
   ============================================================ */
@media (max-width: 768px) {
  .hamburger-btn { display: inline-flex; }

  /* Hide desktop nav and user menu in header on mobile */
  .header-nav  { display: none !important; }
  .user-menu   { display: none !important; }
  .btn-upgrade { display: none !important; }

  /* Keep add-monitor and theme-toggle but hide sign-in (it's in drawer) */
  #btn-login-trigger { display: none !important; }

  /* Single-column header grid */
  .app-header {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto;
  }
}