:root {
  /* Linear / Vercel Dark Theme Inspiration */
  --bg-color: #0a0a0a;
  --bg-alpha: rgba(10, 10, 10, 0.7);
  --surface-color: #111111;
  --surface-hover: #1a1a1a;
  --border-color: #222222;
  --border-hover: #333333;
  --text-primary: #ededed;
  --text-secondary: #a1a1aa;
  --text-tertiary: #525252;
  
  --accent-color: #0070f3; /* Vercel blue */
  --accent-glow: rgba(0, 112, 243, 0.15);
  
  --success: #00e599;
  --success-glow: rgba(0, 229, 153, 0.15);
  --warning: #f5a623;
  --warning-glow: rgba(245, 166, 35, 0.15);
  --danger: #ff0000;
  --danger-glow: rgba(255, 0, 0, 0.15);
  --offline: #666666;
  
  --font-family: 'Geist', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme='light'] {
  --bg-color: #fafafa;
  --bg-alpha: rgba(250, 250, 250, 0.7);
  --surface-color: #ffffff;
  --surface-hover: #f5f5f5;
  --border-color: #eaeaea;
  --border-hover: #cccccc;
  --text-primary: #111111;
  --text-secondary: #666666;
  --text-tertiary: #888888;
  
  --accent-color: #0070f3;
  --accent-glow: rgba(0, 112, 243, 0.1);
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.1);
  --warning: #f5a623;
  --warning-glow: rgba(245, 166, 35, 0.1);
  --danger: #e00;
  --danger-glow: rgba(238, 0, 0, 0.1);
  --offline: #999999;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

.glow-bg {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: -1;
  background: radial-gradient(circle at 50% -20%, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
}

.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* TOPBAR */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  background: var(--bg-alpha);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  padding: 0 max(24px, calc((100vw - 1100px) / 2 + 24px));
  box-sizing: border-box;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 32px;
  height: 32px;
  background: #111111;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 16px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

.brand-text {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-wrap {
  display: flex;
  align-items: center;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0 10px;
  height: 32px;
  transition: border-color var(--transition-fast);
}

.search-wrap:focus-within {
  border-color: var(--border-hover);
}

.search-wrap i {
  color: var(--text-secondary);
  font-size: 14px;
  margin-right: 8px;
}

.search-wrap input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  width: 180px;
}

.search-wrap input::placeholder {
  color: var(--text-tertiary);
}

.search-wrap kbd {
  font-family: monospace;
  font-size: 10px;
  color: var(--text-secondary);
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 1px 6px;
  margin-left: 8px;
}

.global-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  padding: 0 12px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--surface-color);
  border: 1px solid var(--border-color);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success-glow);
}

.global-status.degraded .status-dot { background: var(--warning); box-shadow: 0 0 8px var(--warning-glow); }
.global-status.fused .status-dot { background: var(--danger); box-shadow: 0 0 8px var(--danger-glow); }
.global-status.offline .status-dot { background: var(--offline); box-shadow: none; }

.icon-button {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.no-border-icon-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
  margin: 0;
}

.no-border-icon-btn:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
  border-radius: 4px;
}

.icon-button:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.field-label-with-action {
  display: flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
}

.model-refresh-btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.model-refresh-btn[disabled]:hover {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.spin {
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* CONTENT & DASHBOARD */
.content {
  flex: 1;
  padding: 48px 0;
}

.banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--accent-glow);
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
  font-size: 13px;
  font-weight: 500;
}

.banner-track {
  overflow: hidden;
  flex: 1;
  position: relative;
}

.banner-text {
  display: inline-block;
  white-space: nowrap;
}

.banner-text.scrolling {
  animation: marquee 12s linear infinite; /* 12s is default, can be overridden by JS */
  padding-left: 100%;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}

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

.section-title {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 14px;
}

/* BENTO GRID / CARDS */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.bento-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-normal), transform var(--transition-normal);
}

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

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.card-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.card-url-picker {
  display: flex;
  align-items: center;
  font-family: monospace;
  font-size: 12px;
  color: var(--text-tertiary);
}

.card-url-picker select {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: inherit;
  outline: none;
  cursor: pointer;
  margin-right: 4px;
}

.card-url-picker select:hover {
  color: var(--text-primary);
}

.card-status-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-status-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.status-normal .card-status-badge { color: var(--success); }
.status-degraded .card-status-badge { color: var(--warning); }
.status-fused .card-status-badge { color: var(--danger); }
.status-offline .card-status-badge { color: var(--offline); }

.card-uptime-graph {
  display: flex;
  gap: 2px;
  height: 24px;
  margin-bottom: 16px;
  align-items: flex-end;
}

.uptime-bar {
  flex: 1;
  background: var(--border-color);
  border-radius: 2px;
  min-height: 4px;
  transition: opacity var(--transition-fast), height var(--transition-fast);
  cursor: crosshair;
}

.uptime-bar:hover {
  opacity: 0.8;
}

.uptime-bar.normal { background: var(--success); height: 100%; }
.uptime-bar.degraded { background: var(--warning); height: 60%; }
.uptime-bar.fused { background: var(--danger); height: 20%; }
.uptime-bar.offline { background: var(--danger); height: 20%; }

.card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 13px;
  font-family: monospace;
  color: var(--text-primary);
}

.card-error {
  font-size: 12px;
  color: var(--danger);
  background: rgba(255, 0, 0, 0.05);
  border-left: 2px solid var(--danger);
  padding: 8px 12px;
  margin-bottom: 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  word-break: break-all;
}

.card-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.action-link {
  font-size: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast);
}

.action-link:hover {
  color: var(--text-primary);
}

/* SKELETON */
.skeleton {
  height: 240px;
  background: var(--surface-color);
  position: relative;
  overflow: hidden;
}

.skeleton::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* MODAL */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
}

.modal-content {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body {
  padding: 24px;
}

.tab-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.tab-btn.active {
  background: var(--text-primary);
  color: var(--bg-color);
  border-color: var(--text-primary);
}

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

.history-table th, .history-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.history-table th {
  color: var(--text-secondary);
  font-weight: 500;
}

.uptime-7d-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.uptime-day-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.uptime-day-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.uptime-day-bar-wrap {
  width: 8px;
  height: 80px;
  background: var(--border-color);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.uptime-day-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  border-radius: 4px;
}

.uptime-day-rate {
  font-size: 14px;
  font-weight: 600;
  font-family: monospace;
}

.uptime-day-total {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 32px 0;
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* ADMIN PANEL STYLES */
.login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-box {
  width: 100%;
  max-width: 360px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.input-field {
  width: 100%;
  height: 36px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  font-family: inherit;
  font-size: 13px;
  transition: border-color var(--transition-fast);
}

.input-field:focus {
  outline: none;
  border-color: var(--border-hover);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  font-family: inherit;
}

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

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

.btn-secondary {
  background: var(--surface-color);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--surface-hover);
}

.admin-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  border-right: 1px solid var(--border-color);
  background: var(--surface-color);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-header {
  height: 72px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-nav {
  padding: 24px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-item i {
  font-size: 16px;
}

.nav-item:hover, .nav-item.active {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.sidebar-footer {
  padding: 24px 12px;
  border-top: 1px solid var(--border-color);
}

.text-danger {
  color: var(--danger) !important;
}

.text-danger:hover {
  background: var(--danger-glow) !important;
}

.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.admin-header {
  height: 72px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-alpha);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.page-title {
  font-size: 16px;
  font-weight: 600;
}

.admin-content-area {
  padding: 32px;
  flex: 1;
}

.settings-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

.data-table-container {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

.data-table th, .data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: var(--surface-color);
  color: var(--text-secondary);
  font-weight: 500;
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover {
  background: var(--surface-hover);
}

.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-content {
  width: 100%;
  max-width: 500px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.modal-body {
  padding: 24px;
}

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

.error-msg {
  color: var(--danger);
  font-size: 12px;
  margin-top: 8px;
}

.success-msg {
  color: var(--success);
  font-size: 12px;
  margin-top: 8px;
}

@media (max-width: 640px) {
  .search-wrap { display: none; }
  .bento-grid { grid-template-columns: 1fr; }
  .layout { padding: 0 16px; }
  .admin-layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
  .admin-header { padding: 0 16px; }
  .admin-content-area { padding: 16px; }
}