/* ==================== */
/* CSS Reset & Variables */
/* ==================== */

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

:root {
  /* Colors - Neutral Dark Theme */
  --bg-primary: #0b0f14;
  --bg-secondary: #111827;
  --bg-card: #111827;
  --border-color: #1f2937;

  /* Accent Colors */
  --accent-blue: #2563eb;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-yellow: #f59e0b;

  /* Text */
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 14px;
  --spacing-md: 20px;
  --spacing-lg: 28px;
  --spacing-xl: 36px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

/* ==================== */
/* Base Styles */
/* ==================== */

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ==================== */
/* Header */
/* ==================== */

.header {
  background: var(--bg-primary);
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-xl);
}

.header__title {
  font-size: 30px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  margin-bottom: var(--spacing-xs);
}

.header__subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
}

.demo-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: #fbbf24;
}

/* ==================== */
/* Summary Cards */
/* ==================== */

.summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.summary__card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: calc(var(--spacing-lg) + 2px);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: border-color 0.2s ease;
}

.summary__card:hover {
  border-color: #374151;
}

.summary__icon {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--text-secondary);
  min-width: 44px;
  text-transform: uppercase;
}

.summary__content {
  flex: 1;
}

.summary__label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 4px;
}

.summary__value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.summary__value--status {
  font-size: 18px;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  display: inline-block;
  background: var(--accent-green);
  color: white;
}

.summary__value--status[data-status="RETRYING"] {
  background: var(--accent-yellow);
}

.summary__value--status[data-status="ERROR"] {
  background: var(--accent-red);
}

.summary__unit {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ==================== */
/* Charts Section */
/* ==================== */

.charts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

@media (max-width: 1024px) {
  .charts {
    grid-template-columns: 1fr;
  }
}

/* ==================== */
/* Card Component */
/* ==================== */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: #374151;
}

.card__header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card__title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--text-primary);
}

.card__tabs {
  display: flex;
  gap: var(--spacing-xs);
}

.tab {
  padding: 8px 15px;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.95) 0%, rgba(11, 15, 20, 0.95) 100%);
  border: 1px solid #2a374b;
  border-radius: 999px;
  color: #a8b3c7;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.tab:hover {
  border-color: var(--accent-blue);
  color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(2, 6, 23, 0.35);
}

.tab--active {
  background: linear-gradient(145deg, #2f6df5 0%, #1d4ed8 100%);
  border-color: #3b82f6;
  color: #eff6ff;
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.35);
}

.card__body {
  padding: var(--spacing-lg);
}

.card__body canvas {
  width: 100% !important;
  height: 300px !important;
}

/* ==================== */
/* Controls */
/* ==================== */

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.btn {
  position: relative;
  padding: 22px 28px;
  border: 1px solid #29364a;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: inherit;
  color: #f8fafc;
  box-shadow: 0 10px 20px rgba(2, 6, 23, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  min-height: 116px;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0) 38%);
  opacity: 0.9;
  pointer-events: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(2, 6, 23, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.btn:focus-visible {
  outline: 2px solid #93c5fd;
  outline-offset: 2px;
}

.btn__icon {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(15, 23, 42, 0.22);
}

.btn__text {
  letter-spacing: 0.4px;
}

.btn__tooltip {
  font-size: 11px;
  font-weight: 500;
  color: rgba(226, 232, 240, 0.88);
  text-align: center;
  line-height: 1.35;
  max-width: 230px;
}

.btn--primary {
  background: linear-gradient(145deg, #2f6df5 0%, #1d4ed8 100%);
  border-color: #3b82f6;
}

.btn--primary:hover {
  filter: brightness(1.05);
}

.btn--warning {
  background: linear-gradient(145deg, #f59e0b 0%, #d97706 100%);
  border-color: #f59e0b;
}

.btn--warning:hover {
  filter: brightness(1.04);
}

.btn--warning.btn--active {
  background: linear-gradient(145deg, #10b981 0%, #059669 100%);
  border-color: #10b981;
}

.btn--warning.btn--active:hover {
  filter: brightness(1.05);
}

.btn--secondary {
  background: linear-gradient(145deg, #15936b 0%, #0f766e 100%);
  border-color: #22c55e;
}

.btn--secondary:hover {
  filter: brightness(1.05);
}

.btn--secondary.btn--active {
  background: linear-gradient(145deg, #2563eb 0%, #1e40af 100%);
  border-color: #60a5fa;
}

.btn--tertiary {
  background: linear-gradient(145deg, #334155 0%, #1f2937 100%);
  border-color: #475569;
}

.btn--tertiary:hover {
  filter: brightness(1.06);
}

.btn--small {
  min-height: unset;
  padding: 7px 13px;
  display: inline-flex;
  flex-direction: row;
  gap: 0;
  font-size: 13px;
  font-weight: 600;
  background: linear-gradient(145deg, #1f2937 0%, #111827 100%);
  color: #cbd5e1;
  border-color: #334155;
  border-radius: var(--radius-sm);
  box-shadow: none;
}

.btn--small::before {
  display: none;
}

.btn--small:hover {
  background: linear-gradient(145deg, #334155 0%, #1f2937 100%);
  color: #f1f5f9;
}

.btn:active {
  transform: translateY(0);
  filter: brightness(0.96);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none;
}

/* ==================== */
/* History Table */
/* ==================== */

.history {
  margin-bottom: var(--spacing-xl);
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.table-container {
  max-height: 400px;
  overflow-y: auto;
}

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

.table thead th {
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
}

.table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background 0.2s ease;
}

.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.table tbody td {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
}

.table__empty {
  text-align: center !important;
  color: var(--text-muted);
  padding: var(--spacing-xl) !important;
}

/* ==================== */
/* Event Feed */
/* ==================== */

.feed {
  max-height: 400px;
  overflow-y: auto;
  background: #0f1622;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.feed__empty {
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

.feed__event {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 13px;
  transition: background 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.feed__event:hover {
  background: rgba(255, 255, 255, 0.02);
}

.feed__event:last-child {
  border-bottom: none;
}

.feed__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.feed__dot--info {
  background: var(--accent-green);
}

.feed__dot--warning {
  background: var(--accent-yellow);
}

.feed__dot--error {
  background: var(--accent-red);
}

.feed__metric {
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  min-width: 70px;
}

.feed__value {
  font-weight: 700;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 2px 8px;
  border-radius: 4px;
  min-width: 50px;
  text-align: center;
}

.feed__server {
  color: var(--text-muted);
  font-size: 12px;
}

.feed__time {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 12px;
  white-space: nowrap;
}

/* ==================== */
/* Scrollbar Styling */
/* ==================== */

.table-container::-webkit-scrollbar,
.feed::-webkit-scrollbar {
  width: 8px;
}

.table-container::-webkit-scrollbar-track,
.feed::-webkit-scrollbar-track {
  background: #0f1622;
  border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb,
.feed::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb:hover,
.feed::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* ==================== */
/* Mobile Responsiveness */
/* ==================== */

@media (max-width: 768px) {
  .summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .charts {
    grid-template-columns: 1fr;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .header__title {
    font-size: 24px;
  }

  .header__subtitle {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .summary {
    grid-template-columns: 1fr;
  }

  .summary__card {
    padding: var(--spacing-md);
  }

  .summary__icon {
    font-size: 28px;
  }

  .summary__value {
    font-size: 24px;
  }
}