/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Backgrounds */
  --bg: #0b0d13;
  --bg-elevated: #111420;
  --bg-card: #171b26;
  --bg-card-hover: #1c2030;
  --bg-input: #1e2231;
  --bg-input-focus: #242838;

  /* Borders */
  --border: #252a3a;
  --border-hover: #363d52;
  --border-focus: #6366f1;

  /* Text */
  --text: #e8eaf0;
  --text-secondary: #b0b5c5;
  --text-muted: #6b7280;

  /* Brand */
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --primary-glow: rgba(99, 102, 241, 0.25);
  --primary-subtle: rgba(99, 102, 241, 0.08);

  /* Status */
  --danger: #f43f5e;
  --danger-subtle: rgba(244, 63, 94, 0.12);
  --warning: #f59e0b;
  --warning-subtle: rgba(245, 158, 11, 0.12);
  --success: #10b981;
  --success-subtle: rgba(16, 185, 129, 0.12);
  --info: #3b82f6;
  --info-subtle: rgba(59, 130, 246, 0.12);

  /* Layout */
  --sidebar-w: 240px;
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* Base */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--primary-hover); }

/* ============================================
   LOGIN
   ============================================ */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
    var(--bg);
}

.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 380px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: fadeInUp 0.4s ease;
}

.login-box .login-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  background: var(--primary-subtle);
  border-radius: var(--radius-lg);
  color: var(--primary);
}

.login-box h1 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  text-align: center;
  letter-spacing: -0.02em;
}

.login-box .login-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1.75rem;
}

.login-box .error {
  background: var(--danger-subtle);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: var(--danger);
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ============================================
   FORMS
   ============================================ */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: inherit;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 1px 3px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #e11d48; transform: translateY(-1px); }
.btn-danger:active { transform: translateY(0); }

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

.btn-sm { padding: 0.3rem 0.625rem; font-size: 0.8rem; }
.btn-block { width: 100%; justify-content: center; }
.btn .icon { width: 16px; height: 16px; }

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

.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
}

.sidebar-header {
  padding: 1.25rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary-subtle);
  border-radius: var(--radius-sm);
  color: var(--primary);
  flex-shrink: 0;
}

.sidebar-header-text h2 {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.sidebar-header-text span {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar nav {
  flex: 1;
  padding: 0.75rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.6rem 0.75rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 450;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.sidebar nav a .nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: inherit;
  opacity: 0.7;
  flex-shrink: 0;
}

.sidebar nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}
.sidebar nav a:hover .nav-icon { opacity: 1; }

.sidebar nav a.active {
  color: var(--primary);
  background: var(--primary-subtle);
  font-weight: 500;
}
.sidebar nav a.active .nav-icon { opacity: 1; }

.sidebar-clock {
  padding: 0.5rem 0.75rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.sidebar-footer {
  padding: 0.75rem;
  border-top: 1px solid var(--border);
}

.btn-logout {
  width: 100%;
  padding: 0.5rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}
.btn-logout:hover {
  color: var(--danger);
  border-color: rgba(244, 63, 94, 0.3);
  background: var(--danger-subtle);
}

/* Main content */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 2rem 2.5rem;
  animation: fadeIn 0.3s ease;
}

.page-header {
  margin-bottom: 1.75rem;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-header p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.page-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

/* ============================================
   CARDS
   ============================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: all var(--transition-base);
}
.card:hover {
  border-color: var(--border-hover);
}

.card-stat {
  position: relative;
  border-top: 3px solid var(--border);
}
.card-stat.card-total { border-top-color: var(--primary); }
.card-stat.card-error { border-top-color: var(--danger); }
.card-stat.card-fatal { border-top-color: #dc2626; }
.card-stat.card-warn { border-top-color: var(--warning); }
.card-stat.card-info { border-top-color: var(--info); }
.card-stat.card-debug { border-top-color: var(--text-muted); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}
.card-stat.card-total .card-icon { background: var(--primary-subtle); color: var(--primary); }
.card-stat.card-error .card-icon { background: var(--danger-subtle); color: var(--danger); }
.card-stat.card-fatal .card-icon { background: var(--danger-subtle); color: #dc2626; }
.card-stat.card-warn .card-icon { background: var(--warning-subtle); color: var(--warning); }
.card-stat.card-info .card-icon { background: var(--info-subtle); color: var(--info); }
.card-stat.card-debug .card-icon { background: rgba(107, 114, 128, 0.1); color: var(--text-muted); }

.card-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.card-value {
  font-size: 2rem;
  font-weight: 700;
  margin-top: 0.25rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

/* ============================================
   TEXT VIEW (logs plain text)
   ============================================ */
.text-view {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.logs-text-block {
  padding: 1.25rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 70vh;
  overflow-y: auto;
  margin: 0;
  user-select: text;
  cursor: text;
}

/* ============================================
   TABLES
   ============================================ */
.table-wrapper {
  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: 0.75rem 1rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid rgba(37, 42, 58, 0.6);
  font-size: 0.85rem;
}

tr:last-child td { border-bottom: none; }

tr:hover td { background: rgba(255, 255, 255, 0.02); }

td a { transition: color var(--transition-fast); }
td a:hover { color: var(--primary-hover); text-decoration: underline; text-underline-offset: 2px; }

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-error { background: var(--danger-subtle); color: var(--danger); }
.badge-error::before { background: var(--danger); }

.badge-fatal { background: rgba(220, 38, 38, 0.2); color: #fca5a5; }
.badge-fatal::before { background: #fca5a5; }

.badge-warn { background: var(--warning-subtle); color: var(--warning); }
.badge-warn::before { background: var(--warning); }

.badge-info { background: var(--info-subtle); color: var(--info); }
.badge-info::before { background: var(--info); }

.badge-debug { background: rgba(107, 114, 128, 0.12); color: var(--text-muted); }
.badge-debug::before { background: var(--text-muted); }

.badge-success { background: var(--success-subtle); color: var(--success); }
.badge-success::before { background: var(--success); }

/* ============================================
   FILTERS
   ============================================ */
.filters-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filters .form-group { margin-bottom: 0; }

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(37, 42, 58, 0.6);
}

.pagination a {
  color: var(--primary);
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.pagination a:hover {
  background: var(--primary-subtle);
}
.pagination div { display: flex; gap: 0.5rem; }

/* ============================================
   LOG DETAIL
   ============================================ */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.detail-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.detail-item .label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
  margin-bottom: 0.375rem;
}

.detail-item .value {
  font-size: 0.9rem;
  word-break: break-all;
  color: var(--text);
}

.detail-item .value.mono {
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8rem;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title.danger { color: var(--danger); }

.stack-trace {
  background: var(--bg-input);
  border: 1px solid rgba(244, 63, 94, 0.2);
  border-radius: var(--radius);
  padding: 1.25rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-all;
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
  color: var(--danger);
}

.context-json {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 400px;
  overflow-y: auto;
  color: var(--text-secondary);
}

/* ============================================
   KEY DISPLAY
   ============================================ */
.key-display {
  background: var(--bg-input);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  word-break: break-all;
  color: var(--success);
}

.new-key-alert {
  background: var(--success-subtle);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.new-key-alert strong {
  color: var(--success);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.new-key-alert p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* ============================================
   CHARTS (Chart.js)
   ============================================ */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.chart-container {
  position: relative;
  height: 280px;
}

/* ============================================
   STATS - BAR CHARTS
   ============================================ */
.stat-bars { margin-top: 0.75rem; }

.stat-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.stat-bar-label {
  width: 90px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: right;
  flex-shrink: 0;
}

.stat-bar-track {
  flex: 1;
  height: 24px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.stat-bar-fill {
  height: 100%;
  border-radius: var(--radius-sm);
  animation: growWidth 0.6s ease forwards;
  position: relative;
}

.stat-bar-value {
  width: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  flex-shrink: 0;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty .empty-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 0.75rem;
  background: rgba(107, 114, 128, 0.1);
  border-radius: 50%;
  color: var(--text-muted);
}

/* ============================================
   SECTION HEADERS (inside main)
   ============================================ */
.section-header {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes growWidth {
  from { width: 0; }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 1rem; }
  .detail-grid { grid-template-columns: 1fr; }
  .charts-grid { grid-template-columns: 1fr; }
  .filters { flex-direction: column; }
  .page-header-row { flex-direction: column; gap: 0.75rem; }
}