/* === Design Tokens === */
:root {
  /* Backgrounds — deep navy spectrum */
  --bg-primary: #0b0d18;
  --bg-surface: #111427;
  --bg-surface-hover: #161a30;
  --bg-elevated: #1a1e35;
  --bg-card: #12152a;
  /* Borders — cool-toned */
  --border: rgba(99, 115, 175, 0.15);
  --border-subtle: rgba(99, 115, 175, 0.08);
  --border-hover: rgba(99, 115, 175, 0.25);
  --border-card: rgba(99, 115, 175, 0.12);
  /* Text */
  --text-primary: #e8eaef;
  --text-body: #a3a8c3;
  --text-secondary: #6b7194;
  --text-mono: #8b90b3;
  /* Status */
  --up: #22c55e;
  --degraded: #eab308;
  --down: #ef4444;
  --pending: #6b7280;
  /* Status text (lighter for badge WCAG) */
  --up-text: #4ade80;
  --degraded-text: #facc15;
  --down-text: #f87171;
  /* Accents — indigo / blue */
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --accent-secondary: #3b82f6;
  /* Badges */
  --badge-up-bg: rgba(34, 197, 94, 0.10);
  --badge-degraded-bg: rgba(234, 179, 8, 0.10);
  --badge-down-bg: rgba(239, 68, 68, 0.10);
  --badge-neutral-bg: rgba(107, 114, 128, 0.10);
  /* Flash messages */
  --flash-notice-bg: rgba(34, 197, 94, 0.10);
  --flash-notice-border: rgba(34, 197, 94, 0.25);
  --flash-alert-bg: rgba(239, 68, 68, 0.10);
  --flash-alert-border: rgba(239, 68, 68, 0.25);
  /* Spacing (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  /* Shadows */
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border-card);
  --shadow-elevated: 0 4px 12px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border-card);
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-body);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.875rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* === Typography === */
h1 { font-size: 1.625rem; font-weight: 700; letter-spacing: -0.03em; color: var(--text-primary); margin: 0 0 var(--space-2); }
h2 { font-size: 1.125rem; font-weight: 600; letter-spacing: -0.015em; color: var(--text-primary); margin: 0 0 var(--space-3); }
h3 { font-size: 0.6875rem; font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 var(--space-2); }

code { font-family: "JetBrains Mono", "SF Mono", "Fira Code", monospace; }
code { background: var(--bg-elevated); color: var(--text-mono); padding: 0.15em 0.4em; border-radius: 4px; font-size: 0.9em; }

/* === Layout: Sidebar + Content === */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 200px;
  background: var(--bg-primary);
  border-right: 1px solid var(--border);
  padding: var(--space-8) 0;
  flex-shrink: 0;
  position: fixed;
  top: 0; bottom: 0; left: 0;
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

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

.content-wrapper { margin-left: 200px; flex: 1; min-width: 0; }

.page-shell {
  padding: var(--space-8) var(--space-8) var(--space-16);
}

.section-header { margin-bottom: var(--space-6); }
.section-header h1 { margin-bottom: var(--space-1); }

/* === Navigation === */
.sidebar-brand {
  padding: 0 var(--space-6) var(--space-8);
}

.sidebar-brand h2 {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex; flex-direction: column;
  gap: 2px;
  padding: 0 var(--space-3);
}

.nav-links h3 {
  padding: var(--space-4) var(--space-3) var(--space-2);
  margin: 0;
  font-size: 0.625rem;
  letter-spacing: 0.1em;
}

.nav-links a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--text-body);
  font-size: 0.8125rem; font-weight: 450;
}

.nav-links a:hover { background: var(--bg-surface-hover); color: var(--text-primary); }

.nav-links a.active {
  background: var(--accent-glow);
  color: var(--accent-hover);
  font-weight: 500;
}

.nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 0.875rem;
  opacity: 0.6;
  flex-shrink: 0;
}

.nav-links a.active .nav-icon { opacity: 1; }

.nav-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.nav-group-label {
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
}

.nav-group.active .nav-group-label {
  color: var(--text-primary);
}

.nav-subgroup {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-subgroup-label {
  padding: 0 var(--space-3);
  color: var(--text-secondary);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links a.nav-child-link {
  margin-left: var(--space-4);
  padding-left: var(--space-4);
}

.nav-user {
  margin-top: auto;
  padding: var(--space-4);
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column;
  gap: var(--space-3);
  font-size: 0.75rem; color: var(--text-secondary);
}

.nav-user div {
  display: flex; flex-direction: column; gap: var(--space-2);
}

.nav-user div > *,
.nav-user div form .link-button { width: 100%; text-align: center; }

.hamburger {
  display: none;
  position: fixed;
  top: var(--space-3); left: var(--space-3);
  z-index: 101;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: var(--space-2);
  cursor: pointer;
  font-size: 1.25rem; line-height: 1;
}

/* === Cards + Counters === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-card);
}

.card h2 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.counter-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.counter-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.counter-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--text-secondary);
  opacity: 0.3;
}

.counter-card.up::before { background: var(--up); opacity: 0.6; }
.counter-card.degraded::before { background: var(--degraded); opacity: 0.6; }
.counter-card.down::before { background: var(--down); opacity: 0.6; }
.counter-card.pending::before { background: var(--pending); opacity: 0.4; }

.counter-card h3 { margin: 0; color: var(--text-secondary); font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500; }

.counter-card p {
  margin: var(--space-3) 0 0;
  font-size: 2rem; font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  line-height: 1;
}

.counter-card.up p { color: var(--up); }
.counter-card.degraded p { color: var(--degraded); }
.counter-card.down p { color: var(--down); }
.counter-card.pending p { color: var(--pending); }

/* === Tables === */
table { width: 100%; border-collapse: collapse; }

th, td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  text-align: left; vertical-align: middle;
}

th { color: var(--text-secondary); font-size: 0.6875rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; padding-top: 0; }
td { font-size: 0.8125rem; color: var(--text-body); }
tbody tr:hover { background-color: rgba(99, 115, 175, 0.05); }
tbody tr:last-child td { border-bottom: none; }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* === Forms === */
.admin-form { display: flex; flex-direction: column; gap: var(--space-3); }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
}

.admin-form label { display: block; font-size: 0.8125rem; color: var(--text-secondary); margin-bottom: var(--space-1); }

.admin-form input,
.admin-form select,
.admin-form textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font: inherit; color: var(--text-primary);
  box-sizing: border-box;
}

.admin-form input:focus,
.admin-form select:focus,
.admin-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25);
}

.admin-form input::placeholder,
.admin-form textarea::placeholder { color: var(--text-secondary); }

.checkbox-row { display: flex; align-items: center; gap: var(--space-2); }
.inline-form { display: flex; align-items: center; gap: var(--space-3); }
.toolbar { display: flex; gap: var(--space-3); align-items: center; margin-bottom: var(--space-3); }

.filter-bar {
  display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center;
  margin-bottom: var(--space-4);
}

.filter-bar input[type="text"],
.filter-bar select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font: inherit; color: var(--text-primary);
  font-size: 0.8125rem;
}

.filter-bar input[type="text"] { min-width: 200px; }
.filter-bar input[type="text"]::placeholder { color: var(--text-secondary); }

.filter-bar input[type="text"]:focus,
.filter-bar select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.25);
}

/* === Badges + Status === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.6875rem; font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-up { background: var(--badge-up-bg); color: var(--up-text); border: 1px solid rgba(34, 197, 94, 0.15); }
.badge-degraded { background: var(--badge-degraded-bg); color: var(--degraded-text); border: 1px solid rgba(234, 179, 8, 0.15); }
.badge-down { background: var(--badge-down-bg); color: var(--down-text); border: 1px solid rgba(239, 68, 68, 0.15); }
.badge-neutral { background: var(--badge-neutral-bg); color: var(--text-secondary); border: 1px solid rgba(107, 114, 128, 0.15); }

.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-dot.up { background: var(--up); box-shadow: 0 0 6px rgba(34, 197, 94, 0.4); }
.status-dot.degraded { background: var(--degraded); box-shadow: 0 0 6px rgba(234, 179, 8, 0.4); }
.status-dot.down { background: var(--down); box-shadow: 0 0 6px rgba(239, 68, 68, 0.4); }

/* === Charts + Visualizations === */
.hero-chart { width: 100%; margin-bottom: var(--space-4); }

.region-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.region-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex; align-items: center; gap: var(--space-3);
  box-shadow: var(--shadow-card);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.region-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-elevated);
}

.region-card .region-name { font-size: 0.8125rem; color: var(--text-body); font-weight: 500; }
.region-card .region-uptime { margin-left: auto; font-size: 1rem; font-weight: 700; color: var(--text-primary); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }

.sparkline { display: inline-block; width: 90px; height: 32px; vertical-align: middle; }

.period-selector {
  display: inline-flex;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
  background: var(--bg-primary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-pill);
  padding: 3px;
}

.period-selector a {
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: 0.75rem; font-weight: 500;
  color: var(--text-secondary);
  transition: all 150ms ease;
}

.period-selector a:hover { color: var(--text-body); background: transparent; }

.period-selector a.active {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 1px 4px rgba(99, 102, 241, 0.3);
}

/* === Flash Messages === */
.flash-stack {
  max-width: 1200px;
  margin: 0 auto var(--space-4);
  padding: 0 var(--space-8);
}

.flash {
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
  background: var(--bg-surface);
  color: var(--text-body);
  border: 1px solid var(--border);
  font-size: 0.8125rem;
}

.flash.notice { background: var(--flash-notice-bg); border-color: var(--flash-notice-border); color: var(--up-text); }
.flash.alert { background: var(--flash-alert-bg); border-color: var(--flash-alert-border); color: var(--down-text); }

/* === Empty States === */
.empty-state {
  display: flex; flex-direction: column; align-items: center;
  padding: var(--space-12) var(--space-4);
  text-align: center; color: var(--text-secondary);
}

.empty-state-title { font-size: 0.875rem; font-weight: 500; margin-bottom: var(--space-2); color: var(--text-body); }
.empty-state-description { font-size: 0.8125rem; opacity: 0.7; max-width: 300px; }

/* === Utilities === */
.muted { color: var(--text-secondary); }
*:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.link-button,
.primary-button {
  border: 0; border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-4);
  cursor: pointer; font: inherit;
  font-size: 0.8125rem; font-weight: 500;
  transition: all 150ms ease;
}

.primary-button {
  background: var(--accent); color: #ffffff;
  box-shadow: 0 1px 4px rgba(99, 102, 241, 0.25);
}
.primary-button:hover {
  background: var(--accent-hover);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

.link-button { background: var(--bg-elevated); color: var(--text-body); border: 1px solid var(--border-card); }
.link-button:hover { background: var(--bg-surface-hover); color: var(--text-primary); border-color: var(--border-hover); }

.login-card {
  max-width: 420px; margin: 0 auto;
  padding: var(--space-10);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-elevated);
}

.auth-layout {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: var(--space-4);
  background: var(--bg-primary);
}

/* === Pagination === */
.pagy-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}

.pagy-nav .page,
.pagy-nav .prev,
.pagy-nav .next {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-body);
  background: var(--bg-elevated);
  border: 1px solid var(--border-card);
  text-decoration: none;
  transition: all 150ms ease;
}

.pagy-nav .page:hover,
.pagy-nav .prev:hover,
.pagy-nav .next:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.pagy-nav .page.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: 0 1px 4px rgba(99, 102, 241, 0.3);
  cursor: default;
}



.pagy-nav .prev.disabled,
.pagy-nav .next.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  background: var(--bg-elevated);
  border-color: var(--border-card);
  color: var(--text-secondary);
}

.pagy-nav .prev,
.pagy-nav .next {
  padding: 0 var(--space-4);
}

.pagy-nav .gap {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  padding: 0 var(--space-2);
}

/* === Transitions === */
a, button, .link-button, .primary-button { transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease; }
tbody tr { transition: background-color 100ms ease; }
.sidebar a { transition: background-color 150ms ease, color 150ms ease; }
.sidebar { transition: transform 200ms ease; }
.sidebar-overlay { transition: opacity 200ms ease; }

.flash { animation: flash-in 200ms ease; }
@keyframes flash-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .map-marker-pulse.down { animation: none; opacity: 0; }
}

/* === World Map === */
.world-map-container { position: relative; }
.world-map { width: 100%; height: auto; display: block; }
.world-map-land { fill: var(--bg-surface); stroke: var(--border-subtle); stroke-width: 0.5; }

.map-marker { cursor: pointer; }
.map-marker-dot { transition: fill 300ms ease; }
.map-marker-dot.up { fill: var(--up); filter: drop-shadow(0 0 4px rgba(34, 197, 94, 0.5)); }
.map-marker-dot.degraded { fill: var(--degraded); filter: drop-shadow(0 0 4px rgba(234, 179, 8, 0.5)); }
.map-marker-dot.down { fill: var(--down); filter: drop-shadow(0 0 4px rgba(239, 68, 68, 0.5)); }
.map-marker-dot.pending { fill: var(--pending); }

.map-marker-pulse { fill: none; opacity: 0; }
.map-marker-pulse.down {
  fill: var(--down);
  animation: map-pulse 2s ease-in-out infinite;
}

@keyframes map-pulse {
  0% { opacity: 0.6; r: 6; }
  100% { opacity: 0; r: 18; }
}

.map-tooltip {
  position: absolute;
  background: var(--bg-elevated);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-elevated);
  pointer-events: none;
  z-index: 10;
  white-space: nowrap;
}
.map-tooltip-name { font-weight: 600; color: var(--text-primary); margin-bottom: var(--space-1); }
.map-tooltip-stats { display: flex; gap: var(--space-3); color: var(--text-secondary); font-size: 0.85rem; }
.map-tooltip-status.up { color: var(--up-text); }
.map-tooltip-status.degraded { color: var(--degraded-text); }
.map-tooltip-status.down { color: var(--down-text); }

/* === Responsive === */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar[data-open] { transform: translateX(0); }
  .sidebar[data-open] ~ .sidebar-overlay { display: block; }
  .hamburger { display: block; }
  .content-wrapper { margin-left: 0; }
  .page-shell { padding: var(--space-4) var(--space-4) var(--space-8); padding-top: calc(var(--space-4) + 44px); }
  .region-cards { grid-template-columns: 1fr; }
  .counter-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
  .counter-grid { grid-template-columns: 1fr; }
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99, 115, 175, 0.2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99, 115, 175, 0.35); }
* { scrollbar-width: thin; scrollbar-color: rgba(99, 115, 175, 0.2) transparent; }