/* GeoSpark UI — Design System */

:root {
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-nav: #1a1d23;
  --color-nav-text: #e1e4e8;
  --color-primary: #2d9c6f;
  --color-primary-hover: #248a5f;
  --color-primary-light: #e6f7ef;
  --color-accent: #3b82f6;
  --color-accent-light: #eff6ff;
  --color-text: #24292e;
  --color-text-secondary: #586069;
  --color-border: #e1e4e8;
  --color-error: #d73a49;
  --color-error-light: #ffeef0;
  --color-warn: #e36209;
  --color-success: #2d9c6f;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}

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

/* Navigation */
.nav {
  background: var(--color-nav);
  color: var(--color-nav-text);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.nav-brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-right: 2rem;
  letter-spacing: -0.5px;
}

.nav-links { display: flex; gap: 0.25rem; }

.nav-links a {
  color: var(--color-nav-text);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  background: rgba(255,255,255,0.1);
  text-decoration: none;
}

.nav-links a.active { color: #fff; }

.nav-version {
  margin-left: auto;
  font-size: 0.75rem;
  color: #586069;
  font-family: var(--font-mono);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.page-header p {
  color: var(--color-text-secondary);
  font-size: 1rem;
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.card:hover { box-shadow: var(--shadow-md); }

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.card-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.card-icon.geo { background: var(--color-primary-light); }
.card-icon.data { background: var(--color-accent-light); }
.card-icon.agent { background: #fef3c7; }
.card-icon.status { background: #f3e8ff; }

/* Grid */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.35rem;
}

input, select, textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  background: #fff;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 156, 111, 0.15);
}

textarea { resize: vertical; min-height: 80px; font-family: var(--font-mono); font-size: 0.85rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border: none;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn-primary:hover { background: var(--color-primary-hover); }
.btn-primary:disabled { background: #94d3b8; cursor: not-allowed; }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; }

/* Results */
.result-box {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow-y: auto;
}

.result-box.error {
  background: var(--color-error-light);
  border-color: var(--color-error);
  color: var(--color-error);
}

.result-box.success {
  border-color: var(--color-success);
}

/* Result cards */
.result-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-top: 0.75rem;
}

.result-card .metric {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  border-bottom: 1px solid #f0f0f0;
  font-size: 0.9rem;
}

.result-card .metric:last-child { border-bottom: none; }

.result-card .metric .label {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.result-card .metric .value {
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* Map container */
.map-container {
  height: 300px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-top: 1rem;
  overflow: hidden;
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-ok { background: var(--color-primary-light); color: var(--color-primary); }
.badge-warn { background: #fff3cd; color: var(--color-warn); }
.badge-error { background: var(--color-error-light); color: var(--color-error); }
.badge-info { background: var(--color-accent-light); color: var(--color-accent); }

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.loading-overlay {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* Hero (landing page) */
.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, #1a1d23 0%, #2d3748 100%);
  color: #fff;
  margin: -2rem -2rem 2rem -2rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -1px;
}

.hero .subtitle {
  font-size: 1.15rem;
  color: #a0aec0;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.hero .cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero .btn-primary {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
}

.hero .btn-ghost {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.hero .btn-ghost:hover { background: rgba(255,255,255,0.1); }

/* Stat row */
.stat-row {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.stat {
  text-align: center;
}

.stat .number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
}

.stat .label {
  font-size: 0.8rem;
  color: #a0aec0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Table */
.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 2px solid var(--color-border);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
}

td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid #f0f0f0;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.tab {
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-sans);
}

.tab:hover { color: var(--color-text); }
.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

/* Collapsible JSON */
.json-toggle {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.json-toggle:hover { color: var(--color-text); }

/* Responsive */
@media (max-width: 768px) {
  .container { padding: 1rem; }
  .nav { padding: 0 1rem; }
  .nav-links a { padding: 0.4rem 0.5rem; font-size: 0.8rem; }
  .hero h1 { font-size: 1.75rem; }
  .hero { padding: 2.5rem 1rem; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .stat-row { gap: 1rem; }
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 1.75rem;
  margin-top: 1rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-step {
  position: relative;
  padding: 0.5rem 0 0.5rem 1rem;
  margin-bottom: 0.25rem;
}

.timeline-step::before {
  content: '';
  position: absolute;
  left: -1.25rem;
  top: 0.85rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-surface);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-step.error::before {
  background: var(--color-error);
  box-shadow: 0 0 0 2px var(--color-error);
}

.timeline-step .step-action {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
}

.timeline-step .step-desc {
  font-size: 0.9rem;
  margin-top: 0.15rem;
}

.timeline-step .step-time {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}

/* Presets */
.presets {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

/* ===== DARK THEME (shared across all pages) ===== */
body.dark {
  background: #080b12;
  color: #e2e8f0;
}

body.dark .nav {
  background: rgba(8,11,18,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: none;
}

body.dark .card {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.06);
}

body.dark .card:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(45,156,111,0.2);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

body.dark .card-header h3 { color: #e2e8f0; }

body.dark .page-header h1 { color: #e2e8f0; }
body.dark .page-header p { color: #64748b; }

body.dark .text-muted { color: #64748b; }

body.dark input, body.dark select, body.dark textarea {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
  color: #e2e8f0;
}

body.dark input:focus, body.dark select:focus, body.dark textarea:focus {
  border-color: rgba(45,156,111,0.5);
  box-shadow: 0 0 0 3px rgba(45,156,111,0.15);
}

body.dark input::placeholder { color: #475569; }

body.dark .result-box {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.06);
  color: #94a3b8;
}

body.dark .result-box.error {
  background: rgba(215,58,73,0.1);
  border-color: rgba(215,58,73,0.3);
  color: #f87171;
}

body.dark .result-card {
  background: rgba(255,255,255,0.02);
  border-color: rgba(255,255,255,0.06);
}

body.dark .result-card .metric { border-bottom-color: rgba(255,255,255,0.04); }
body.dark .result-card .metric .label { color: #64748b; }
body.dark .result-card .metric .value { color: #e2e8f0; }

body.dark .btn-secondary {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
  color: #94a3b8;
}

body.dark .btn-secondary:hover {
  background: rgba(45,156,111,0.1);
  border-color: rgba(45,156,111,0.3);
  color: #e2e8f0;
}

body.dark .tabs { border-bottom-color: rgba(255,255,255,0.06); }
body.dark .tab { color: #64748b; }
body.dark .tab:hover { color: #94a3b8; }
body.dark .tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

body.dark table th { color: #64748b; border-bottom-color: rgba(255,255,255,0.08); }
body.dark table td { border-bottom-color: rgba(255,255,255,0.04); color: #94a3b8; }

body.dark .badge-ok { background: rgba(45,156,111,0.15); }
body.dark .badge-warn { background: rgba(227,98,9,0.15); }
body.dark .badge-error { background: rgba(215,58,73,0.15); }
body.dark .badge-info { background: rgba(59,130,246,0.15); }

body.dark .map-container { border-color: rgba(255,255,255,0.08); }

body.dark .json-toggle { color: #475569; }
body.dark .json-toggle:hover { color: #94a3b8; }

body.dark .timeline::before { background: rgba(255,255,255,0.08); }
body.dark .timeline-step::before { border-color: #080b12; }
body.dark .timeline-step .step-desc { color: #94a3b8; }

body.dark .loading-overlay { color: #64748b; }
body.dark .spinner { border-color: rgba(255,255,255,0.1); border-top-color: var(--color-primary); }

/* Utility */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.text-sm { font-size: 0.85rem; }
.text-muted { color: var(--color-text-secondary); }
.mono { font-family: var(--font-mono); }
.hidden { display: none !important; }
.flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.items-center { align-items: center; }