/* Family OS — styles. Modular: each section is independently styled. */

:root {
  --color-bg: #fafaf9;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-subtle: #a0a0a0;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-warning: #d97706;
  --color-danger: #dc2626;
  --color-success: #059669;
  --color-border: #e5e5e5;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

/* Header */
.header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
  margin-bottom: 24px;
  position: relative;
}

.header h1 {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 700;
}

.subtitle {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.header-actions {
  position: absolute;
  top: 0;
  right: 0;
}

.btn-secondary, .btn-primary {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
  text-decoration: none;
  display: inline-block;
}

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

/* Layer tabs */
.layer-nav {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  background: var(--color-surface);
  padding: 4px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  width: fit-content;
}

.layer-tab {
  border: none;
  background: transparent;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--color-muted);
  font-weight: 500;
  transition: all 0.15s;
}

.layer-tab:hover { color: var(--color-text); }
.layer-tab.active {
  background: var(--color-accent);
  color: white;
}

/* Tile grid */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 160px;
  text-align: left;
  text-decoration: none;
  color: inherit;
  font-family: inherit;
}

.tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.tile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.tile-icon {
  font-size: 1.5rem;
}

.tile-layer-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 12px;
  background: var(--color-bg);
  color: var(--color-muted);
}

.tile-layer-badge.daily { background: #ecfdf5; color: #065f46; }
.tile-layer-badge.event { background: #eff6ff; color: #1e40af; }
.tile-layer-badge.catastrophe { background: #fef2f2; color: #991b1b; }

.tile-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.tile-summary {
  flex: 1;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.tile-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-subtle);
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.tile-meta-status.fresh { color: var(--color-success); }
.tile-meta-status.stale { color: var(--color-warning); }
.tile-meta-status.missing { color: var(--color-danger); }

.tile-loading, .tile-error {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  color: var(--color-muted);
  text-align: center;
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Search */
.search-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 32px;
}

#search-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
}

#search-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

#search-results {
  margin-top: 12px;
}

.search-result {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.search-result:hover { background: var(--color-bg); }

/* Footer */
.footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.85rem;
}

.footer p { margin: 4px 0; }
.footer .disclaimer { color: var(--color-subtle); font-size: 0.8rem; }

/* Modal */
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal.hidden { display: none; }

.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 720px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  border: none;
  background: transparent;
  font-size: 2rem;
  cursor: pointer;
  color: var(--color-muted);
  line-height: 1;
}

.modal-close:hover { color: var(--color-text); }

#modal-title { margin: 0 0 4px; }
.modal-meta { margin: 0 0 16px; color: var(--color-muted); font-size: 0.9rem; }
.modal-body { margin-bottom: 24px; }

/* Mobile */
@media (max-width: 600px) {
  .app { padding: 16px 12px 60px; }
  .header h1 { font-size: 1.5rem; }
  .header-actions { position: static; margin-top: 8px; }
  .tile-grid { grid-template-columns: 1fr; gap: 12px; }
  .tile { min-height: 120px; padding: 16px; }
  .layer-nav { width: 100%; justify-content: space-around; }
  .layer-tab { flex: 1; padding: 8px 4px; font-size: 0.85rem; }
}