/* Vista Verde Q&A — public/styles.css */
/* No framework, no CDN, no build step. */

:root {
  --color-bg: #fafaf9;
  --color-surface: #ffffff;
  --color-text: #1c1917;
  --color-text-muted: #57534e;
  --color-border: #e7e5e4;
  --color-primary: #0f766e;
  --color-primary-dark: #115e59;
  --color-primary-light: #14b8a6;
  --color-accent: #c2410c;
  --color-accent-bg: #fff7ed;
  --color-error-bg: #fef2f2;
  --color-error-border: #fecaca;
  --color-error-text: #991b1b;
  --color-focus: #0d9488;

  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --font-heading: Georgia, Cambria, "Times New Roman", Times, serif;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 9999px;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;

  --max-width: 1100px;
  --sidebar-width: 280px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0c0a09;
    --color-surface: #1c1917;
    --color-text: #fafaf9;
    --color-text-muted: #a8a29e;
    --color-border: #292524;
    --color-primary: #14b8a6;
    --color-primary-dark: #115e59;
    --color-primary-light: #5eead4;
    --color-accent: #fb923c;
    --color-accent-bg: #431407;
    --color-error-bg: #450a0a;
    --color-error-border: #7f1d1d;
    --color-error-text: #fecaca;
    --color-focus: #2dd4bf;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* Focus */
*:focus {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Page layout */
.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}

/* Header */
.site-header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.title-lockup {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.logo-mark {
  flex-shrink: 0;
  color: var(--color-primary);
}

.title-text h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  margin: 0;
}

.subtitle {
  font-size: 1rem;
  color: var(--color-text);
  margin: var(--space-xs) 0 0;
}

.meta {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: var(--space-sm) 0 0;
  padding-left: calc(40px + var(--space-md));
}

@media (max-width: 480px) {
  .title-text h1 {
    font-size: 1.5rem;
  }

  .meta {
    padding-left: 0;
    margin-top: var(--space-md);
  }
}

/* Main layout */
.layout {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 840px) {
  .layout {
    grid-template-columns: var(--sidebar-width) 1fr;
    align-items: start;
  }

  .sidebar {
    position: sticky;
    top: var(--space-lg);
  }
}

/* Sidebar sections */
.search-section,
.filters {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.search-section label,
.filter-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: var(--space-xs) 0 0;
}

/* Search input */
.search-input-wrap {
  position: relative;
}

#search {
  width: 100%;
  padding: var(--space-sm) 2.25rem var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  appearance: none;
  -webkit-appearance: none;
}

#search::placeholder {
  color: var(--color-text-muted);
  opacity: 0.8;
}

.clear-btn {
  position: absolute;
  right: var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.clear-btn:hover {
  color: var(--color-text);
  background: var(--color-border);
}

.clear-btn:focus-visible {
  border-color: var(--color-focus);
}

/* Filters */
.filters h2 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 var(--space-md);
  color: var(--color-text);
}

.filter-group {
  margin-bottom: var(--space-md);
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

/* Grid items default to min-width:auto, which lets a native date input's
   intrinsic width push past its column and overlap the results column. */
.filter-row > .filter-group {
  min-width: 0;
}

select,
input[type="date"] {
  width: 100%;
  min-width: 0;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  appearance: none;
  -webkit-appearance: none;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2 4L6 8L10 4' stroke='%2357534e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

@media (prefers-color-scheme: dark) {
  select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2 4L6 8L10 4' stroke='%23a8a29e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  }
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  color: #ffffff;
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-secondary {
  width: 100%;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
}

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

@media (prefers-color-scheme: dark) {
  .btn-primary {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
  }

  .btn-primary:hover {
    background: #0f766e;
    border-color: #0f766e;
  }
}

/* Results */
.results {
  min-width: 0;
}

.results-summary {
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.loading-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.results-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-md);
}

.result-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
}

.result-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-bg);
  border-radius: var(--radius-pill);
}

.question {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  margin: 0 0 var(--space-sm);
}

.answer {
  color: var(--color-text-muted);
  line-height: 1.7;
  white-space: pre-wrap;
}

.answer.is-long {
  max-height: 6.5em;
  overflow: hidden;
  position: relative;
}

.answer.is-long::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2.5em;
  background: linear-gradient(transparent, var(--color-surface));
  pointer-events: none;
}

.answer.is-long.expanded {
  max-height: none;
}

.answer.is-long.expanded::after {
  display: none;
}

.expand-btn {
  margin-top: var(--space-sm);
  padding: var(--space-xs) 0;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  background: transparent;
  border: none;
  cursor: pointer;
}

.expand-btn:hover {
  text-decoration: underline;
}

.keywords {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.keyword {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

.attribution {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  margin-top: var(--space-md);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.attribution-entry {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35em;
}

.attribution-label {
  color: var(--color-text-muted);
}

.attribution-name {
  color: var(--color-text);
  font-weight: 600;
}

.dates {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Empty / error states */
.empty-state,
.error-state {
  border-radius: var(--radius);
  padding: var(--space-xl);
  text-align: center;
}

.empty-state {
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
}

.error-state {
  text-align: left;
  color: var(--color-error-text);
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
}

.error-title {
  font-weight: 700;
  margin: 0 0 var(--space-xs);
}

.error-text {
  margin: 0 0 var(--space-md);
  line-height: 1.6;
}

.load-more {
  display: flex;
  width: 100%;
  max-width: 320px;
  margin: var(--space-xl) auto 0;
}

/* Footer */
.site-footer {
  margin-top: var(--space-xxl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.site-footer p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
}