/* ============================================================================
   ipgaze - Modern CSS Framework
   Based on AI.md PART 16/17 - Web UI / Frontend Standards
   public.css: Public layout styles — page/layout-specific rules only.
   Loaded last, after common.css and components.css.
   ============================================================================ */

/* ============================================================================
   Grid Layouts
   ============================================================================ */

.features-grid,
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

/* Header */
#main-header {
  background: var(--color-bg-secondary);
  border-bottom: 2px solid var(--color-border);
  padding: var(--space-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-text);
  text-decoration: none;
}

.logo:hover {
  color: var(--color-primary);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
}

.header-center {
  display: flex;
  gap: var(--space-lg);
}

.header-center a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-weight: 500;
}

.header-center a:hover {
  color: var(--color-text);
}

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

.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: var(--space-xs) var(--space-sm);
  transition: color 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-primary);
}

.theme-icon {
  font-size: 1.2rem;
}

/* Main Content */
#main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

/* Footer styling lives in the dedicated "Footer" section below — it
   targets the actual <footer class="footer"> markup from footer.tmpl. */

/* IP Display */
.ip-display {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-code);
  font-size: 2.5rem;
  padding: var(--space-lg);
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  text-align: center;
  max-width: 100%;
  overflow-x: auto;
  white-space: nowrap;
  margin: var(--space-lg) 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-bg-secondary);
}

.ip-display::-webkit-scrollbar {
  height: 6px;
}

.ip-display::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

.ip-display::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

.ip-display::-webkit-scrollbar-thumb:hover {
  background: var(--color-muted);
}

/* Info Table
   Mobile-first: rows are divided by a single hairline (not a full grid of
   heavy borders on every cell) so a long key/value list reads as a
   compact, scannable list instead of a tall bordered spreadsheet. */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
}

.info-table tr {
  border-bottom: 1px solid var(--color-border);
}

.info-table tr:last-child {
  border-bottom: none;
}

.info-table th,
.info-table td {
  padding: var(--space-sm);
  text-align: left;
  vertical-align: top;
}

.info-table th {
  width: 42%;
  font-weight: 600;
  color: var(--color-muted);
}

.info-table td {
  overflow-wrap: break-word;
  word-break: break-all;
  font-family: var(--font-code);
  font-size: 0.9rem;
}

/* IP display row: code + copy button side-by-side */
.ip-display-row {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  max-width: 100%;
  overflow: hidden;
}

/* IP code block with horizontal scrolling for long IPv6 addresses */
.ip-scroll {
  display: block;
  font-family: var(--font-code);
  font-size: 2rem;
  font-weight: 600;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  overflow-x: auto;
  white-space: nowrap;
  max-width: 100%;
  min-width: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-bg-secondary);
}

.ip-scroll::-webkit-scrollbar {
  height: 4px;
}

.ip-scroll::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

.ip-scroll::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

/* ============================================================================
   Navigation
   ============================================================================ */

.site-nav {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  height: 56px;
}

.nav-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-brand {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-text);
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-sm);
  flex: 1;
}

.nav-links a {
  color: var(--color-muted);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}

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

/* Visually hidden but still focusable/operable via keyboard (Tab + Space) —
   `display: none` would remove it from the tab order entirely, making the
   mobile nav toggle unreachable without a mouse (AI.md PART 16
   "Accessibility" → Keyboard Navigation). */
.nav-checkbox {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.nav-checkbox:focus-visible ~ .nav-inner .nav-burger {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.nav-burger {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.4rem;
  cursor: pointer;
  padding: var(--space-xs);
  line-height: 1;
  user-select: none;
}

.nav-panel {
  display: none;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm);
}

.nav-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-panel a {
  display: block;
  color: var(--color-muted);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
}

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

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0, 0, 0, 0.4);
}

.nav-checkbox:checked ~ .nav-panel {
  display: block;
}

.nav-checkbox:checked ~ .nav-overlay {
  display: block;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ============================================================================
   Hero Section
   ============================================================================ */

.hero {
  text-align: center;
  padding: var(--space-xl) 0;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.subtitle {
  color: var(--color-muted);
  font-size: 1.05rem;
}

.tor-hidden-service-notice {
  margin-top: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-md, 6px);
  background: var(--color-bg-secondary);
  color: var(--color-text);
  font-size: 0.9rem;
}

/* ============================================================================
   Health Page Header
   ============================================================================ */

.health-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.health-header h1 { font-size: 2rem; color: var(--color-text); }

.tagline {
  color: var(--color-muted);
  font-size: 1.1rem;
  font-style: italic;
  margin: var(--space-xs) 0;
}

/* ============================================================================
   Footer
   ============================================================================ */

/* AI.md PART 16 "Footer (Mobile-First)" / "Default Application Footer" —
   matches the <footer class="footer"> markup in footer.tmpl. Always
   centered, always at bottom (body/#main-content flex layout above
   pushes it down); rows are consecutive <p> elements with tight
   vertical rhythm, never <br /> spacers. */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding: 1rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.footer a {
  color: var(--color-muted);
  text-decoration: none;
}

.footer a:hover {
  color: var(--color-text);
}

.footer p {
  margin: 0.25rem 0;
}

@media (min-width: 768px) {
  .footer {
    padding: 1.5rem;
  }
}

/* ============================================================================
   Error Page
   ============================================================================ */

.error-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.error-card {
  text-align: center;
  padding: var(--space-xl);
  max-width: 500px;
}

.error-icon { font-size: 3rem; }
.error-title { font-size: 1.8rem; color: var(--color-text); }
.error-message { color: var(--color-muted); font-size: 1.05rem; }
.error-id { color: var(--color-muted); font-size: 0.9rem; margin-top: var(--space-md); }

/* ============================================================================
   Responsive Design - Mobile First (base = < 768px)
   Page/layout-specific responsive overrides only — base typography lives
   in common.css, component-level overrides live in components.css.
   ============================================================================ */

/* Mobile base styles (no min-width query — mobile-first default) */
.mobile-menu-toggle {
  display: block;
}

.header-center {
  position: absolute;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--color-bg-secondary);
  flex-direction: column;
  display: none;
  padding: var(--space-md);
  border-bottom: 2px solid var(--color-border);
}

.header-center.active {
  display: flex;
}

.header-center a {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

#main-content {
  padding: var(--space-md);
  width: 100%;
}

.ip-display {
  font-size: 1.5rem;
  padding: var(--space-md);
}

.features-grid,
.stats-grid,
.results-grid {
  grid-template-columns: 1fr;
}

.nav-burger { display: flex; }
.nav-links { display: none; }

/* Tablet and up (768px+) */
@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }

  .header-center {
    position: static;
    flex-direction: row;
    display: flex;
    padding: 0;
    border-bottom: none;
    background: transparent;
  }

  .header-center a {
    padding: 0;
    border-bottom: none;
  }

  #main-content {
    width: 90%;
    padding: var(--space-xl) var(--space-lg);
  }

  .ip-display {
    font-size: 2.5rem;
    padding: var(--space-lg);
  }

  .info-table th,
  .info-table td {
    padding: var(--space-md);
    font-size: 1rem;
  }

  .nav-burger { display: none; }
  .nav-links {
    display: flex;
    flex-direction: row;
    position: static;
    background: transparent;
    border-bottom: none;
    padding: 0;
  }
  .nav-panel { display: none; }
  .nav-overlay { display: none; }
  /* Beats `.nav-checkbox:checked ~ .nav-panel`/`.nav-overlay` (same
     specificity, defined earlier in this file) by source order instead of
     `!important` — the mobile nav toggle stays hidden on desktop even if
     the checkbox is left checked from a narrower viewport. */
  .nav-checkbox:checked ~ .nav-panel { display: none; }
  .nav-checkbox:checked ~ .nav-overlay { display: none; }

  .features-grid,
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop and up (1024px+) */
@media (min-width: 1024px) {
  .features-grid,
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .results-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

/* ============================================================================
   Landing Page (index.tmpl)
   Page-specific layout only. Shared components (buttons, tables, cards,
   widgetbox, IP display, form controls) live in components.css — see
   AI.md PART 16 "One file per context".
   Mobile-first: base rules below are the mobile (<768px) layout; the
   min-width query enhances for tablet/desktop.
   ============================================================================ */

.landing-page {
  padding: var(--space-lg) 0;
}

/* Hero row: IP display + optional sponsor box.
   This is the primary panel on the page — an elevated card with an accent
   top border sets it apart from the secondary .section-cards below, so
   the page reads as "your IP" first, details second, instead of a stack
   of equally-weighted boxes. Mobile: stacked, sponsor box below the hero. */
.landing-hero-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

/* The hero panel itself now supplies the framing padding, so the inner
   .hero (a shared component) shouldn't add its own — otherwise mobile
   stacks two paddings and the hero reads even taller. */
.landing-hero-row > .hero {
  padding: 0;
}

/* Two-column content row (info table / API widget).
   These are secondary panels: flat 1px borders, no shadow/accent, so
   they visually sit below the hero rather than competing with it.
   Mobile: stacked, single column. */
.landing-columns {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* The flex gap above already spaces the cards; drop .section-card's own
   margin-bottom here so mobile doesn't stack two gaps.
   min-width: 0 is required at every breakpoint, not just desktop: a flex
   item defaults to min-width: auto, so an unbreakable string inside the
   widgetbox (e.g. a long JSON raw_value) forces this card — and the whole
   page — wider than the viewport on mobile otherwise (AI.md PART 16
   "Long Strings" — never let long strings overflow their container or
   break mobile layouts). */
.landing-columns > .section-card {
  margin-bottom: 0;
  min-width: 0;
}

@media (min-width: 768px) {
  .landing-hero-row {
    flex-direction: row;
    align-items: center;
  }

  .landing-hero-row > .hero {
    flex: 2;
    text-align: left;
  }
}

/* The info-table / API-widget row holds dense tabular values and
   horizontally-scrolling JSON/curl output (AI.md PART 16 "Long Strings").
   Splitting it into two half-width columns at the 768px tablet breakpoint
   squeezes that content into columns too narrow to read comfortably, so
   this row waits for the 1024px desktop breakpoint instead — tablets get
   the full-width single column, matching real device feedback. */
@media (min-width: 1024px) {
  .landing-columns {
    flex-direction: row;
    align-items: flex-start;
  }

  .landing-columns > .section-card {
    flex: 1;
  }
}

/* Hosting sponsor box */
.sponsor-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  text-align: center;
}

.sponsor-logo {
  display: block;
  height: 72px;
  width: 72px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  object-fit: cover;
}

.sponsor-text {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0;
}

@media (min-width: 768px) {
  .sponsor-box {
    align-items: flex-end;
    text-align: right;
  }
}

/* GeoIP attribution line under the info table */
.geoip-attribution {
  color: var(--color-muted);
  font-size: 0.85rem;
}

/* Scrollable table wrapper (PART 16 mobile table requirement) */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
}

/* Narrow numeric input inside the API widget (e.g. port) */
.input-narrow {
  width: 6em;
  flex: 0 0 auto;
}

/* "Check another IP" control row */
.ip-check-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-sm);
}

.ip-check-row label {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: 0.9rem;
  color: var(--color-muted);
  flex: 1 1 12rem;
}

/* Location map (bounding box derived from GeoIP lat/long) */
.map-box {
  margin-bottom: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--color-bg-card);
}

.location-map {
  display: block;
  width: 100%;
  height: 280px;
  border: 0;
  filter: grayscale(0.15) contrast(1.05);
}

@media (prefers-color-scheme: dark) {
  .location-map {
    filter: grayscale(0.3) invert(0.92) contrast(0.9) hue-rotate(180deg);
  }
}

html.theme-dark .location-map {
  filter: grayscale(0.3) invert(0.92) contrast(0.9) hue-rotate(180deg);
}

html.theme-light .location-map {
  filter: grayscale(0.15) contrast(1.05);
}

.map-large-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.85rem;
  text-align: right;
  color: var(--color-muted);
}

/* FAQ section */
.faq h3 {
  font-size: 1rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
}

.faq p {
  margin: var(--space-xs) 0 var(--space-md);
}

/* curl examples inside FAQ answers must scroll horizontally rather than
   wrap mid-token (AI.md PART 16 "Long Strings" .code-block pattern) */
.faq code {
  display: inline-block;
  max-width: 100%;
  overflow-x: auto;
  white-space: pre;
  vertical-align: bottom;
  -webkit-overflow-scrolling: touch;
}

/* Print Styles */
@media print {
  #main-header,
  #main-footer,
  .theme-toggle,
  .mobile-menu-toggle {
    display: none;
  }

  body {
    background: white;
    color: black;
  }
}

time { font-style: normal; }