/* =====================================================================
   Shared styles — Gaussian Splat Gallery
   Branding placeholder: swap fonts, colours, and logo here.
   ===================================================================== */

:root {
  --bg:        #0f0f0f;
  --surface:   #1a1a1a;
  --border:    #2a2a2a;
  --accent:    #6ee7b7;   /* replace with brand colour */
  --text:      #e5e5e5;
  --text-muted:#888;
  --radius:    10px;
  --font:      system-ui, -apple-system, sans-serif;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

/* ── Header ─────────────────────────────────────────────────────── */
.site-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.site-header .logo {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--accent);
  text-decoration: none;
}

.site-header nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
}

.site-header nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.15s;
}

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

/* ── Gallery grid ────────────────────────────────────────────────── */
.gallery-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.gallery-page h1 {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.gallery-page .subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.splat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.splat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.15s, transform 0.15s;
}

.splat-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.splat-card .card-name {
  font-size: 1rem;
  font-weight: 600;
}

.splat-card .card-desc {
  color: var(--text-muted);
  font-size: 0.82rem;
  flex: 1;
  line-height: 1.5;
}

.splat-card .card-meta {
  display: flex;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.splat-card .card-meta span { white-space: nowrap; }

.splat-card .btn-view {
  display: block;
  width: 100%;
  padding: 10px 0;
  background: var(--accent);
  color: #000;
  font-weight: 600;
  font-size: 0.875rem;
  text-align: center;
  border-radius: 6px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s;
}

.splat-card .btn-view:hover { opacity: 0.85; }

/* ── Status messages ─────────────────────────────────────────────── */
.status-msg {
  text-align: center;
  padding: 60px 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.status-msg.error { color: #f87171; }

/* ── Viewer page ─────────────────────────────────────────────────── */
.viewer-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.viewer-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 10;
  flex-shrink: 0;
}

.viewer-bar .back-btn {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s;
}

.viewer-bar .back-btn:hover { color: var(--text); }

.viewer-bar .splat-title {
  font-size: 0.9rem;
  font-weight: 600;
}

.viewer-bar .loading-badge {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-muted);
}

#splat-canvas-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #000;
}

#splat-canvas-container canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.viewer-error {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #f87171;
  font-size: 0.9rem;
  background: #0f0f0f;
}