/* === Reset === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; height: 100%; overflow: hidden; background: #1e1a14; color: #fff; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; cursor: none; }
body.setup-mode { cursor: default; }
.screen { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

/* === SETUP === */
#setup-screen { background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%); display: flex; align-items: center; justify-content: center; cursor: default; }
.setup-container { width: 90%; max-width: 600px; max-height: 90vh; overflow-y: auto; padding: 2rem; }
.setup-header { text-align: center; margin-bottom: 2rem; }
.setup-header h1 { font-size: 2.2rem; font-weight: 300; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.setup-logo { width: 96px; height: 96px; margin-bottom: 0.75rem; border-radius: 16px; }
.subtitle { font-size: 0.95rem; color: #888; }
.subtitle.connected { color: #4ade80; }
.section h2 { font-size: 1rem; font-weight: 500; color: #aaa; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; }
.source-buttons { display: flex; gap: 0.75rem; margin-bottom: 1rem; }
.source-btn { flex: 1; padding: 1rem; background: rgba(255,255,255,0.06); border: 2px solid rgba(255,255,255,0.1); border-radius: 12px; color: #fff; font-size: 0.95rem; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; transition: all 0.2s ease; }
.source-btn:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.25); }
.source-btn.selected { background: rgba(99,102,241,0.2); border-color: #6366f1; }
.source-icon { font-size: 1.5rem; }
.albums-list { max-height: 300px; overflow-y: auto; margin-bottom: 1.5rem; }
.loading-text { text-align: center; color: #666; padding: 1rem; }
.album-item { display: flex; align-items: center; gap: 1rem; padding: 0.75rem 1rem; background: rgba(255,255,255,0.04); border: 2px solid transparent; border-radius: 10px; margin-bottom: 0.5rem; cursor: pointer; transition: all 0.2s ease; animation: fadeIn 0.3s ease forwards; }
.album-item:hover { background: rgba(255,255,255,0.08); }
.album-item.selected { background: rgba(99,102,241,0.15); border-color: #6366f1; }
.album-thumb { width: 48px; height: 48px; border-radius: 8px; object-fit: cover; background: #222; }
.album-info { flex: 1; }
.album-name { font-size: 1rem; font-weight: 500; }
.album-count { font-size: 0.8rem; color: #888; margin-top: 2px; }
.start-btn { display: block; width: 100%; padding: 1rem; background: #6366f1; border: none; border-radius: 12px; color: #fff; font-size: 1.1rem; font-weight: 600; cursor: pointer; transition: all 0.2s ease; }
.start-btn:hover:not(:disabled) { background: #4f46e5; transform: translateY(-1px); }
.start-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.setup-error { text-align: center; padding: 2rem; }
.setup-error p { margin-bottom: 0.75rem; }
.setup-error .error-detail { color: #888; font-size: 0.85rem; }
.setup-error button { margin-top: 1rem; padding: 0.75rem 2rem; background: #6366f1; border: none; border-radius: 8px; color: #fff; font-size: 1rem; cursor: pointer; }
.spinner { display: inline-block; width: 24px; height: 24px; border: 2px solid rgba(255,255,255,0.2); border-top-color: #fff; border-radius: 50%; animation: spin 0.8s linear infinite; margin-right: 0.5rem; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* =============================================
   SLIDESHOW - VINTAGE POLAROID PILE
   ============================================= */
#slideshow-screen { background: #1e1a14; overflow: hidden; }

/* Background — near-full sepia */
.bg-blur {
  position: absolute; top: -30px; left: -30px;
  width: calc(100% + 60px); height: calc(100% + 60px);
  background-size: cover; background-position: center;
  filter: blur(50px) brightness(0.15) saturate(0.1) sepia(1.0);
  opacity: 0; transition: opacity 3s ease; z-index: 1;
}
.bg-blur.visible { opacity: 1; }

/* Canvas pile */
#pile-canvas {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 2; pointer-events: none;
  transition: opacity 2s ease;
}

/* Vignette */
.bg-vignette {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(20,16,10,0.7) 100%);
  z-index: 3; pointer-events: none;
}

/* --- Centering wrapper (flexbox — works on all resolutions) --- */
.main-frame-wrapper {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  z-index: 5; pointer-events: none; overflow: visible;
}

/* --- Main frame — no transform centering, flexbox does it --- */
.main-frame {
  opacity: 0;
  transition: opacity 1.2s ease;
  animation: float 90s linear infinite;
  pointer-events: auto;
}
.main-frame.visible { opacity: 1; }

/* Slow drift + slight constant rotation */
@keyframes float {
  0%   { transform: translate(0, 0) rotate(1.5deg); }
  100% { transform: translate(8px, -5px) rotate(1.5deg); }
}

/* Polaroid frame — proportional padding matching pile (4% sides, 12% bottom) */
.main-frame .frame-border {
  background: #ede8df;
  padding: 1.2vmin 1.2vmin 4vmin 1.2vmin;
  box-shadow:
    0 6px 40px rgba(0,0,0,0.6),
    0 2px 6px rgba(0,0,0,0.3),
    inset 0 0 0 1px rgba(0,0,0,0.05);
  border-radius: 2px;
  position: relative;
}

/* Large main image — allowed to overhang slightly */
.main-frame .frame-media {
  display: block;
  max-width: 93vw;
  max-height: 85vh;
  width: auto; height: auto;
  object-fit: contain;
  background: #2a2520;
}

/* === OVERLAY === */
.overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 10; pointer-events: none; opacity: 1; transition: opacity 0.5s ease; }
.overlay.hidden { opacity: 0; }
.overlay-top-right { position: absolute; top: 1.5rem; right: 2rem; text-align: right; text-shadow: 0 2px 8px rgba(0,0,0,0.9), 0 0 30px rgba(0,0,0,0.6); }
.clock { font-size: 2.5rem; font-weight: 200; letter-spacing: 0.05em; line-height: 1.2; }
.date-display { font-size: 0.95rem; font-weight: 300; color: rgba(255,255,255,0.8); margin-top: 0.25rem; }
.overlay-bottom { position: absolute; bottom: 0; left: 0; width: 100%; padding: 1.5rem 2rem 1rem; background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 100%); }
.exif-info { font-size: 0.85rem; font-weight: 300; color: rgba(255,255,255,0.75); margin-bottom: 0.75rem; text-shadow: 0 1px 4px rgba(0,0,0,0.8); }
.progress-bar { width: 100%; height: 3px; background: rgba(255,255,255,0.15); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; width: 0%; background: rgba(255,255,255,0.5); border-radius: 2px; transition: width 0.3s linear; }

/* === CONTROLS === */
.touch-zone { position: absolute; top: 0; height: 100%; z-index: 20; cursor: pointer; }
.touch-left { left: 0; width: 20%; }
.touch-center { left: 20%; width: 60%; }
.touch-right { right: 0; width: 20%; }
.settings-btn { position: absolute; top: 1rem; left: 1rem; width: 44px; height: 44px; background: rgba(0,0,0,0.5); border: 1px solid rgba(255,255,255,0.2); border-radius: 50%; color: #fff; font-size: 1.2rem; cursor: pointer; z-index: 30; opacity: 0; transition: opacity 0.3s ease; pointer-events: none; }
.settings-btn.visible { opacity: 1; pointer-events: auto; }

/* === RESPONSIVE === */
@media (max-width: 600px) {
  .setup-container { padding: 1.25rem; }
  .setup-header h1 { font-size: 1.6rem; }
  .clock { font-size: 1.8rem; }
  .overlay-top-right { top: 1rem; right: 1rem; }
  .overlay-bottom { padding: 1rem 1rem 0.5rem; }
  .source-buttons { flex-direction: column; }
  .main-frame .frame-border { padding: 1vmin 1vmin 3.5vmin 1vmin; }
  .main-frame .frame-media { max-width: 96vw; max-height: 88vh; }
}

.albums-list::-webkit-scrollbar, .setup-container::-webkit-scrollbar { width: 6px; }
.albums-list::-webkit-scrollbar-track, .setup-container::-webkit-scrollbar-track { background: transparent; }
.albums-list::-webkit-scrollbar-thumb, .setup-container::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }