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

:root {
  --bg: #0a0a0a;
  --surface: #111;
  --border: rgba(255,255,255,0.08);
  --text: #f0ede8;
  --muted: rgba(240,237,232,0.4);
  --accent: #c8b89a;
  --accent-dim: rgba(200,184,154,0.15);
  --progress: #c8b89a;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header {
  width: 100%;
  max-width: 1100px;
  padding: 2rem 2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

header h1 {
  font-family: 'DM Mono', monospace;
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

#frame-date {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.viewer {
  width: 100%;
  max-width: 1100px;
  padding: 1.5rem 2rem 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.photo-container {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.photo-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.1s ease;
}

.photo-container img.loading { opacity: 0.6; }

.overlay-info {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,0.7);
  background: rgba(0,0,0,0.5);
  padding: 4px 8px;
  border-radius: 2px;
  letter-spacing: 0.05em;
  backdrop-filter: blur(4px);
}

.no-photos {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--muted);
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.timeline-wrap {
  position: relative;
  height: 36px;
  display: flex;
  align-items: center;
  gap: 0;
}

.timeline-track {
  position: relative;
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  cursor: pointer;
}

.timeline-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  pointer-events: none;
  width: 0%;
  transition: width 0.05s linear;
}

.timeline-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  cursor: grab;
  left: 0%;
  transition: left 0.05s linear, transform 0.1s ease;
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.timeline-thumb:active { cursor: grabbing; transform: translate(-50%, -50%) scale(1.2); }

.tick-marks {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 20px;
  pointer-events: none;
}

.tick {
  position: absolute;
  top: 4px;
  width: 1px;
  height: 5px;
  background: var(--border);
  transform: translateX(-50%);
}

.tick-label {
  position: absolute;
  top: 10px;
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  color: var(--muted);
  transform: translateX(-50%);
  white-space: nowrap;
  letter-spacing: 0.03em;
}

.playback-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 0.25rem;
}

.btn-group { display: flex; align-items: center; gap: 0.5rem; }

button {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

button:hover { border-color: var(--accent); background: var(--accent-dim); }

#play-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border-color: var(--accent);
  flex-shrink: 0;
}

#play-btn svg { width: 14px; height: 14px; fill: var(--accent); }

.counter {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  margin-left: auto;
  letter-spacing: 0.05em;
}

.speed-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

select {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  padding: 5px 8px;
  border-radius: 2px;
  cursor: pointer;
  outline: none;
}

select:hover { border-color: var(--accent); }
select option { background: #1a1a1a; }

.status-bar {
  width: 100%;
  max-width: 1100px;
  padding: 1rem 2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
}

#loading-msg { color: var(--accent); }