:root {
  --bg-primary: #0f1117;
  --bg-secondary: #181a20;
  --bg-tertiary: #1e2028;
  --text-primary: #e4e4e7;
  --text-secondary: #8b8b94;
  --accent: #3b9c8f;
  --accent-hover: #4db8a8;
  --border: #2a2d35;
  --danger: #c45c5c;
  --success: #5ca46a;
  --warning: #c9933a;
  --radius: 0;
  --shadow: none;
  --font: system-ui, -apple-system, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', monospace;
}

[data-theme="light"] {
  --bg-primary: #f5f5f0;
  --bg-secondary: #ffffff;
  --bg-tertiary: #eaeae5;
  --text-primary: #1a1a1a;
  --text-secondary: #666660;
  --accent: #2a7d72;
  --accent-hover: #1f6b62;
  --border: #d4d4cf;
  --danger: #a84444;
  --success: #3d8a4c;
  --warning: #a87828;
}

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  max-width: 100%;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

header h1 {
  font-size: 1.2rem;
  white-space: nowrap;
}

nav {
  display: flex;
  gap: 0.25rem;
}

nav button {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.85rem;
}

nav button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

main {
  flex: 1;
  padding: 0;
  max-width: 100%;
  margin: 0;
  width: 100%;
}

.hidden {
  display: none !important;
}

/* Vote panel */
#vote-status {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

#matchup {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.image-card {
  width: 50vw;
  max-width: 50vw;
  position: relative;
  cursor: pointer;
  border: none;
  overflow: hidden;
}

.image-card:active {
  border-color: var(--accent);
}

.image-card img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 70vh;
  object-fit: contain;
  background: var(--bg-tertiary);
}

.elo-badge {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  background: rgba(0,0,0,0.7);
  color: var(--accent);
  padding: 0.2rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.vs {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  color: var(--text-secondary);
  font-weight: bold;
  padding-top: 40%;
}

.hint {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 0.75rem;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
}

tr.top td {
  color: var(--success);
}

tr.bottom td {
  color: var(--danger);
}

/* Thumb in table */
td img {
  height: 40px;
  width: auto;
  vertical-align: middle;
  border: 1px solid var(--border);
}

/* Lightbox */
#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

#lightbox img {
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
}

.lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: none;
  font-size: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  cursor: pointer;
  z-index: 101;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

button.small {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 0.3rem 0.6rem;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.8rem;
}

button.small:active {
  background: var(--accent);
  color: #fff;
}

#sync-status {
  font-size: 0.8rem;
  color: var(--text-secondary);
}