:root {
  --bg: #f7f7f8;
  --surface: #ffffff;
  --border: #e2e2e6;
  --text: #1c1c20;
  --text-muted: #6b6b73;
  --accent: #3a5bfd;
  --row-hover: #f0f2ff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181c;
    --surface: #1f2024;
    --border: #2f3036;
    --text: #ececee;
    --text-muted: #9a9aa2;
    --accent: #7c93ff;
    --row-hover: #24273a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 1;
}

header h1 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 16px 0 0;
}

header label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

#station-select,
#date-input {
  font-size: 0.95rem;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding: 6px 14px 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
}

.switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
}

.switch-track {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 999px;
  transition: background 0.15s ease;
}

.switch-track::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  top: 3px;
  background: var(--surface);
  border-radius: 50%;
  transition: transform 0.15s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.switch input:checked ~ .switch-track {
  background: var(--accent);
}

.switch input:checked ~ .switch-track::before {
  transform: translateX(16px);
}

.switch input:focus-visible ~ .switch-track {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

main {
  max-width: 96vw;
  width: fit-content;
  margin: 24px auto;
  padding: 0 24px 48px;
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table {
  width: auto;
  border-collapse: collapse;
  background: var(--surface);
}

td {
  white-space: nowrap;
}

th, td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 600;
}

.cover-col {
  width: 56px;
}

tbody tr:hover {
  background: var(--row-hover);
}

tbody tr:last-child td {
  border-bottom: none;
}

img.cover {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 4px;
  display: block;
  background: var(--border);
}

#empty-message {
  text-align: center;
  color: var(--text-muted);
  margin-top: 32px;
}