:root {
  color-scheme: light dark;
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #1b2430;
  --muted: #4f5b6b;
  --border: #d5dce5;
  --accent: #1f5f8b;
  --accent-text: #ffffff;
  --accent-soft: #e3eef7;
  --notice-bg: #fff6e0;
  --notice-border: #e2b546;
  --danger: #a32626;
  --danger-soft: #fdecec;
  --focus: #b4530f;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161d;
    --surface: #1a212b;
    --text: #e8edf3;
    --muted: #a9b4c2;
    --border: #334050;
    --accent: #7cb8e4;
    --accent-text: #0d1720;
    --accent-soft: #1f3345;
    --notice-bg: #2c2414;
    --notice-border: #a07b25;
    --danger: #ff9b9b;
    --danger-soft: #3a1c1c;
    --focus: #ffb36b;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.wrap {
  width: min(100% - 2rem, 44rem);
  margin-inline: auto;
}

h1,
h2 {
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.25rem);
}

h2 {
  font-size: 1.2rem;
}

a {
  color: var(--accent);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -10rem;
  padding: 0.5rem 1rem;
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius);
  z-index: 1;
}

.skip-link:focus {
  top: 1rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.site-header {
  padding: 2rem 0 1rem;
}

.tagline,
.muted,
.hint {
  color: var(--muted);
}

.tagline {
  margin: 0;
}

main {
  display: grid;
  gap: 1.25rem;
  padding-bottom: 2rem;
}

.notice,
.card {
  border-radius: var(--radius);
  padding: 1.25rem;
}

.notice {
  background: var(--notice-bg);
  border: 1px solid var(--notice-border);
}

.notice ul {
  margin: 0;
  padding-left: 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
}

.field {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

input {
  width: 100%;
  font: inherit;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--muted);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

input[aria-invalid="true"] {
  border-color: var(--danger);
  border-width: 2px;
}

.hint {
  font-size: 0.9rem;
  margin: 0.25rem 0 0;
}

.error {
  color: var(--danger);
  background: var(--danger-soft);
  border-left: 4px solid var(--danger);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  margin: 0 0 1rem;
}

.button,
.filter,
.item-actions button {
  font: inherit;
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0.5rem 0.9rem;
  min-height: 2.5rem;
}

.button:hover,
.filter:hover,
.item-actions button:hover {
  border-color: var(--accent);
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
}

button:disabled {
  opacity: 0.6;
  cursor: progress;
}

.queue-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
}

.queue-header p {
  margin: 0;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.5rem 0 1rem;
}

.filter[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  font-weight: 600;
}

.count {
  display: inline-block;
  min-width: 1.5rem;
  padding: 0 0.35rem;
  margin-left: 0.25rem;
  border-radius: 999px;
  background: var(--bg);
  font-size: 0.85rem;
  text-align: center;
}

.items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.item {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: flex-start;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.item.is-read .item-title {
  color: var(--muted);
  text-decoration: line-through;
}

.item-text {
  flex: 1 1 16rem;
  min-width: 0;
}

.item-title {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.item-meta {
  margin: 0.2rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.item-actions {
  display: flex;
  gap: 0.5rem;
}

.item-actions .delete {
  color: var(--danger);
}

.empty {
  text-align: center;
  padding: 1rem 0;
}

.samples {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: grid;
  gap: 0.5rem;
  justify-items: center;
}

.site-footer {
  padding: 1rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (prefers-reduced-motion: no-preference) {
  .button,
  .filter,
  .item-actions button {
    transition: border-color 120ms ease, background-color 120ms ease;
  }
}

.export-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; }