:root {
  --bg: #f5f5f3;
  --surface: #ffffff;
  --ink: #1c1b19;
  --sub: #5b5851;
  --line: #d9d5cb;
  --accent: #0a5a8c;
  --accent-ink: #ffffff;
  --danger: #9a2f2f;
  --danger-bg: #fbeaea;
  --playing-bg: #eaf3f8;
  --focus: #0a5a8c;
  --radius: 10px;
  --touch: 44px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Noto Sans KR", "Malgun Gothic", sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  padding-left: max(0px, env(safe-area-inset-left));
  padding-right: max(0px, env(safe-area-inset-right));
}

img,
audio {
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: 0;
  top: 0;
  transform: translateY(-120%);
  background: var(--accent);
  color: var(--accent-ink);
  padding: 12px 16px;
  z-index: 100;
  border-radius: 0 0 8px 0;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 16px 56px;
}

@media (min-width: 640px) {
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }
}

.site-header {
  padding-top: max(16px, env(safe-area-inset-top));
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.site-header h1 {
  font-size: clamp(20px, 4.5vw, 26px);
  font-weight: 700;
  margin: 0 0 8px;
}

.meta {
  color: var(--sub);
  font-size: 13.5px;
  line-height: 1.7;
  margin: 0;
}

.meta code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.95em;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: stretch;
  margin: 20px 0;
}

.search-field {
  flex: 1 1 220px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 12px;
  min-height: var(--touch);
}

.search-field label {
  font-size: 13px;
  color: var(--sub);
  white-space: nowrap;
}

.search-field input[type="search"] {
  flex: 1;
  border: 0;
  background: transparent;
  font-size: 15px;
  min-height: var(--touch);
  color: var(--ink);
  min-width: 0;
}

.search-field input[type="search"]:focus:not(:focus-visible) {
  outline: none;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  min-height: var(--touch);
  min-width: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.filter-btn[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.jump-nav {
  margin: 4px 0 8px;
}

.jump-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.jump-nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--touch);
  padding: 0 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  background: var(--surface);
}

.status-bar {
  min-height: 20px;
  font-size: 13px;
  color: var(--sub);
  margin: 4px 0 16px;
}

.empty-state {
  display: none;
  padding: 24px;
  text-align: center;
  color: var(--sub);
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.empty-state.is-visible {
  display: block;
}

.section {
  margin: 36px 0;
  scroll-margin-top: 16px;
}

.section h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 4px;
  padding-left: 12px;
  border-left: 4px solid var(--accent);
}

.section .section-desc {
  color: var(--sub);
  font-size: 13px;
  margin: 6px 0 16px 16px;
}

.grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  min-width: 0;
}

.card.is-playing {
  background: var(--playing-bg);
  border-color: var(--accent);
}

.card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.card__name {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
}

.card__playing-badge {
  display: none;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 2px 8px;
  white-space: nowrap;
}

.card.is-playing .card__playing-badge {
  display: inline-block;
}

.card__tags {
  margin: 6px 0 12px;
}

.tag {
  display: inline-block;
  font-size: 11px;
  color: var(--sub);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 9px;
  margin: 0 4px 4px 0;
}

.player {
  margin-bottom: 10px;
}

.player:last-of-type {
  margin-bottom: 0;
}

.player__label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--sub);
  margin-bottom: 4px;
}

.player audio {
  width: 100%;
  display: block;
}

.player__status {
  display: block;
  font-size: 12px;
  min-height: 16px;
  margin-top: 4px;
  color: var(--sub);
}

.player__status.is-error {
  color: var(--danger);
}

.card__id {
  margin: 12px 0 0;
  font-size: 11px;
  color: var(--sub);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  word-break: break-all;
}

.note {
  margin-top: 40px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--sub);
}

.site-footer {
  margin-top: 40px;
  padding-top: 16px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--sub);
}

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

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

:focus:not(:focus-visible) {
  outline: none;
}

@media (prefers-reduced-motion: no-preference) {
  .card,
  .filter-btn,
  .skip-link {
    transition: background-color 0.15s ease, border-color 0.15s ease,
      transform 0.15s ease;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}