:root {
  --color-bg: #f7f9fc;
  --color-surface: rgba(255, 255, 255, 0.82);
  --color-surface-strong: #ffffff;
  --color-text: #20242d;
  --color-muted: #667085;
  --color-border: rgba(120, 132, 158, 0.22);
  --color-primary: #4f7cff;
  --color-primary-dark: #315ee8;
  --color-pink: #ff7aa8;
  --color-mint: #4dc7b7;
  --color-yellow: #f6c95f;
  --shadow-soft: 0 16px 44px rgba(53, 72, 105, 0.12);
  --shadow-small: 0 8px 22px rgba(53, 72, 105, 0.1);
  --radius-card: 8px;
  --radius-control: 18px;
  --radius-pill: 999px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  line-height: 1.65;
  background:
    radial-gradient(circle at 12% 10%, rgba(255, 122, 168, 0.18), transparent 30%),
    radial-gradient(circle at 90% 6%, rgba(77, 199, 183, 0.16), transparent 28%),
    linear-gradient(180deg, #fbfcff 0%, var(--color-bg) 48%, #eef5ff 100%);
}

body.modal-open {
  overflow: hidden;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

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

.hidden {
  display: none !important;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #ffffff;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-pink));
  box-shadow: var(--shadow-small);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 8px 12px;
  color: var(--color-muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-pill);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--color-primary-dark);
  background: rgba(79, 124, 255, 0.1);
}

.hero-section {
  padding: 72px 0 56px;
}

.hero-content {
  text-align: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--color-primary-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  word-break: keep-all;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  line-height: 1.25;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  line-height: 1.35;
}

.hero-description {
  max-width: 760px;
  margin: 18px auto 28px;
  color: var(--color-muted);
  font-size: 1.08rem;
}

.search-form {
  max-width: 760px;
  margin: 0 auto;
}

.search-form input {
  width: 100%;
  min-height: 62px;
  padding: 0 24px;
  color: var(--color-text);
  font-size: 1.05rem;
  border: 1px solid rgba(79, 124, 255, 0.24);
  border-radius: var(--radius-control);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
  outline: none;
}

.search-form input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(79, 124, 255, 0.14), var(--shadow-soft);
}

.search-help {
  margin: 10px 0 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
  padding-bottom: 60px;
}

.content-stack {
  display: grid;
  gap: 24px;
}

.section-block {
  padding: 26px 0;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.section-meta,
.section-copy,
.favorites-copy {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.94rem;
}

.section-copy {
  margin-bottom: 14px;
}

.song-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 14px;
}

.song-card,
.info-card,
.prose-card,
.contact-card,
.favorite-item,
.chart-row,
.modal-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-small);
  backdrop-filter: blur(14px);
}

.song-card {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  padding: 16px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(248, 251, 255, 0.78));
}

.song-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.album-thumb {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-card);
  object-fit: cover;
  background: #eef3ff;
  border: 1px solid var(--color-border);
}

.song-card-body {
  min-width: 0;
}

.song-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.song-title-button,
.chart-title-button,
.favorite-title-button {
  display: inline;
  padding: 0;
  color: var(--color-text);
  font-weight: 800;
  text-align: left;
  border: 0;
  background: transparent;
}

.song-title-button:hover,
.chart-title-button:hover,
.favorite-title-button:hover,
.song-title-button:focus-visible,
.chart-title-button:focus-visible,
.favorite-title-button:focus-visible {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.source-pill {
  flex: 0 0 auto;
  padding: 3px 8px;
  color: var(--color-primary-dark);
  font-size: 0.72rem;
  font-weight: 900;
  border-radius: var(--radius-pill);
  background: rgba(79, 124, 255, 0.1);
}

.song-subtitle,
.song-artist,
.number-line {
  margin: 2px 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.number-line strong {
  color: var(--color-text);
}

.song-number-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0 4px;
}

.song-number-box {
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid rgba(79, 124, 255, 0.16);
  border-radius: var(--radius-card);
  background: rgba(79, 124, 255, 0.07);
}

.song-number-box span {
  display: block;
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 900;
}

.song-number-box strong {
  display: block;
  margin-top: 1px;
  color: var(--color-text);
  font-size: 1rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0;
  padding: 0;
  list-style: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  color: #31505b;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  background: rgba(77, 199, 183, 0.16);
}

.card-actions,
.chart-row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 13px;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.8);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  box-shadow: var(--shadow-small);
}

.button-primary {
  color: #ffffff;
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary), #6d8fff);
}

.button-ghost {
  color: var(--color-primary-dark);
  background: rgba(79, 124, 255, 0.08);
}

.button-favorite.is-active {
  color: #7a4f00;
  border-color: rgba(246, 201, 95, 0.8);
  background: rgba(246, 201, 95, 0.28);
}

.empty-state {
  padding: 22px;
  color: var(--color-muted);
  text-align: center;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.55);
}

.chart-list-header,
.chart-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 78px 78px 160px;
  gap: 12px;
  align-items: center;
}

.chart-list-header {
  padding: 10px 14px;
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.chart-list {
  display: grid;
  gap: 10px;
}

.chart-row {
  padding: 13px 14px;
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: #ffffff;
  font-weight: 900;
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, var(--color-pink), var(--color-primary));
}

.chart-song-meta {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.number-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  min-height: 32px;
  padding: 4px 8px;
  color: var(--color-text);
  font-weight: 800;
  border-radius: var(--radius-pill);
  background: rgba(79, 124, 255, 0.1);
}

.chart-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
  margin-top: 16px;
}

.pagination-pages {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.pagination-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
  padding: 6px 10px;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 900;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.76);
}

.pagination-button:hover,
.pagination-button:focus-visible,
.pagination-button.is-current {
  color: #ffffff;
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.button:disabled,
.pagination-button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
  box-shadow: none;
}

.favorites-panel {
  position: sticky;
  top: 96px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.favorites-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.favorites-heading h2 {
  font-size: 1.25rem;
}

.count-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  font-weight: 800;
  border-radius: var(--radius-pill);
  background: rgba(79, 124, 255, 0.1);
}

.favorites-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.favorite-item {
  padding: 12px;
  background: rgba(255, 255, 255, 0.82);
}

.favorite-title-button {
  margin-bottom: 4px;
}

.favorite-meta {
  margin: 0 0 8px;
  color: var(--color-muted);
  font-size: 0.84rem;
}

.favorite-remove {
  min-height: 30px;
  padding: 5px 10px;
  color: #b42318;
  border-color: rgba(180, 35, 24, 0.22);
  background: rgba(254, 228, 226, 0.82);
}

.info-grid,
.prose-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.info-card,
.prose-card,
.contact-card {
  padding: 18px;
}

.info-card p,
.prose-card p,
.contact-card p,
.policy-content p {
  margin: 0;
  color: var(--color-muted);
}

.sub-page {
  padding-bottom: 64px;
}

.page-hero {
  padding: 64px 0 24px;
}

.page-hero h1 {
  margin-bottom: 16px;
}

.page-hero p:last-child {
  max-width: 780px;
  margin: 0;
  color: var(--color-muted);
  font-size: 1.06rem;
}

.policy-content {
  display: grid;
  gap: 14px;
}

.policy-content article {
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}

.policy-content h2 {
  margin-bottom: 8px;
  font-size: 1.18rem;
}

.contact-card-wide {
  grid-column: 1 / -1;
}

.site-footer {
  padding: 32px 0;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.7);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer a {
  color: var(--color-text);
  font-weight: 700;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.site-footer p {
  max-width: 560px;
  margin: 0;
  font-size: 0.88rem;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(24, 30, 42, 0.42);
  backdrop-filter: blur(8px);
}

.modal-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 860px);
  max-height: min(88vh, 820px);
  overflow: auto;
  padding: 22px;
  background: rgba(255, 255, 255, 0.96);
}

.modal-close {
  position: sticky;
  top: 0;
  z-index: 2;
  float: right;
  min-height: 36px;
  padding: 7px 12px;
  color: #ffffff;
  font-weight: 800;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--color-text);
}

.detail-header {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 18px;
  margin-bottom: 18px;
  clear: both;
}

.detail-header img {
  width: 132px;
  height: 132px;
  object-fit: cover;
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
}

.detail-header h2 {
  margin-bottom: 6px;
}

.detail-table {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.detail-field {
  padding: 10px 12px;
  border-radius: var(--radius-card);
  background: rgba(79, 124, 255, 0.08);
}

.detail-field span {
  display: block;
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.detail-field strong {
  display: block;
  margin-top: 2px;
}

.lyrics-section {
  margin-top: 20px;
}

.lyrics-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.lyrics-plain {
  margin: 12px 0 0;
  padding: 18px;
  overflow: auto;
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.98rem;
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: keep-all;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: rgba(247, 249, 252, 0.92);
}

.lyric-block {
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: rgba(247, 249, 252, 0.92);
}

.lyric-original,
.lyric-pronunciation,
.lyric-translation {
  margin: 0;
}

.lyric-original {
  color: var(--color-text);
  font-weight: 800;
}

.lyric-pronunciation {
  color: var(--color-primary-dark);
}

.lyric-translation {
  color: var(--color-muted);
}

@media (max-width: 980px) {
  .content-layout {
    grid-template-columns: 1fr;
  }

  .favorites-panel {
    position: static;
    order: 2;
  }

  .chart-list-header {
    display: none;
  }

  .chart-row {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .chart-row > .number-badge,
  .chart-row-actions {
    grid-column: 2;
  }

  .chart-row-actions {
    justify-content: flex-start;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 24px, var(--container));
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .site-nav a {
    padding: 7px 9px;
    font-size: 0.88rem;
  }

  .hero-section {
    padding: 44px 0 30px;
  }

  .search-form input {
    min-height: 56px;
    padding: 0 16px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .song-grid,
  .info-grid,
  .prose-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-card-wide {
    grid-column: auto;
  }

  .song-card {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 12px;
    padding: 13px;
  }

  .album-thumb {
    width: 76px;
    height: 76px;
  }

  .chart-actions {
    flex-direction: column;
  }

  .pagination-pages {
    max-width: 100%;
  }

  .detail-header,
  .detail-table {
    grid-template-columns: 1fr;
  }

  .detail-header img {
    width: 112px;
    height: 112px;
  }

  .modal {
    padding: 12px;
  }

  .modal-panel {
    padding: 16px;
  }
}