:root {
  color-scheme: dark;
  --library-bg: #07090c;
  --library-surface: rgba(14, 18, 23, 0.88);
  --library-surface-strong: rgba(22, 28, 34, 0.95);
  --library-ink: #f7f5ea;
  --library-muted: rgba(247, 245, 234, 0.66);
  --library-line: rgba(247, 245, 234, 0.15);
  --library-cyan: #6ee7f8;
  --library-pink: #ff75b7;
  --library-green: #a4f08a;
  --library-gold: #ffd166;
  --library-red: #ff8a7a;
  --library-shadow: 0 18px 70px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--library-bg);
}

body {
  margin: 0;
  min-height: 100vh;
  padding-bottom: 124px;
  background:
    linear-gradient(90deg, rgba(110, 231, 248, 0.08), transparent 34%, rgba(255, 117, 183, 0.07)),
    linear-gradient(160deg, #07090c 0%, #111820 48%, #090b0f 100%);
  color: var(--library-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

.library-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1480px, calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  padding: 12px 0;
  backdrop-filter: blur(18px);
}

.library-brand {
  display: inline-flex;
  align-items: center;
  min-width: max-content;
  gap: 10px;
  color: var(--library-ink);
  font-size: 14px;
  font-weight: 950;
  text-decoration: none;
  text-transform: uppercase;
}

.library-brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.library-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.library-nav a,
.library-button {
  min-height: 40px;
  border: 1px solid var(--library-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--library-ink);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.1;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.library-nav a {
  display: inline-flex;
  align-items: center;
  padding: 10px 12px;
}

.library-nav a:hover,
.library-button:hover,
.library-button.is-active {
  border-color: var(--library-cyan);
  background: var(--library-cyan);
  color: #071015;
}

.library-shell {
  width: min(1480px, calc(100% - 32px));
  margin: 0 auto;
}

.library-titlebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
  gap: 18px;
  align-items: end;
  padding: 22px 0 18px;
}

.library-kicker {
  margin: 0 0 7px;
  color: var(--library-cyan);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

.library-titlebar h1,
.library-panel h2,
.library-now h2,
.library-track-copy strong,
.library-playlist-card strong,
.library-system-card strong,
.library-statbar strong {
  margin: 0;
  letter-spacing: 0;
}

.library-titlebar h1 {
  font-size: clamp(36px, 5.8vw, 82px);
  line-height: 0.92;
}

.library-statbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.library-statbar article {
  min-height: 82px;
  border: 1px solid var(--library-line);
  border-radius: 8px;
  padding: 13px;
  background: rgba(255, 255, 255, 0.05);
}

.library-statbar strong {
  display: block;
  color: var(--library-ink);
  font-size: 30px;
  line-height: 1;
}

.library-statbar span {
  display: block;
  margin-top: 8px;
  color: var(--library-muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.library-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(380px, 1.34fr) minmax(320px, 0.9fr);
  gap: 16px;
  align-items: start;
}

.library-panel {
  min-width: 0;
  border: 1px solid var(--library-line);
  border-radius: 8px;
  background: var(--library-surface);
  box-shadow: var(--library-shadow);
  padding: 16px;
}

.library-panel--rail,
.library-panel--active {
  position: sticky;
  top: 92px;
}

.library-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.library-panel__head--tight {
  margin-bottom: 10px;
}

.library-panel h2 {
  color: var(--library-ink);
  font-size: 20px;
  line-height: 1.1;
}

.library-muted,
.library-now p,
.library-track-copy span,
.library-playlist-card span,
.library-system-card span,
.library-empty {
  color: var(--library-muted);
}

.library-muted {
  margin: 5px 0 0;
  font-size: 13px;
}

.library-actions,
.library-inline {
  display: flex;
  align-items: center;
  gap: 8px;
}

.library-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.library-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 12px;
}

.library-button--primary {
  border-color: rgba(164, 240, 138, 0.7);
  background: var(--library-green);
  color: #071205;
}

.library-button--danger:hover {
  border-color: var(--library-red);
  background: var(--library-red);
  color: #180807;
}

.library-button[disabled] {
  cursor: not-allowed;
  opacity: 0.52;
}

.library-button[disabled]:hover {
  border-color: var(--library-line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--library-ink);
}

.library-form,
.library-import,
.library-mini-list,
.library-playlist-list,
.library-system-grid,
.library-track-list {
  display: grid;
  gap: 10px;
}

.library-form,
.library-import {
  margin-top: 16px;
}

.library-label {
  display: block;
  margin: 12px 0 7px;
  color: var(--library-gold);
  font-size: 11px;
  font-weight: 950;
  text-transform: uppercase;
}

.library-input,
.library-select,
.library-search,
.library-textarea,
.library-file {
  width: 100%;
  border: 1px solid var(--library-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--library-ink);
}

.library-input,
.library-select,
.library-search,
.library-file {
  min-height: 42px;
  padding: 10px 12px;
}

.library-select option {
  background: #111820;
  color: var(--library-ink);
}

.library-search {
  max-width: 260px;
}

.library-textarea {
  min-height: 118px;
  resize: vertical;
  padding: 11px 12px;
  line-height: 1.45;
}

.library-input::placeholder,
.library-search::placeholder,
.library-textarea::placeholder {
  color: rgba(247, 245, 234, 0.45);
}

.library-system-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 12px;
}

.library-system-card,
.library-playlist-card,
.library-track-row,
.library-empty {
  border: 1px solid var(--library-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.library-system-card,
.library-playlist-card {
  width: 100%;
  min-height: 82px;
  padding: 12px;
  color: inherit;
  text-align: left;
}

.library-system-card strong,
.library-playlist-card strong {
  display: block;
  color: var(--library-ink);
  font-size: 14px;
  overflow-wrap: anywhere;
}

.library-system-card span,
.library-playlist-card span {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.35;
}

.library-system-card.is-active,
.library-playlist-card.is-active {
  border-color: var(--library-pink);
  background: rgba(255, 117, 183, 0.18);
}

.library-track-list {
  max-height: 840px;
  overflow: auto;
  padding-right: 4px;
}

.library-track-list--compact {
  max-height: 620px;
}

.library-track-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 10px;
}

.library-track-row img,
.library-now img {
  object-fit: cover;
  border: 1px solid var(--library-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.library-track-row img {
  width: 62px;
  height: 62px;
}

.library-track-copy {
  min-width: 0;
}

.library-track-copy strong,
.library-track-copy span {
  display: block;
  overflow-wrap: anywhere;
}

.library-track-copy strong {
  color: var(--library-ink);
  font-size: 14px;
}

.library-track-copy span {
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.35;
}

.library-track-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  flex-wrap: wrap;
}

.library-mini-list {
  max-height: 230px;
  overflow: auto;
}

.library-mini-list .library-track-row {
  grid-template-columns: 44px minmax(0, 1fr) auto;
  padding: 8px;
}

.library-mini-list .library-track-row img {
  width: 44px;
  height: 44px;
}

.library-mini-list .library-button {
  min-height: 34px;
  padding: 7px 9px;
}

.library-now {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 122px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--library-line);
}

.library-now img {
  width: 96px;
  height: 96px;
}

.library-now h2 {
  color: var(--library-ink);
  font-size: 22px;
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.library-now p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.4;
}

.library-audio {
  width: 100%;
  margin-top: 16px;
}

.library-status {
  position: fixed;
  left: 50%;
  bottom: 116px;
  z-index: 10002;
  width: min(520px, calc(100% - 32px));
  transform: translateX(-50%);
  border: 1px solid rgba(255, 209, 102, 0.48);
  border-radius: 8px;
  background: rgba(8, 12, 16, 0.96);
  color: var(--library-ink);
  padding: 12px 14px;
  box-shadow: 0 18px 70px rgba(0, 0, 0, 0.42);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.library-empty {
  padding: 14px;
  font-size: 13px;
  line-height: 1.45;
}

@media (max-width: 1180px) {
  .library-layout,
  .library-titlebar {
    grid-template-columns: 1fr;
  }

  .library-panel--rail,
  .library-panel--active {
    position: static;
  }
}

@media (max-width: 760px) {
  body {
    padding-bottom: 150px;
  }

  .library-topbar {
    align-items: flex-start;
    flex-direction: column;
    width: min(100% - 24px, 1480px);
  }

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

  .library-shell {
    width: min(100% - 24px, 1480px);
  }

  .library-statbar,
  .library-system-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .library-panel__head {
    align-items: flex-start;
    flex-direction: column;
  }

  .library-actions,
  .library-inline,
  .library-track-actions {
    justify-content: stretch;
    width: 100%;
  }

  .library-button,
  .library-input,
  .library-select,
  .library-search {
    width: 100%;
  }

  .library-track-row {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .library-track-row img {
    width: 56px;
    height: 56px;
  }

  .library-track-actions {
    grid-column: 1 / -1;
  }
}

@media (max-width: 460px) {
  .library-statbar {
    grid-template-columns: 1fr 1fr;
  }

  .library-titlebar h1 {
    font-size: 34px;
  }

  .library-now {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .library-now img {
    width: 72px;
    height: 72px;
  }
}