:root {
  color-scheme: light;
  --display-font: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --body-font: "Avenir Next", "Segoe UI", "Trebuchet MS", sans-serif;
  --bg: #e9e3d8;
  --landscape-wash-a: rgba(92, 150, 153, 0.18);
  --landscape-wash-b: rgba(194, 169, 130, 0.16);
  --landscape-wash-c: rgba(91, 112, 134, 0.14);
  --surface: rgba(253, 250, 245, 0.78);
  --surface-strong: rgba(255, 252, 248, 0.9);
  --surface-border: rgba(21, 52, 61, 0.12);
  --text: #17343c;
  --muted: #637773;
  --deep-ocean: #15343d;
  --ocean: #2d6971;
  --ocean-soft: rgba(45, 105, 113, 0.12);
  --sand: #c7b193;
  --sand-soft: rgba(199, 177, 147, 0.2);
  --clay: #ba6b4f;
  --clay-soft: rgba(186, 107, 79, 0.14);
  --success: #2d6b58;
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --shadow-lg: 0 24px 70px rgba(17, 41, 47, 0.14);
  --shadow-sm: 0 10px 30px rgba(17, 41, 47, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--body-font);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(137, 178, 175, 0.34), transparent 38%),
    radial-gradient(circle at 85% 12%, rgba(199, 177, 147, 0.34), transparent 32%),
    linear-gradient(180deg, #f1ece4 0%, var(--bg) 100%);
  transition: background 700ms ease, color 300ms ease;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-backdrop {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.page-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(15, 37, 45, 0), rgba(15, 37, 45, 0.06) 42%, rgba(15, 37, 45, 0.12)),
    radial-gradient(circle at 50% 50%, rgba(255, 252, 246, 0.12), transparent 62%);
  opacity: 0;
  transition: opacity 600ms ease;
}

.page-backdrop::before {
  content: "";
  position: absolute;
  inset: -12%;
  background:
    radial-gradient(circle at 22% 24%, rgba(110, 170, 174, 0.18), transparent 26%),
    radial-gradient(circle at 72% 28%, rgba(205, 180, 141, 0.18), transparent 30%),
    radial-gradient(circle at 54% 78%, rgba(114, 134, 155, 0.14), transparent 28%);
  opacity: 0;
  filter: blur(18px);
  transform: scale(1.06);
  transition: opacity 600ms ease, transform 1200ms ease;
}

.landscape-atmosphere {
  position: absolute;
  inset: -10%;
  width: 120%;
  height: 120%;
  background:
    radial-gradient(circle at 18% 30%, rgba(117, 176, 179, 0.12), transparent 24%),
    radial-gradient(circle at 82% 38%, rgba(208, 184, 143, 0.1), transparent 26%),
    radial-gradient(circle at 46% 74%, rgba(119, 140, 160, 0.08), transparent 30%);
  background-size: 120% 120%;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 600ms ease, transform 900ms ease;
  mix-blend-mode: screen;
}

.backdrop-gradient {
  position: absolute;
  border-radius: 999px;
  filter: blur(16px);
  opacity: 0.65;
  transition: opacity 500ms ease, transform 900ms ease, background-color 800ms ease;
}

.gradient-a {
  top: 5%;
  left: -8%;
  width: 18rem;
  height: 18rem;
  background: rgba(63, 130, 134, 0.22);
}

.gradient-b {
  top: 30%;
  right: -10%;
  width: 22rem;
  height: 22rem;
  background: rgba(186, 107, 79, 0.18);
}

.gradient-c {
  bottom: -10%;
  left: 28%;
  width: 20rem;
  height: 20rem;
  background: rgba(199, 177, 147, 0.24);
}

body.landscape-atmosphere-active {
  background:
    radial-gradient(circle at 14% 18%, var(--landscape-wash-a), transparent 34%),
    radial-gradient(circle at 83% 24%, var(--landscape-wash-b), transparent 36%),
    radial-gradient(circle at 48% 74%, var(--landscape-wash-c), transparent 34%),
    linear-gradient(130deg, #10272e 0%, #16353d 42%, #1e4548 100%);
}

body.landscape-atmosphere-active .page-backdrop::after {
  opacity: 1;
}

body.landscape-atmosphere-active .page-backdrop::before {
  opacity: 1;
  transform: scale(1);
}

body.landscape-atmosphere-active .landscape-atmosphere {
  opacity: 0.92;
  transform: scale(1);
}

body.landscape-atmosphere-active .backdrop-gradient {
  opacity: 0.22;
  transform: scale(1.18);
}

body.landscape-atmosphere-active .gradient-a {
  background: rgba(92, 150, 153, 0.16);
}

body.landscape-atmosphere-active .gradient-b {
  background: rgba(182, 142, 109, 0.14);
}

body.landscape-atmosphere-active .gradient-c {
  background: rgba(95, 124, 146, 0.16);
}

.app-shell {
  position: relative;
  width: min(1180px, calc(100% - 1.5rem));
  margin: 0 auto;
  padding: 1rem 0 2rem;
  z-index: 1;
}

.panel {
  position: relative;
  overflow: hidden;
  margin-bottom: 1rem;
  padding: 1.15rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
  animation: rise-in 420ms ease both;
}

body.landscape-atmosphere-active .panel {
  background: rgba(252, 248, 240, 0.68);
  border-color: rgba(255, 250, 243, 0.2);
  box-shadow: 0 24px 68px rgba(9, 25, 31, 0.22);
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent 55%);
  pointer-events: none;
}

.hero {
  padding: 1.5rem;
  background:
    linear-gradient(135deg, rgba(253, 251, 246, 0.95), rgba(244, 237, 226, 0.78)),
    var(--surface);
  box-shadow: var(--shadow-lg);
}

body.landscape-atmosphere-active .hero {
  background:
    linear-gradient(135deg, rgba(252, 248, 241, 0.78), rgba(240, 232, 220, 0.54)),
    rgba(255, 255, 255, 0.1);
}

.eyebrow,
.section-kicker,
.ambience-category {
  margin: 0 0 0.35rem;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ocean);
}

.hero h1,
.section-heading h2,
.current-track h3,
.detail-title,
.track-title,
.ambience-title {
  font-family: var(--display-font);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.3rem, 8vw, 4.8rem);
  line-height: 0.95;
}

.subtitle {
  margin: 0.65rem 0 0;
  max-width: 32rem;
  font-size: 1.05rem;
  color: var(--deep-ocean);
}

.hero-copy {
  margin: 1rem 0 1.2rem;
  max-width: 44rem;
  line-height: 1.65;
  color: var(--muted);
}

.hero-points {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--deep-ocean);
}

.hero-points li::before {
  content: "";
  position: absolute;
  top: 0.48rem;
  left: 0;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--clay);
  box-shadow: 0 0 0 0.22rem rgba(186, 107, 79, 0.14);
}

.layout {
  display: grid;
  gap: 1rem;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.45rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(21, 52, 61, 0.09);
  color: var(--deep-ocean);
  font-size: 0.84rem;
  white-space: nowrap;
}

.pill.subtle {
  background: rgba(45, 105, 113, 0.09);
  color: var(--ocean);
}

.label {
  margin: 0 0 0.28rem;
  color: var(--muted);
  font-size: 0.84rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.support,
.detail-description {
  margin: 0;
  line-height: 1.65;
  color: var(--muted);
}

.current-track {
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  border: 1px solid rgba(21, 52, 61, 0.08);
}

.current-track h3 {
  margin: 0;
  font-size: 1.55rem;
}

.transport-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 1rem 0;
}

.compact-row {
  margin-top: 0.85rem;
}

.button {
  min-height: 3.15rem;
  padding: 0.85rem 1rem;
  border: 0;
  border-radius: 999px;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.button:not(:disabled):hover,
.button:not(:disabled):focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--deep-ocean), var(--ocean));
  color: #f7f5f1;
  box-shadow: 0 16px 32px rgba(21, 52, 61, 0.18);
}

.button-secondary {
  background: var(--sand-soft);
  color: var(--deep-ocean);
}

.button-ghost {
  background: rgba(21, 52, 61, 0.06);
  color: var(--deep-ocean);
}

.slider-group {
  margin-top: 0.9rem;
}

.slider-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.55rem;
}

input[type="search"],
input[type="range"] {
  width: 100%;
}

input[type="search"] {
  min-height: 3.2rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(21, 52, 61, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--text);
}

input[type="search"]:focus-visible,
input[type="range"]:focus-visible,
.button:focus-visible,
.toggle input:focus-visible + span {
  outline: 2px solid rgba(186, 107, 79, 0.55);
  outline-offset: 2px;
}

input[type="range"] {
  accent-color: var(--clay);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
}

.status-value {
  margin: 0;
  font-size: 1rem;
  color: var(--deep-ocean);
}

.status-message {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: 18px;
  background: rgba(45, 105, 113, 0.08);
  color: var(--deep-ocean);
  line-height: 1.5;
}

.status-message.error {
  background: rgba(186, 107, 79, 0.12);
  color: #84432c;
}

.search-block {
  margin-bottom: 1rem;
}

.search-block label {
  display: inline-block;
  margin-bottom: 0.45rem;
  color: var(--deep-ocean);
}

.card-grid,
.ambience-list {
  display: grid;
  gap: 0.85rem;
}

.track-card,
.ambience-card {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(21, 52, 61, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.track-card.is-selected,
.ambience-card.is-selected {
  border-color: rgba(45, 105, 113, 0.34);
  box-shadow: 0 14px 28px rgba(45, 105, 113, 0.12);
}

.track-card.is-playing,
.ambience-card.is-playing {
  border-color: rgba(186, 107, 79, 0.36);
  background: rgba(255, 252, 248, 0.86);
  box-shadow: 0 16px 32px rgba(186, 107, 79, 0.14);
}

.track-card:hover,
.ambience-card:hover {
  transform: translateY(-1px);
}

.card-top,
.ambience-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.track-title,
.ambience-title {
  margin: 0;
  font-size: 1.2rem;
}

.card-description {
  margin: 0;
  line-height: 1.6;
  color: var(--muted);
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.card-button {
  min-height: 2.75rem;
  padding: 0.7rem 0.85rem;
  border: 0;
  border-radius: 16px;
  background: rgba(21, 52, 61, 0.07);
  color: var(--deep-ocean);
}

.card-button.primary {
  background: rgba(21, 52, 61, 0.92);
  color: #f7f5f1;
}

.card-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.state-tag,
.asset-state {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 1.85rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.76rem;
  background: rgba(45, 105, 113, 0.1);
  color: var(--ocean);
}

.state-tag.live {
  background: rgba(186, 107, 79, 0.12);
  color: #8f4a2d;
}

.asset-state.missing {
  background: rgba(186, 107, 79, 0.14);
  color: #8a472d;
}

.toggle-card {
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  border: 1px solid rgba(21, 52, 61, 0.08);
}

.toggle {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--deep-ocean);
  font-weight: 600;
}

.toggle input {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--ocean);
}

.detail-title {
  margin: 0 0 0.45rem;
  font-size: 1.7rem;
}

.detail-grid {
  display: grid;
  gap: 0.85rem;
  margin: 1.15rem 0 0;
}

.detail-grid div {
  padding: 0.95rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(21, 52, 61, 0.08);
}

.detail-grid dt {
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.detail-grid dd {
  margin: 0;
  color: var(--deep-ocean);
  line-height: 1.55;
}

.empty-state {
  margin: 1rem 0 0;
  padding: 1rem;
  border-radius: var(--radius-lg);
  background: rgba(45, 105, 113, 0.08);
  color: var(--deep-ocean);
}

.footer-note {
  margin-bottom: 0;
  background: rgba(255, 252, 248, 0.74);
}

.footer-note p {
  margin: 0;
  line-height: 1.6;
  color: var(--muted);
}

@keyframes landscape-breathe {
  0% {
    opacity: 0.78;
    transform: scale(1) translate3d(0, 0, 0);
  }

  50% {
    opacity: 1;
    transform: scale(1.06) translate3d(0.5%, -0.8%, 0);
  }

  100% {
    opacity: 0.82;
    transform: scale(1.02) translate3d(-0.6%, 0.7%, 0);
  }
}

@keyframes cloud-drift-a {
  0% {
    transform: translate3d(-3%, 1%, 0) scale(1);
  }

  50% {
    transform: translate3d(2%, -2%, 0) scale(1.08);
  }

  100% {
    transform: translate3d(4%, 1%, 0) scale(1.02);
  }
}

@keyframes cloud-drift-b {
  0% {
    transform: translate3d(3%, -1%, 0) scale(1.04);
  }

  50% {
    transform: translate3d(-2%, 2%, 0) scale(0.98);
  }

  100% {
    transform: translate3d(-4%, -1%, 0) scale(1.08);
  }
}

@keyframes wind-shift {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 42%;
  }

  100% {
    background-position: 0% 58%;
  }
}

@media (orientation: landscape) and (pointer: coarse) and (max-height: 600px) {
  body {
    background:
      radial-gradient(circle at 14% 18%, rgba(92, 150, 153, 0.24), transparent 34%),
      radial-gradient(circle at 83% 24%, rgba(194, 169, 130, 0.22), transparent 36%),
      radial-gradient(circle at 48% 74%, rgba(91, 112, 134, 0.18), transparent 34%),
      linear-gradient(130deg, #10272e 0%, #16353d 42%, #1e4548 100%);
  }

  .page-backdrop::after {
    opacity: 1;
    animation: landscape-breathe 18s ease-in-out infinite;
  }

  .page-backdrop::before {
    opacity: 1;
    transform: scale(1);
    animation: cloud-drift-a 22s ease-in-out infinite alternate;
  }

  .landscape-atmosphere {
    opacity: 0.68;
    transform: scale(1);
    animation: wind-shift 26s ease-in-out infinite;
  }

  .backdrop-gradient {
    opacity: 0.34;
    filter: blur(38px);
  }

  .gradient-a {
    animation: cloud-drift-a 24s ease-in-out infinite alternate;
  }

  .gradient-b {
    animation: cloud-drift-b 28s ease-in-out infinite alternate;
  }

  .gradient-c {
    animation: cloud-drift-a 32s ease-in-out infinite alternate-reverse;
  }

  .app-shell {
    width: min(100%, calc(100% - 1rem));
    padding-top: 0.5rem;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .ambience-list {
    grid-template-columns: 1fr;
  }

  .details-panel {
    position: static;
    grid-column: auto;
    grid-row: auto;
  }

  .panel {
    margin-bottom: 0.75rem;
    padding: 0.95rem;
    background: rgba(252, 248, 240, 0.7);
    border-color: rgba(255, 250, 243, 0.2);
    box-shadow: 0 20px 54px rgba(9, 25, 31, 0.22);
  }

  .hero {
    padding: 1rem;
    background:
      linear-gradient(135deg, rgba(252, 248, 241, 0.8), rgba(240, 232, 220, 0.58)),
      rgba(255, 255, 255, 0.1);
  }

  .hero h1 {
    font-size: clamp(2rem, 7vw, 3.4rem);
  }

  .hero-copy,
  .hero-points {
    display: none;
  }

  .transport-row,
  .card-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (orientation: landscape) and (max-height: 560px) {
  .hero {
    padding: 1.2rem;
  }

  .hero-copy {
    max-width: 38rem;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 700px) and (min-height: 700px) {
  .app-shell {
    width: min(1220px, calc(100% - 2rem));
    padding-top: 1.2rem;
  }

  .panel {
    padding: 1.3rem;
  }

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

  .ambience-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) and (min-height: 760px) {
  .layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.9fr);
    align-items: start;
  }

  .player-panel,
  .browser-panel,
  .ambience-panel {
    grid-column: 1;
  }

  .details-panel {
    grid-column: 2;
    grid-row: 1 / span 3;
    position: sticky;
    top: 1rem;
  }
}

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

  .panel,
  .track-card,
  .ambience-card,
  .button {
    animation: none;
    transition: none;
  }

  body,
  .page-backdrop::after,
  .page-backdrop::before,
  .landscape-atmosphere,
  .backdrop-gradient {
    transition: none;
  }

  .page-backdrop::after,
  .page-backdrop::before,
  .landscape-atmosphere,
  .gradient-a,
  .gradient-b,
  .gradient-c {
    animation: none;
  }
}