:root {
  --bg: #f3efe5;
  --paper: rgba(255, 252, 247, 0.88);
  --panel-border: rgba(68, 56, 38, 0.12);
  --text: #2d2418;
  --muted: #7a6b58;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --danger: #9f2d2d;
  --shadow: 0 18px 45px rgba(66, 46, 18, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.18), transparent 28%),
    radial-gradient(circle at left center, rgba(202, 138, 4, 0.18), transparent 26%),
    linear-gradient(180deg, #f9f5eb 0%, var(--bg) 100%);
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero {
  padding: 16px 4px 20px;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 0.98;
}

.hero-copy {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.05rem;
}

.panel {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: var(--paper);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.controls {
  position: static;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

label {
  font-size: 0.92rem;
  font-weight: 700;
}

input,
select {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid rgba(61, 47, 27, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  font-size: 1rem;
}

input:focus,
select:focus {
  outline: 2px solid rgba(15, 118, 110, 0.25);
  border-color: rgba(15, 118, 110, 0.35);
}

.toolbar,
.submit-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.submit-panel-top {
  margin-top: 12px;
}

.status-banner,
.feedback,
.selection-info,
.cooldown-banner {
  padding: 11px 14px;
  border-radius: 14px;
  background: rgba(17, 94, 89, 0.08);
  color: var(--accent-strong);
  font-weight: 600;
}

.cooldown-banner {
  margin-bottom: 12px;
  background: rgba(202, 138, 4, 0.14);
  color: #8c5a05;
}

#cooldownValue {
  font-variant-numeric: tabular-nums;
}

.status-banner.is-offline,
.feedback.is-error {
  background: rgba(159, 45, 45, 0.1);
  color: var(--danger);
}

.feedback.is-success {
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
}

button {
  cursor: pointer;
  border: none;
  border-radius: 999px;
  padding: 13px 18px;
  font-size: 0.98rem;
  font-weight: 700;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

.primary {
  background: linear-gradient(135deg, var(--accent) 0%, #0d9488 100%);
  color: #fff;
  box-shadow: 0 12px 24px rgba(13, 148, 136, 0.24);
}

.ghost {
  background: rgba(45, 36, 24, 0.08);
  color: var(--text);
}

.songs-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.song-card {
  animation: rise-in 0.22s ease both;
}

.song-card-button {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 10px 24px rgba(45, 36, 24, 0.08);
  text-align: left;
}

.song-card-button.is-selected {
  outline: 3px solid rgba(15, 118, 110, 0.55);
  box-shadow: 0 18px 32px rgba(15, 118, 110, 0.18);
}

.song-image-wrap {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(145deg, #f5efe0 0%, #d8ccb0 100%);
}

.song-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.song-image.is-hidden,
.hidden,
.song-placeholder.hidden {
  display: none;
}

.song-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  color: rgba(45, 36, 24, 0.58);
  font-weight: 700;
  font-size: 0.72rem;
  padding: 6px;
}

.song-meta {
  min-width: 0;
  padding: 0;
}

.song-style {
  display: inline-block;
  margin-bottom: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(202, 138, 4, 0.12);
  color: #8c5a05;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.song-title {
  margin: 0 0 4px;
  font-size: 1rem;
  line-height: 1.1;
}

.song-artist {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.song-select {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 104px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-strong);
  font-weight: 700;
}

.song-card-button.is-selected .song-select {
  background: rgba(15, 118, 110, 0.92);
  color: #fff;
}

.empty-state {
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 1rem;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

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

@media (max-width: 820px) {
  .field-row {
    grid-template-columns: 1fr;
  }

  .shell {
    width: min(100% - 18px, 1180px);
    padding-top: 18px;
  }

  .panel {
    padding: 14px;
    border-radius: 18px;
  }

  .hero h1 {
    line-height: 1.02;
  }

  .song-card-button {
    grid-template-columns: 58px 1fr;
    gap: 10px;
  }

  .song-image-wrap {
    width: 58px;
    height: 58px;
  }

  .song-select {
    grid-column: 1 / -1;
    width: 100%;
    margin-top: 2px;
    min-width: 0;
  }
}