:root {
  --arirang-bg: #0f0b14;
  --arirang-surface: #191124;
  --arirang-surface-soft: #241736;
  --arirang-primary: #b17cff;
  --arirang-primary-strong: #9b5eff;
  --arirang-text: #ffffff;
  --arirang-text-soft: #d7cae9;
  --arirang-border: #3d2a58;
  --arirang-ok: #7af0b3;
  --arirang-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Outfit", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at top, #2f1a47 0%, var(--arirang-bg) 55%);
  color: var(--arirang-text);
}

.arirang-page {
  min-height: 100dvh;
  padding: 24px 16px 40px;
}

.arirang-wrap {
  max-width: 860px;
  margin: 0 auto;
  background: rgba(25, 17, 36, 0.95);
  border: 1px solid var(--arirang-border);
  border-radius: 18px;
  box-shadow: var(--arirang-shadow);
  padding: 24px;
}

.arirang-header h1 {
  font-size: clamp(1.7rem, 4.8vw, 2.4rem);
  line-height: 1.2;
  margin: 0 0 10px;
}

.arirang-badge {
  display: inline-block;
  margin: 0 0 12px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--arirang-surface-soft);
  color: var(--arirang-text-soft);
  border: 1px solid var(--arirang-border);
  font-weight: 600;
  font-size: 0.92rem;
}

.arirang-subtitle {
  margin: 0 0 24px;
  color: var(--arirang-text-soft);
  font-size: 1.05rem;
}

.arirang-form {
  display: grid;
  gap: 18px;
}

.arirang-field {
  display: grid;
  gap: 8px;
}

.arirang-field label {
  font-weight: 600;
}

.arirang-field input {
  width: 100%;
  min-height: 52px;
  border-radius: 12px;
  border: 1px solid var(--arirang-border);
  background: #100c17;
  color: var(--arirang-text);
  padding: 12px 14px;
  font-size: 1rem;
}

.arirang-field input:focus-visible,
.arirang-submit-btn:focus-visible,
.arirang-action-btn:focus-visible,
.arirang-audio-btn:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 2px;
}

.arirang-help {
  margin: 0;
  color: var(--arirang-text-soft);
  font-size: 0.95rem;
}

.arirang-songs {
  background: var(--arirang-surface);
  border: 1px solid var(--arirang-border);
  border-radius: 14px;
  padding: 14px;
}

.arirang-songs-head h2 {
  margin: 0;
  font-size: 1.2rem;
}

.arirang-songs-head p {
  margin: 6px 0 12px;
  color: var(--arirang-text-soft);
}

.arirang-song-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.arirang-song-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  background: #120d1d;
  border: 1px solid var(--arirang-border);
  border-radius: 12px;
  padding: 10px;
}

.arirang-handle {
  min-width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px dashed #705096;
  color: var(--arirang-text-soft);
  font-size: 1.2rem;
  cursor: grab;
  user-select: none;
}

.arirang-song-main {
  display: grid;
  gap: 8px;
}

.arirang-song-title {
  margin: 0;
  font-weight: 600;
}

.arirang-audio-btn,
.arirang-action-btn,
.arirang-submit-btn {
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
}

.arirang-audio-btn {
  min-height: 44px;
  padding: 10px 14px;
  background: #2d1a45;
  color: #fff;
  font-size: 0.95rem;
}

.arirang-controls {
  display: grid;
  gap: 8px;
}

.arirang-action-btn {
  width: 50px;
  min-height: 44px;
  font-size: 1.1rem;
  background: #f4efff;
  color: #1b112a;
}

.arirang-submit-btn {
  min-height: 56px;
  background: linear-gradient(180deg, var(--arirang-primary), var(--arirang-primary-strong));
  color: #13091f;
  font-size: 1.05rem;
  transition: transform 0.15s ease;
}

.arirang-submit-btn:hover {
  transform: translateY(-1px);
}

.arirang-success {
  margin-top: 16px;
  border: 1px solid #3f8061;
  background: rgba(20, 71, 47, 0.5);
  border-radius: 12px;
  color: var(--arirang-ok);
  padding: 14px;
  font-weight: 700;
  display: none;
}

.arirang-success.is-visible {
  display: block;
}

.arirang-field.is-error input {
  border-color: #ff8cab;
}

@media (max-width: 640px) {
  .arirang-wrap {
    padding: 18px;
  }

  .arirang-song-item {
    grid-template-columns: 1fr;
  }

  .arirang-controls {
    grid-template-columns: 1fr 1fr;
  }

  .arirang-action-btn {
    width: 100%;
  }
}