/* ── 크라우니 뮤직 공통 디자인 토큰 & 컴포넌트 ──────────────────────────── */
/* SSOT: crowny.org 디자인 토큰 (글로벌 CLAUDE.md) */

/* ── 토큰 ── */
:root {
  /* 라이트 */
  --bg:       #FAF9F7;
  --panel:    #FFFFFF;
  --sidebar:  #F4F1ED;
  --text:     #1A1A1A;
  --text2:    #6B6B6B;
  --border:   #E5E2DD;
  --gold:     #C9A961;
  --gold-dim: #A08840;
  --coral:    #D4743A;

  /* 간격 */
  --r-sm:  6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;

  /* 최대 너비 */
  --max-w: 640px;

  /* 터치 최소 크기 */
  --touch: 44px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:      #0A0908;
    --panel:   #1A1916;
    --sidebar: #221F1B;
    --text:    #F4E9D8;
    --text2:   #9B9388;
    --border:  #2E2B25;
  }
}

/* ── 리셋 & 기반 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Pretendard', 'Söhne', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; }
button { font-family: inherit; }

/* ── 레이아웃 ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 16px;
}

/* ── 버튼 ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: var(--touch);
  min-width: var(--touch);
  padding: 0 18px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--r-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.12s, transform 0.1s;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary {
  background: var(--gold);
  color: #fff;
}
.btn-primary:hover { background: var(--gold-dim); }

.btn-secondary {
  background: var(--sidebar);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--gold); }

.btn-ghost {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--text2); }

.btn-coral {
  background: var(--coral);
  color: #fff;
}

/* ── 카드 ── */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 20px;
}

.card-sm {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px;
}

/* ── 폼 ── */
.input {
  width: 100%;
  min-height: var(--touch);
  padding: 10px 14px;
  font-size: 16px;
  font-family: inherit;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  outline: none;
  transition: border-color 0.12s;
  -webkit-appearance: none;
}
.input:focus { border-color: var(--gold); }
.input::placeholder { color: var(--text2); }

.label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 6px;
}

/* ── 배지 ── */
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}
.badge-gold  { background: var(--gold);   color: #fff; }
.badge-coral { background: var(--coral);  color: #fff; }
.badge-muted { background: var(--sidebar); color: var(--text2); border: 1px solid var(--border); }
.badge-live  { background: rgba(34,197,94,0.13); color: rgb(22,163,74); border: 1px solid rgba(134,239,172,0.27); }

/* ── 트랙 아이템 (플레이어) ── */
.track-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--r-md);
  min-height: var(--touch);
  cursor: pointer;
  transition: background 0.1s;
  -webkit-tap-highlight-color: transparent;
}
.track-row:hover, .track-row:focus { background: var(--sidebar); outline: none; }
.track-row.playing { background: rgba(201,169,97,0.1); }

.track-cover {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--sidebar);
  flex-shrink: 0;
  object-fit: cover;
}

.track-meta { flex: 1; min-width: 0; }
.track-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.track-sub {
  font-size: 12px;
  color: var(--text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-dur {
  font-size: 12px;
  color: var(--text2);
  flex-shrink: 0;
}

/* ── 플레이 버튼 ── */
.play-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--gold);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.12s, transform 0.1s;
}
.play-btn:active { transform: scale(0.92); }
.play-btn:hover  { background: var(--gold-dim); }

/* ── 하단 플레이어 바 ── */
.player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--panel);
  border-top: 1px solid var(--border);
  padding: 10px 16px 12px;
  display: none;
  z-index: 200;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.player-bar.visible { display: block; }

.player-bar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.player-progress {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
}
.player-progress-fill {
  height: 100%;
  background: var(--gold);
  width: 0;
  transition: width 0.3s linear;
}

/* ── 섹션 헤더 ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.section-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}
.section-more {
  font-size: 13px;
  color: var(--gold);
  text-decoration: none;
  font-weight: 500;
}

/* ── 그리드 ── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

/* ── 스켈레톤 로딩 ── */
@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
.skeleton {
  background: var(--sidebar);
  border-radius: 6px;
  animation: skeleton-pulse 1.6s ease-in-out infinite;
}

/* ── 에러/빈 상태 ── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text2);
  font-size: 14px;
}
.empty-state-icon {
  font-size: 36px;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* ── 토스트 알림 ── */
#toast-container {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  width: min(calc(100vw - 32px), 360px);
}
.toast {
  background: var(--text);
  color: var(--bg);
  font-size: 13px;
  padding: 10px 16px;
  border-radius: var(--r-md);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ── 유틸리티 ── */
.text-gold  { color: var(--gold); }
.text-coral { color: var(--coral); }
.text-muted { color: var(--text2); }
.fw-6 { font-weight: 600; }
.fw-7 { font-weight: 700; }
.fs-sm { font-size: 13px; }
.fs-xs { font-size: 11px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.flex  { display: flex; }
.items-center { align-items: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }