/* 파트별 악보 목록 (/parts/{melody,piano,band}) */

.part-page {
    padding: var(--space-4) 0 var(--space-10);
}

/* ═══════════════════════════════════════════════════
   본문 2단
   ═══════════════════════════════════════════════════ */
.part-layout {
    display: grid;
    grid-template-columns: 232px minmax(0, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-4);
    align-items: start;
}

/* ─── 왼쪽 파트 메뉴 ─── */
.part-side__heading {
    margin: 0 0 var(--space-4);
    padding-left: 2px;
    font-size: var(--text-md);
    font-weight: var(--font-bold);
    color: var(--gray-900);
    letter-spacing: -0.01em;
}

.part-side__nav { display: flex; flex-direction: column; }
.part-side__item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-bottom: 1px solid var(--gray-100);
    border-radius: 10px;
    color: var(--gray-600);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    text-decoration: none;
    transition: var(--transition-base);
}
.part-side__item img {
    width: 30px; height: 30px;
    object-fit: contain;
    opacity: 0.4;
    transition: var(--transition-base);
}
.part-side__item:hover { background: var(--gray-50); color: var(--gray-900); }
.part-side__item:hover img { opacity: 0.75; }

.part-side__item.is-active {
    background: var(--forest-muted);
    border-bottom-color: transparent;
    color: var(--forest-dark);
    font-weight: var(--font-bold);
}
.part-side__item.is-active img { opacity: 1; }
.part-side__item.is-active::before {
    content: '';
    position: absolute;
    left: 0; top: 10px; bottom: 10px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: var(--forest);
}


/* ═══════════════════════════════════════════════════
   오른쪽 본문 머리말 — 제목·설명·파트 내 검색을 한 줄에
   ═══════════════════════════════════════════════════ */
.part-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    margin-bottom: var(--space-3);
    border-radius: 12px;
    background: var(--forest-muted);
}


.part-head__icon {
    flex-shrink: 0;
    width: 44px; height: 44px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 1px 5px rgba(17, 24, 39, 0.06);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.part-head__icon img { width: 28px; height: 28px; object-fit: contain; display: block; }

.part-head__text { flex: 1; min-width: 0; }
.part-head__title {
    margin: 0 0 1px;
    font-size: 1.15rem;
    font-weight: var(--font-bold);
    color: var(--forest-dark);
    letter-spacing: -0.02em;
}
.part-head__desc {
    margin: 0;
    font-size: var(--text-xs);
    color: var(--gray-500);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* 파트 안에서만 찾는 검색 */
.part-search {
    position: relative;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    width: 280px;
}
.part-search input {
    width: 100%;
    height: 36px;
    padding: 0 74px 0 38px;
    border: 1px solid #d7e6d3;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.95);
    font-size: var(--text-sm);
    color: var(--gray-800);
    outline: none;
    transition: var(--transition-base);
}
.part-search input::placeholder { color: var(--gray-400); }
.part-search input:focus {
    border-color: var(--forest-light);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.14);
}
.part-search__icon {
    position: absolute;
    left: 15px;
    font-size: 0.85rem;
    color: var(--gray-400);
    pointer-events: none;
}
.part-search button {
    position: absolute;
    right: 5px;
    height: 30px;
    padding: 0 14px;
    border: 0;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--forest), var(--forest-dark));
    color: var(--white);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: var(--transition-base);
}
.part-search button:hover { filter: brightness(1.08); }
.part-search__clear {
    position: absolute;
    right: 76px;
    width: 18px; height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--gray-200);
    color: var(--gray-600);
    font-size: 13px;
    line-height: 1;
    text-decoration: none;
}
.part-search__clear:hover { background: var(--gray-300); color: var(--gray-800); }

/* 검색 결과 요약 */
.part-result {
    margin: 0 0 var(--space-3);
    font-size: var(--text-sm);
    color: var(--gray-600);
}
.part-result strong { color: var(--forest-dark); font-weight: var(--font-bold); }
.part-result__reset {
    margin-left: var(--space-2);
    color: var(--gray-500);
    font-size: var(--text-xs);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.part-result__reset:hover { color: var(--forest-dark); }


/* ═══════════════════════════════════════════════════
   곡 목록 테이블
   ═══════════════════════════════════════════════════ */
.song-table {
    --cols: minmax(0, 1fr) 170px 130px;
    border-top: 2px solid var(--gray-800);
}

.song-table__head {
    display: grid;
    grid-template-columns: var(--cols);
    align-items: center;
    padding: 13px 18px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--gray-500);
    letter-spacing: 0.02em;
}
.song-table__head span:not(:first-child) { text-align: center; }

.song-row {
    display: grid;
    grid-template-columns: var(--cols);
    align-items: center;
    padding: 14px 18px;
    border-bottom: 1px solid var(--gray-100);
    text-decoration: none;
    color: inherit;
    transition: background-color var(--transition-fast);
}
a.song-row:hover { background: #f7fbf6; }
a.song-row:hover .song-row__title { color: var(--forest-dark); }
a.song-row:hover .song-row__thumb img { transform: scale(1.06); }

/* 곡 정보 */
.song-row__song { display: flex; align-items: center; gap: 14px; min-width: 0; }
.song-row__thumb {
    width: 52px; height: 52px;
    flex-shrink: 0;
    border-radius: 10px;
    overflow: hidden;
    background: var(--gray-100);
    box-shadow: 0 1px 4px rgba(17, 24, 39, 0.10);
}
.song-row__thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}
.song-row__names { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.song-row__title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--gray-900);
    letter-spacing: -0.01em;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    transition: color var(--transition-fast);
}
.song-row__album {
    font-size: var(--text-xs);
    color: var(--gray-400);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.song-row__artist {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--gray-600);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    padding: 0 var(--space-2);
}

/* 보유 파트 — 이 곡에서 살 수 있는 파트 */
.song-row__parts {
    display: flex;
    justify-content: center;
    gap: 4px;
}
/* docs/BAND_PART_BADGE.md — B/P/M 은 모두 같은 그린 그라데이션 */
.part-badge {
    width: 24px; height: 24px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: var(--font-bold);
    color: var(--white);
    background: linear-gradient(135deg, var(--forest), var(--forest-dark));
    box-shadow: 0 1px 3px rgba(27, 94, 32, 0.28);
}



/* ═══════════════════════════════════════════════════
   빈 목록
   ═══════════════════════════════════════════════════ */
.part-empty {
    padding: var(--space-16) 0;
    text-align: center;
    color: var(--gray-500);
}
.part-empty i { font-size: 2rem; color: var(--gray-300); }
.part-empty p { margin: var(--space-4) 0 var(--space-5); font-size: var(--text-sm); }
.part-empty__link {
    display: inline-block;
    padding: 9px 20px;
    border-radius: var(--radius-full);
    background: var(--forest-muted);
    border: 1px solid #dfeddc;
    color: var(--forest-dark);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-decoration: none;
    transition: var(--transition-base);
}
.part-empty__link:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }

/* ═══════════════════════════════════════════════════
   반응형
   ═══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .part-layout { grid-template-columns: 200px minmax(0, 1fr); gap: var(--space-5); }
    .song-table { --cols: minmax(0, 1fr) 130px 112px; }
}

@media (max-width: 860px) {
    .part-layout { grid-template-columns: 1fr; }
    .part-head { flex-wrap: wrap; }
    .part-search { width: 100%; margin-top: 4px; }
    .part-side__nav { flex-direction: row; gap: var(--space-2); overflow-x: auto; }
    .part-side__item { border-bottom: none; border: 1px solid var(--gray-200); white-space: nowrap; }
    .part-side__item.is-active::before { display: none; }
    .part-side__item img { width: 24px; height: 24px; }
}

@media (max-width: 620px) {
    .part-head { padding: 10px 12px; gap: 10px; }
    .part-head__title { font-size: 1.05rem; }
    .part-head__desc { display: none; }


    /* 좁은 화면에서는 표를 카드처럼 접는다 */
    .song-table { --cols: minmax(0, 1fr) auto; border-top-width: 1px; }
    .song-table__head { display: none; }
    .song-row { padding: 12px 4px; gap: 10px; }
    .song-row__artist {
        grid-column: 1;
        grid-row: 2;
        text-align: left;
        padding: 0 0 0 66px;
        margin-top: -8px;
        font-size: var(--text-xs);
    }
    .song-row__parts { grid-column: 2; grid-row: 1; }
    .part-badge { width: 21px; height: 21px; font-size: 10px; }
}