@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Noto+Sans+KR:wght@200;300;400;500&display=swap');

/* ── 변수 ── */
:root {
    --bg-deep: #0a0a0f;
    --bg-card: #111118;
    --bg-card-hover: #16161f;
    --text-primary: #e8e4df;
    --text-secondary: #8a8690;
    --text-dim: #4a4650;
    --accent: #c4956a;
    --accent-dim: #6b5440;
    --border: #1e1e28;
    --border-light: #2a2a36;
}

/* ── 리셋 ── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: 'Noto Sans KR', sans-serif;
    font-weight: 300;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── 배경: 라일락 → 블랙 그라데이션 ── */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    background: linear-gradient(
        180deg,
        rgba(180, 140, 200, 0.25) 0%,
        rgba(140, 110, 170, 0.15) 20%,
        rgba(90, 70, 130, 0.10) 30%,
        rgba(40, 30, 60, 0.06) 50%,
        transparent 100%
    );
    pointer-events: none;
    z-index: 0;
}

/* ── 헤더 ── */
header {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 80px 20px 40px;
}

.title {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-size: clamp(3rem, 8vw, 6rem);
    letter-spacing: 0.15em;
    color: var(--text-primary);
    margin-bottom: 8px;
    opacity: 0;
    animation: fadeUp 1.2s ease forwards;
}

.subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 300;
    font-style: italic;
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--text-secondary);
    letter-spacing: 0.08em;
    opacity: 0;
    animation: fadeUp 1.2s ease 0.3s forwards;
}

.divider {
    width: 60px;
    height: 1px;
    background: var(--accent-dim);
    margin: 30px auto;
    opacity: 0;
    animation: fadeUp 1.2s ease 0.5s forwards;
}

.collection-count {
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeUp 1.2s ease 0.6s forwards;
}

/* ── 업로드 섹션 ── */
.upload-section {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto 50px;
    padding: 0 20px;
    opacity: 0;
    animation: fadeUp 1s ease 0.7s forwards;
}

.upload-area {
    border: 2px dashed var(--border-light);
    border-radius: 16px;
    padding: 48px 32px;
    text-align: center;
    transition: border-color 0.3s, background 0.3s;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--accent-dim);
    background: rgba(196, 149, 106, 0.03);
}

.upload-area.drag-over {
    border-color: var(--accent);
    background: rgba(196, 149, 106, 0.06);
    border-style: solid;
}

.upload-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.upload-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.upload-button {
    display: inline-block;
    padding: 10px 28px;
    background: transparent;
    border: 1px solid var(--accent-dim);
    border-radius: 100px;
    color: var(--accent);
    font-size: 0.82rem;
    font-family: 'Noto Sans KR', sans-serif;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: background 0.3s, border-color 0.3s;
}

.upload-button:hover {
    background: rgba(196, 149, 106, 0.08);
    border-color: var(--accent);
}

.upload-hint {
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-top: 12px;
}

/* 업로드 결과 */
.upload-result {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    animation: fadeUp 0.6s ease forwards;
}

.upload-result-image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #0d0d14;
}

.upload-result-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upload-result-palette {
    display: flex;
    height: 32px;
    border-top: 1px solid var(--border);
}

.upload-result-info {
    padding: 20px 24px;
    text-align: center;
}

.upload-mood-emoji {
    font-size: 2rem;
    display: block;
    margin-bottom: 10px;
}

.upload-mood-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.upload-reset {
    display: block;
    width: 100%;
    padding: 14px;
    background: transparent;
    border: none;
    border-top: 1px solid var(--border);
    color: var(--accent);
    font-size: 0.8rem;
    font-family: 'Noto Sans KR', sans-serif;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: background 0.3s;
}

.upload-reset:hover {
    background: rgba(196, 149, 106, 0.05);
}

/* ── 분위기 통계 ── */
.stats {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    padding: 10px 20px 50px;
    opacity: 0;
    animation: fadeUp 1s ease 0.8s forwards;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.8rem;
    transition: border-color 0.3s ease;
    cursor: pointer;
}

.stat-item:hover {
    border-color: var(--accent-dim);
}

.stat-item.active {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.stat-emoji {
    font-size: 1rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.stat-count {
    color: var(--accent);
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.1rem;
    font-weight: 600;
}

/* ── 갤러리 그리드 ── */
.gallery {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
    padding: 0 clamp(20px, 4vw, 60px) 80px;
    max-width: 1400px;
    margin: 0 auto;
}

/* ── 카드 ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
}

.card.hidden {
    display: none;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.card-image-wrap {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #0d0d14;
}

.card-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.card:hover .card-photo {
    transform: scale(1.03);
}

.no-photo {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 0.85rem;
}

.card-mood-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 15, 0.7);
    backdrop-filter: blur(8px);
    border-radius: 50%;
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ── 팔레트 바 ── */
.card-palette {
    display: flex;
    height: 32px;
    border-top: 1px solid var(--border);
}

.swatch {
    position: relative;
    min-width: 0;
    cursor: pointer;
    transition: opacity 0.2s;
}

.swatch:hover {
    opacity: 0.85;
}

.swatch-label {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: rgba(10, 10, 15, 0.92);
    color: var(--text-primary);
    font-size: 0.65rem;
    font-family: 'Courier New', monospace;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 10;
    border: 1px solid var(--border-light);
}

.swatch:hover .swatch-label {
    opacity: 1;
    transform: translateX(-50%) translateY(-4px);
}

/* ── 카드 정보 ── */
.card-info {
    padding: 16px 20px 20px;
}

.card-mood-text {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.card-meta {
    display: flex;
    gap: 16px;
}

.meta-item {
    font-size: 0.72rem;
    color: var(--text-dim);
    letter-spacing: 0.05em;
}

/* ── 푸터 ── */
footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px 20px 60px;
    border-top: 1px solid var(--border);
}

.footer-text {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-weight: 300;
    font-size: 1.1rem;
    color: var(--text-dim);
    letter-spacing: 0.05em;
}

/* ── 애니메이션 ── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── 반응형 ── */
@media (max-width: 420px) {
    .upload-area {
        padding: 36px 20px;
    }

    .gallery {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .stats {
        gap: 12px;
    }

    .card-palette {
        height: 24px;
    }

    header {
        padding: 50px 16px 30px;
    }
}