@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root {
    --bg-color: #ffffff; /* 背景を白に */
    --text-primary: rgba(0, 0, 0, 0.75); /* 文字を75%グレーに */
    --text-secondary: rgba(0, 0, 0, 0.45); /* サブテキストはもう少し薄く */
    --accent-1: #8b5cf6;
    --accent-2: #ec4899;
    --glass-bg: rgba(255, 255, 255, 0.6); /* 白背景用のすりガラス */
    --glass-border: rgba(0, 0, 0, 0.08); /* 枠線も黒ベースの薄い透明へ反転 */
    --heart-color: #f43f5e;
    --shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.08); /* 明るいデザイン用の爽やかな影 */
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Outfit', 'Noto Sans JP', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

/* 魅力的な背景エフェクト（白背景用に調整） */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: #f8fafc; /* 真っ白よりわずかに青みがかった爽やかなベース */
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3; /* 明るい背景なので少し薄めに */
    animation: drift 20s infinite alternate ease-in-out;
}

.glow-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--accent-1) 0%, transparent 70%);
}

.glow-2 {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--accent-2) 0%, transparent 70%);
}

.glow-3 {
    top: 40%;
    left: 40%;
    width: 30vw;
    height: 30vw;
    background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
    animation-duration: 30s;
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 50px) scale(1.2); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ヘッダー */
header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    /* 白背景用にタイトルの文字色グラデーションもダーク系へ */
    background: linear-gradient(135deg, #1e293b, #475569);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

nav {
    display: inline-flex;
    background: rgba(255, 255, 255, 0.5); /* 明るいナビゲーション */
    padding: 0.5rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05); /* 軽い影で浮かせる */
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.8rem 1.5rem;
    border-radius: 40px;
    font-size: 1rem;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    color: var(--text-primary);
}

.nav-btn.active {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: white;
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
}

/* ビューの切り替え */
.view {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ギャラリーグリッド */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* グラスモーフィズムカード */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
    border-color: rgba(0, 0, 0, 0.15); /* ホバー時は少し輪郭を濃く */
}

.image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
    cursor: zoom-in;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.card:hover .image-wrapper img {
    transform: scale(1.05);
}

/* 写真のタイプバッジ */
.photo-type {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 10;
}
.type-none {
    background: rgba(16, 185, 129, 0.85); /* エメラルドグリーン */
}
.type-edited {
    background: rgba(59, 130, 246, 0.85); /* ブルー */
}
.type-ai {
    background: rgba(139, 92, 246, 0.85); /* パープル */
}

.card-info {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.photo-meta h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.photo-meta p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* いいねボタン */
.like-btn {
    background: rgba(0, 0, 0, 0.03); /* 白背景用にボタンも黒透明ベース */
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.like-btn i {
    color: var(--text-secondary);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.like-btn:hover {
    background: rgba(0, 0, 0, 0.08); /* ホバー時 */
}

/* いいねされた状態 */
.like-btn.liked {
    background: rgba(244, 63, 94, 0.1);
    border-color: rgba(244, 63, 94, 0.3);
}

.like-btn.liked i {
    color: var(--heart-color);
    transform: scale(1.2);
}

/* ポップアニメーション */
@keyframes heartPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.4); }
    100% { transform: scale(1.2); }
}

.like-btn.animating i {
    animation: heartPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

/* 集計ページ */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.glass-panel h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    color: var(--text-primary); /* 白背景用の文字色 */
}

.result-item {
    margin-bottom: 1.5rem;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.result-title {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.thumbnail {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.result-score {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-1);
}

.progress-track {
    width: 100%;
    height: 12px;
    background: rgba(0, 0, 0, 0.08); /* 白背景用に明るく */
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    border-radius: 10px;
    width: 0%;
    transition: width 1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* トップ1の特別装飾 */
.result-item:first-child .progress-fill {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

.result-item:first-child .result-score {
    color: #d97706; /* 白背景なので少し濃いめのオレンジへ */
}

.reset-btn {
    display: block;
    width: 100%;
    margin-top: 3rem;
    padding: 1rem;
    background: transparent;
    border: 1px dashed var(--glass-border);
    color: var(--text-secondary);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.reset-btn:hover {
    background: rgba(255, 0, 0, 0.05);
    color: #ef4444;
    border-color: #ef4444;
}

@media (max-width: 600px) {
    .grid { display: block; }
    .card { margin-bottom: 1.5rem; }
    .glass-panel { padding: 1.5rem; }
    h1 { font-size: 1.8rem; }
}

/* --- 追加：ライトボックス（画像拡大表示用画面） --- */
.lightbox {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: rgba(255, 255, 255, 0.85); /* ライトボックスも白のすりガラスベースへ */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.15); /* 影はやわらかく */
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.lightbox.active img {
    transform: scale(1);
}