/* ============================================================
   collection.css — 体素藏品图鉴（collection.html / admin 藏品管理）
   ------------------------------------------------------------
   品质色板：--rarity-0..5（暗色主题默认值，浅色主题在下方覆盖深色值）
   全部组件走 CSS 变量，8 套主题自动适配。
   ============================================================ */

/* ---------- 品质色板（默认暗色赛博主题） ---------- */
:root {
    --rarity-0: #e8e8e8;  /* 白·普通 */
    --rarity-1: #4ade80;  /* 绿·稀有 */
    --rarity-2: #60a5fa;  /* 蓝·精良 */
    --rarity-3: #c084fc;  /* 紫·史诗 */
    --rarity-4: #fbbf24;  /* 金·传说 */
    --rarity-5: #f87171;  /* 红·神话 */
    --rarity-6: #ffb3d1;  /* 粉·炫彩（淡粉↔浅白渐变，高于神话） */
}

/* 浅色主题：改用深色品质色保证对比度 */
body.theme-light-simple,
.theme-light-simple body {
    --rarity-0: #5a5a5a;
    --rarity-1: #16a34a;
    --rarity-2: #2563eb;
    --rarity-3: #9333ea;
    --rarity-4: #d97706;
    --rarity-5: #dc2626;
    --rarity-6: #d4699d;
}

/* 炫彩(6)专属渐变：淡粉 ↔ 浅白（与 gacha.css 保持一致） */
:root {
    --iridescent-grad: linear-gradient(145deg, #ffeaf4, #ffffff 36%, #ffd9eb 58%, #fff6fb 82%, #ffcfe6);
    --iridescent-grad-strong: linear-gradient(145deg, #ffdcee, #fff 28%, #ffc4e0 52%, #ffeef7 76%, #ffb8d6);
}

/* ---------- 统计条 ---------- */
.collection-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    padding: 0.9rem 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-soft, rgba(255,255,255,0.08));
    border-radius: var(--radius-md, 10px);
    font-size: 0.85rem;
    color: var(--text-muted);
}
.collection-stats b { color: var(--accent-cyan); }
.collection-progress {
    flex: 1;
    min-width: 160px;
    height: 8px;
    background: rgba(127,127,127,0.18);
    border-radius: 4px;
    overflow: hidden;
}
.collection-progress i {
    display: block;
    height: 100%;
    /* 主题色渐变填充（跟随 --accent-cyan，随主题自动变化） */
    background: linear-gradient(90deg, var(--accent-cyan), color-mix(in srgb, var(--accent-cyan) 40%, #ffffff));
    border-radius: 4px;
    transition: width 500ms var(--ease-out, ease);
}
/* 电脑端：进度条只需比页头（hero）控件略长，不占满整行 */
@media (min-width: 769px) {
    .collection-progress { max-width: 360px; }
}

/* ---------- 品质 tab（复用 tabs--pill，彩色激活态） ---------- */
.tab-btn[data-rarity] { min-width: 72px; text-align: center; }
.tab-btn[data-rarity].active { border-color: var(--rarity-active, var(--accent-cyan)); color: var(--rarity-active, var(--accent-cyan)); }
.tab-btn[data-rarity="0"].active { --rarity-active: var(--rarity-0); }
.tab-btn[data-rarity="1"].active { --rarity-active: var(--rarity-1); }
.tab-btn[data-rarity="2"].active { --rarity-active: var(--rarity-2); }
.tab-btn[data-rarity="3"].active { --rarity-active: var(--rarity-3); }
.tab-btn[data-rarity="4"].active { --rarity-active: var(--rarity-4); }
.tab-btn[data-rarity="5"].active { --rarity-active: var(--rarity-5); }

/* 分类 tab（8 大类数量多，允许换行） */
.tabs--wrap { flex-wrap: wrap; }
.tabs--wrap .tab-btn { margin: 0.15rem 0; }

/* ---------- 卡片网格 ---------- */
.collection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
}

.collection-card {
    position: relative;
    /* 品质色渐变背景：让藏品方格背景更明显（比原纯 --bg-card 更醒目） */
    background: linear-gradient(160deg,
        color-mix(in srgb, var(--card-rarity) 24%, var(--bg-card)),
        color-mix(in srgb, var(--card-rarity) 8%, var(--bg-secondary)) 74%);
    border: 1px solid color-mix(in srgb, var(--card-rarity) 38%, var(--border-soft, rgba(255,255,255,0.08)));
    border-radius: var(--radius-md, 10px);
    overflow: hidden;
    cursor: pointer;
    transition: transform 220ms var(--ease-out, ease), border-color 220ms ease, box-shadow 220ms ease;
    animation: anim-fade 400ms var(--ease-out, ease) both;
}
.collection-card:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--card-rarity, var(--accent-cyan)) 55%, transparent);
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

/* 品质色变量注入（JS 按 rarity 设置 style） */
.collection-card { --card-rarity: var(--accent-cyan); }
.collection-card[data-rarity="0"] { --card-rarity: var(--rarity-0); }
.collection-card[data-rarity="1"] { --card-rarity: var(--rarity-1); }
.collection-card[data-rarity="2"] { --card-rarity: var(--rarity-2); }
.collection-card[data-rarity="3"] { --card-rarity: var(--rarity-3); }
.collection-card[data-rarity="4"] { --card-rarity: var(--rarity-4); }
.collection-card[data-rarity="5"] { --card-rarity: var(--rarity-5); }
.collection-card[data-rarity="6"] { --card-rarity: var(--rarity-6); }

/* 炫彩(6)专属：淡粉-浅白渐变卡面 + 流动反光（模拟卡片反光） */
.collection-card[data-rarity="6"] {
    background: var(--iridescent-grad);
    border-color: #ffaeca;
    box-shadow: 0 0 18px rgba(255, 135, 190, 0.4);
}
.collection-card[data-rarity="6"] .collection-card__thumb {
    background: color-mix(in srgb, var(--rarity-6) 18%, var(--bg-secondary));
}
.collection-card[data-rarity="6"] .collection-card__thumb::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(115deg,
        transparent 0%, transparent 30%,
        rgba(255, 255, 255, 0.55) 42%,
        rgba(255, 150, 200, 0.42) 52%,
        rgba(255, 255, 255, 0.22) 62%,
        transparent 76%, transparent 100%);
    background-size: 260% 100%;
    animation: iridescentFlow 3.4s linear infinite;
    mix-blend-mode: screen;
    pointer-events: none;
}
@keyframes iridescentFlow {
    0%   { background-position: 130% 0; }
    100% { background-position: -130% 0; }
}
/* 炫彩角标（品质徽标）：淡粉-浅白渐变底 + 深玫粉字 */
.collection-card[data-rarity="6"] .collection-card__corner {
    color: #b44e86;
    background: var(--iridescent-grad);
    border-color: #ff9ec4;
    box-shadow: 0 0 8px rgba(255, 150, 200, 0.55);
}
/* 炫彩品质名：渐变字 */
.collection-card[data-rarity="6"] .collection-card__rarity {
    background: var(--iridescent-grad-strong);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}
/* 炫彩(6)：卡片下方文字区垫深色底，避免白字/粉渐变字落在淡粉-浅白卡面上看不清（与其他卡片一致） */
.collection-card[data-rarity="6"] .collection-card__meta {
    background: var(--bg-card);
    border-top-color: rgba(255, 174, 202, 0.28);
}

.collection-card__thumb {
    position: relative;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--card-rarity) 14%, var(--bg-secondary));
    overflow: hidden;
}
.collection-card__thumb canvas {
    max-width: 82%;
    max-height: 82%;
    image-rendering: pixelated;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.3));
}
.collection-card__icon {
    position: absolute;
    top: 8px;
    left: 8px;
    font-size: 0.95rem;
    opacity: 0.85;
}
.collection-card__corner {
    position: absolute;
    top: 6px;
    right: 6px;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--card-rarity);
    background: color-mix(in srgb, var(--card-rarity) 16%, transparent);
    border: 1px solid color-mix(in srgb, var(--card-rarity) 45%, transparent);
}
.collection-card__meta {
    padding: 0.65rem 0.8rem 0.8rem;
    border-top: 1px solid color-mix(in srgb, var(--card-rarity) 14%, transparent);
}
.collection-card__name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.25rem;
}
.collection-card__rarity {
    font-size: 0.72rem;
    color: var(--card-rarity);
    letter-spacing: 1px;
}
/* 卡片 meta 行：品质名 + credits 价格 */
.collection-card__meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-top: 0.25rem;
}
.collection-card__price {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent-gold, #ffd700);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* 未解锁卡 */
.collection-card--locked {
    cursor: default;
    background: linear-gradient(160deg,
        color-mix(in srgb, var(--card-rarity) 12%, var(--bg-card)),
        color-mix(in srgb, var(--card-rarity) 4%, var(--bg-secondary)) 74%);
    border-style: dashed;
}
.collection-card--locked:hover { transform: none; }
.collection-card--locked .collection-card__thumb {
    background: color-mix(in srgb, var(--card-rarity) 8%, var(--bg-secondary));
}
.collection-card__lock {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    color: color-mix(in srgb, var(--card-rarity) 55%, var(--text-muted));
}
.collection-card__lock .lock-ico { font-size: 2rem; filter: drop-shadow(0 0 8px color-mix(in srgb, var(--card-rarity) 40%, transparent)); }
.collection-card__lock .lock-tip { font-size: 0.75rem; letter-spacing: 1px; }

/* ---------- 3D 详情弹窗（桌面双栏 / 手机上下分） ---------- */
.voxel-modal .modal-content {
    max-width: 800px;
    width: 94%;
    max-height: 92vh;
    overflow-y: auto;
}
.voxel-modal__content { padding: 1rem; }

/* 双视图主体：桌面左右分栏 */
.voxel-body {
    display: flex;
    gap: 1rem;
    align-items: stretch;
}
.voxel-body .voxel-viewport {
    flex: 1 1 58%;
    height: 420px;
    min-height: 300px;
}
.voxel-body .voxel-info {
    flex: 1 1 42%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.voxel-viewport {
    position: relative;
    width: 100%;
    height: 340px;
    /* 与收藏室卡片方格同款品质渐变背景（--modal-rarity 由 JS 注入 rarity-N），保持"预览=方格"视觉一致 */
    background: linear-gradient(160deg,
        color-mix(in srgb, var(--modal-rarity, var(--accent-cyan)) 24%, var(--bg-card)),
        color-mix(in srgb, var(--modal-rarity, var(--accent-cyan)) 8%, var(--bg-secondary)) 74%);
    border-radius: var(--radius-sm, 6px);
    overflow: hidden;
    touch-action: none;
}
.voxel-viewport .voxel-hint {
    position: absolute;
    bottom: 8px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.75;
    pointer-events: none;
    letter-spacing: 0.5px;
}
.voxel-info {
    padding: 0.4rem 0.4rem;
}
.voxel-info__title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 0.4rem;
}
.voxel-info__title h3 { margin: 0; font-size: 1.3rem; color: var(--text-primary); }
/* 价格：金色大字，与卡片价格一致 */
.voxel-info__price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-gold, #ffd700);
    letter-spacing: 0.5px;
    margin: 0.3rem 0;
}
.voxel-info__cat { font-size: 0.78rem; color: var(--text-muted); letter-spacing: 0.5px; }
.voxel-info__desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0.6rem 0 0;
}
.voxel-info__own {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.9rem;
    font-size: 0.75rem;
    color: var(--accent-green, #00ff88);
}

/* 品质徽章（详情弹窗用） */
.rarity-badge {
    display: inline-block;
    padding: 0.15rem 0.7rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--modal-rarity, var(--accent-cyan));
    background: color-mix(in srgb, var(--modal-rarity, var(--accent-cyan)) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--modal-rarity, var(--accent-cyan)) 45%, transparent);
}

/* 炫彩(6)专属：预览弹窗背景 淡粉-浅白 渐变 + 渐变徽章 */
.voxel-viewport[data-rarity="6"] {
    background: var(--iridescent-grad);
    box-shadow: inset 0 0 44px rgba(255, 255, 255, 0.35);
}
.rarity-badge[data-rarity="6"] {
    color: #b44e86;
    background: var(--iridescent-grad);
    border-color: #ff9ec4;
    box-shadow: 0 0 8px rgba(255, 150, 200, 0.55);
}

/* ---------- 空态 / 加载 ---------- */
.collection-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}
.collection-empty .empty-ico { font-size: 2.4rem; margin-bottom: 0.6rem; }

/* ---------- 响应式（手机端：双栏变上下分） ---------- */
@media (max-width: 768px) {
    .voxel-body { flex-direction: column; gap: 0.75rem; }
    .voxel-body .voxel-viewport { height: 300px; min-height: 260px; }
    .voxel-body .voxel-info { padding: 0.2rem 0.2rem 0.6rem; }
    .collection-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.75rem; }
    .tab-btn[data-rarity] { min-width: 52px; padding: 0.7rem 0.6rem; }
}