/* ===== MyFamily 主样式 ===== */

/* ---------- CSS 变量 ---------- */
:root {
    --mf-bg: #f5f1ec;
    --mf-bg-card: #faf8f5;
    --mf-bg-card-hover: #494949;
    --mf-text-1: #2c2c2c;
    --mf-text-2: #666;
    --mf-text-3: #999;
    --mf-text-4: #aaa;
    --mf-text-hover: #e2e2e2;
    --mf-text-hover-sub: #bbb;
    --mf-accent: #d4a574;
    --mf-border: rgba(208,206,206,0.4);
    --mf-shadow: 0 5px 12px rgba(207,212,218,0.52);
    --mf-shadow-hover: 0 10px 30px rgba(0,0,0,0.12);
    --mf-bg-footer: #f0ede8;
    --mf-bg-input: #fff;
    --mf-border-input: #ddd;
    --mf-border-input-focus: #999;
    --mf-bg-modal: #fff;
    --mf-bg-modal-overlay: rgba(0,0,0,0.4);
    --mf-bg-btn: #2c2c2c;
    --mf-bg-btn-hover: #494949;
    --mf-color-empty: #ccc;
    --mf-header-bg: rgba(255,255,255,0.85);
}

@media (prefers-color-scheme: dark) {
    :root {
        --mf-bg: #1c1c1e;
        --mf-bg-card: #2c2c2e;
        --mf-bg-card-hover: #3a3a3c;
        --mf-text-1: #e5e5e5;
        --mf-text-2: #a0a0a0;
        --mf-text-3: #8e8e93;
        --mf-text-4: #7a7a7e;
        --mf-text-hover: #f0f0f0;
        --mf-text-hover-sub: #ccc;
        --mf-border: rgba(255,255,255,0.08);
        --mf-shadow: 0 5px 12px rgba(0,0,0,0.3);
        --mf-shadow-hover: 0 10px 30px rgba(0,0,0,0.5);
        --mf-bg-footer: #1a1a1c;
        --mf-bg-input: #2c2c2e;
        --mf-border-input: #444;
        --mf-border-input-focus: #888;
        --mf-bg-modal: #2c2c2e;
        --mf-bg-modal-overlay: rgba(0,0,0,0.6);
        --mf-bg-btn: #3a3a3c;
        --mf-bg-btn-hover: #4a4a4c;
        --mf-color-empty: #555;
        --mf-header-bg: rgba(28,28,30,0.85);
    }
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background: var(--mf-bg);
    color: var(--mf-text-1);
    font-family: 'Noto Serif SC', serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img { image-rendering: auto; }
a { color: inherit; text-decoration: none; }

/* ---------- Header ---------- */
.mf-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--mf-header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--mf-border);
}

.mf-header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.8rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mf-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--mf-text-1);
    letter-spacing: 1px;
}

.mf-nav { display: flex; gap: 1rem; align-items: center; }
.mf-nav-link {
    font-size: 0.85rem;
    color: var(--mf-text-3);
    transition: color 0.2s;
}
.mf-nav-link:hover { color: var(--mf-text-1); }

/* ---------- Main ---------- */
.mf-main {
    flex: 1;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
}

/* ---------- Footer ---------- */
.mf-footer {
    background: var(--mf-bg-footer);
    text-align: center;
    padding: 1.5rem;
    font-size: 0.8rem;
    color: var(--mf-text-3);
    border-top: 1px solid var(--mf-border);
}

/* ---------- 页面标题 ---------- */
.mf-page-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--mf-text-1);
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
}

.mf-page-sub {
    text-align: center;
    font-size: 0.88rem;
    color: var(--mf-text-4);
    margin-bottom: 2rem;
}

/* ---------- 模块卡片网格（首页） ---------- */
.mf-module-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.mf-module-card {
    background: var(--mf-bg-card);
    border-radius: 1.5rem;
    border: 1px solid var(--mf-border);
    box-shadow: var(--mf-shadow);
    padding: 2rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    cursor: pointer;
}

.mf-module-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--mf-shadow-hover);
    background: var(--mf-bg-card-hover);
}
.mf-module-card:hover .mf-module-title { color: var(--mf-text-hover); }
.mf-module-card:hover .mf-module-desc { color: var(--mf-text-hover-sub); }

.mf-module-icon { font-size: 2.5rem; }

.mf-module-title {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--mf-text-1);
    transition: color 0.2s;
}

.mf-module-desc {
    font-size: 0.82rem;
    color: var(--mf-text-3);
    transition: color 0.2s;
}

/* ---------- 内容卡片网格（相册/视频/食谱） ---------- */
.mf-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.mf-card {
    background: var(--mf-bg-card);
    border-radius: 1.5rem;
    border: 1px solid var(--mf-border);
    box-shadow: var(--mf-shadow);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
    position: relative;
}
.mf-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--mf-shadow-hover);
}

.mf-card-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}

.mf-card-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--mf-bg);
    color: var(--mf-color-empty);
    font-size: 2rem;
}

.mf-card-info { padding: 1rem 1.2rem; }

.mf-card-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--mf-text-1);
    margin-bottom: 0.3rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mf-card-meta {
    font-size: 0.8rem;
    color: var(--mf-text-3);
}

.mf-card-badge {
    position: absolute;
    top: 0.6rem;
    left: 0.6rem;
    background: rgba(0,0,0,0.5);
    color: #fff;
    font-size: 0.72rem;
    padding: 0.15rem 0.5rem;
    border-radius: 1rem;
}

.mf-card-del {
    position: absolute;
    top: 0.6rem;
    right: 0.6rem;
    width: 1.6rem;
    height: 1.6rem;
    line-height: 1.6rem;
    text-align: center;
    border-radius: 50%;
    background: rgba(0,0,0,0.5);
    color: #fff;
    font-size: 0.85rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 2;
}
.mf-card:hover .mf-card-del { opacity: 1; }
.mf-card-del:hover { background: #e74c3c; }

/* ---------- 空状态 ---------- */
.mf-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 5rem 0;
    color: var(--mf-color-empty);
}
.mf-empty-icon { font-size: 3.5rem; margin-bottom: 1rem; opacity: 0.4; }
.mf-empty p { font-size: 1rem; color: var(--mf-text-4); }

/* ---------- Lightbox ---------- */
.mf-lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.92);
    z-index: 999;
    justify-content: center;
    align-items: center;
}
.mf-lightbox.active { display: flex; }

.mf-lightbox-img {
    max-width: 95%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
}

.mf-lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
    line-height: 2.5rem;
    text-align: center;
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background 0.2s;
}
.mf-lightbox-close:hover { background: rgba(255,255,255,0.3); }

.mf-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 2.5rem;
    height: 2.5rem;
    line-height: 2.5rem;
    text-align: center;
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-size: 1.3rem;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
    user-select: none;
}
.mf-lightbox-nav:hover { background: rgba(255,255,255,0.3); }
.mf-lightbox-prev { left: 1rem; }
.mf-lightbox-next { right: 1rem; }

.mf-lightbox-counter {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.5);
    color: #fff;
    padding: 0.2rem 0.8rem;
    border-radius: 1rem;
    font-size: 0.75rem;
}

/* ---------- 弹窗表单 ---------- */
.mf-modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--mf-bg-modal-overlay);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}
.mf-modal-overlay.active { display: flex; }

.mf-modal {
    background: var(--mf-bg-modal);
    border-radius: 1.5rem;
    padding: 2rem;
    width: 90%;
    max-width: 450px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 15px 50px rgba(0,0,0,0.2);
}

.mf-modal h3 {
    font-size: 1.2rem;
    color: var(--mf-text-1);
    margin: 0 0 1.2rem;
}

.mf-modal label {
    display: block;
    font-size: 0.85rem;
    color: var(--mf-text-2);
    margin-bottom: 0.3rem;
}

.mf-modal input,
.mf-modal textarea,
.mf-modal select {
    width: 100%;
    border: 1px solid var(--mf-border-input);
    border-radius: 0.5rem;
    padding: 0.5rem 0.7rem;
    font-size: 0.9rem;
    font-family: 'Noto Serif SC', serif;
    outline: none;
    box-sizing: border-box;
    margin-bottom: 0.8rem;
    transition: border-color 0.2s;
    background: var(--mf-bg-input);
    color: var(--mf-text-1);
}
.mf-modal input:focus,
.mf-modal textarea:focus,
.mf-modal select:focus { border-color: var(--mf-border-input-focus); }
.mf-modal textarea { resize: vertical; min-height: 60px; }

.mf-modal-btns {
    display: flex;
    gap: 0.8rem;
    justify-content: flex-end;
    margin-top: 0.5rem;
}

.mf-btn-cancel {
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    border: none;
    font-size: 0.85rem;
    font-family: 'Noto Serif SC', serif;
    cursor: pointer;
    background: var(--mf-bg-card);
    color: var(--mf-text-2);
    transition: background 0.2s;
}
.mf-btn-cancel:hover { background: var(--mf-border); }

.mf-btn-save {
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    border: none;
    font-size: 0.85rem;
    font-family: 'Noto Serif SC', serif;
    cursor: pointer;
    background: var(--mf-bg-btn);
    color: #fff;
    transition: background 0.2s;
}
.mf-btn-save:hover { background: var(--mf-bg-btn-hover); }

/* ---------- 上传区域 ---------- */
.mf-upload-area {
    border: 2px dashed var(--mf-border-input);
    border-radius: 0.8rem;
    padding: 1.2rem;
    text-align: center;
    cursor: pointer;
    margin-bottom: 0.8rem;
    transition: border-color 0.2s, background 0.2s;
    color: var(--mf-text-3);
    font-size: 0.85rem;
}
.mf-upload-area:hover,
.mf-upload-area.dragover {
    border-color: var(--mf-border-input-focus);
    background: var(--mf-bg-card);
}

.mf-upload-preview {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.8rem;
}

.mf-upload-thumb {
    position: relative;
    width: 64px;
    height: 64px;
    border-radius: 0.5rem;
    overflow: hidden;
    border: 1px solid var(--mf-border);
}
.mf-upload-thumb img { width: 100%; height: 100%; object-fit: cover; }

.mf-upload-thumb-del {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    background: rgba(0,0,0,0.55);
    color: #fff;
    font-size: 11px;
    border-radius: 50%;
    cursor: pointer;
}
.mf-upload-thumb-del:hover { background: #e74c3c; }

/* ---------- 管理员浮动按钮 ---------- */
.mf-fab {
    position: fixed;
    bottom: 2rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--mf-bg-btn);
    color: #fff;
    border: none;
    font-size: 1.5rem;
    line-height: 48px;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    z-index: 99;
    transition: background 0.2s, transform 0.2s;
}
.mf-fab:hover {
    background: var(--mf-bg-btn-hover);
    transform: translateY(-2px);
}

/* ---------- 照片网格（相册详情） ---------- */
.mf-photo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.mf-photo-grid img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 0.6rem;
    cursor: pointer;
    transition: transform 0.2s;
}
.mf-photo-grid img:hover { transform: scale(1.03); }

/* ---------- 视频网格 ---------- */
.mf-video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.mf-video-card {
    border-radius: 0.8rem;
    overflow: hidden;
    background: #000;
}
.mf-video-card video {
    width: 100%;
    display: block;
    border-radius: 0.8rem;
}

/* ---------- 返回导航 ---------- */
.mf-back {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.88rem;
    color: var(--mf-text-3);
    margin-bottom: 1.5rem;
    transition: color 0.2s;
}
.mf-back:hover { color: var(--mf-text-1); }

/* ---------- 滚入动画 ---------- */
.mf-anim {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.mf-anim.mf-visible {
    opacity: 1;
    transform: translateY(0);
}
.mf-anim.mf-visible:hover {
    transform: translateY(-6px);
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .mf-module-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .mf-card-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .mf-photo-grid { grid-template-columns: repeat(3, 1fr); }
    .mf-video-grid { grid-template-columns: 1fr; }
    .mf-main { padding: 1.5rem 1rem 2rem; }
    .mf-page-title { font-size: 1.4rem; }
    .mf-module-card { padding: 1.5rem 1rem; border-radius: 1.2rem; }
    .mf-module-icon { font-size: 2rem; }
    .mf-module-title { font-size: 1rem; }
}

@media (max-width: 480px) {
    .mf-module-grid { grid-template-columns: 1fr; max-width: 320px; }
    .mf-card-grid { grid-template-columns: 1fr; }
    .mf-photo-grid { grid-template-columns: repeat(2, 1fr); }
}