/* ============================================================
 * Artify 书签 · 样式（v3 · 先进 UI）
 * 玻璃拟态 · 三态主题 · 网格/列表双视图 · 骨架屏 · 键盘导航
 * ============================================================ */
:root {
    --primary: #5E3C7A;
    --primary-2: #7B4FA0;
    --primary-soft: #E8DEF0;
    --primary-light: #F1EAF7;
    --secondary: #E898A0;
    --dark: #2D3142;
    --gray: #5A5F73;
    --gray-300: #D0D4DD;
    --bg: #F6F7FB;
    --bg-grad: radial-gradient(1200px 500px at 80% -10%, rgba(123, 79, 160, .10), transparent),
               radial-gradient(900px 400px at 0% 0%, rgba(232, 152, 160, .08), transparent);
    --card-bg: #FFFFFF;
    --glass: rgba(255, 255, 255, .72);
    --shadow-sm: 0 2px 8px rgba(94, 60, 122, .07);
    --shadow-md: 0 8px 20px rgba(94, 60, 122, .14);
    --radius-card: 12px;
    --radius-btn: 10px;
    --transition: .16s ease;
}

/* 暗色变量组（供自动/手动两种途径复用） */
[data-theme="dark"] {
    --primary: #B794E0;
    --primary-2: #9B6FCB;
    --primary-soft: #2A2238;
    --primary-light: #221B30;
    --secondary: #E898A0;
    --dark: #ECECF1;
    --gray: #A6AAB8;
    --gray-300: #3A3A48;
    --bg: #16161D;
    --bg-grad: radial-gradient(1200px 500px at 80% -10%, rgba(155, 111, 203, .14), transparent),
               radial-gradient(900px 400px at 0% 0%, rgba(232, 152, 160, .06), transparent);
    --card-bg: #1F1F29;
    --glass: rgba(31, 31, 41, .72);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, .35);
    --shadow-md: 0 12px 28px rgba(0, 0, 0, .5);
    color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]):not([data-theme="dark"]),
    [data-theme="auto"] {
        --primary: #B794E0;
        --primary-2: #9B6FCB;
        --primary-soft: #2A2238;
        --primary-light: #221B30;
        --secondary: #E898A0;
        --dark: #ECECF1;
        --gray: #A6AAB8;
        --gray-300: #3A3A48;
        --bg: #16161D;
        --bg-grad: radial-gradient(1200px 500px at 80% -10%, rgba(155, 111, 203, .14), transparent),
                   radial-gradient(900px 400px at 0% 0%, rgba(232, 152, 160, .06), transparent);
        --card-bg: #1F1F29;
        --glass: rgba(31, 31, 41, .72);
        --shadow-sm: 0 4px 12px rgba(0, 0, 0, .35);
        --shadow-md: 0 12px 28px rgba(0, 0, 0, .5);
        color-scheme: dark;
    }
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-grad), var(--bg);
    background-attachment: fixed;
    color: var(--dark);
    line-height: 1.4;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background .3s ease, color .3s ease;
}

kbd {
    font-family: inherit; font-size: 11px; padding: 1px 6px;
    border: 1px solid var(--gray-300); border-bottom-width: 2px;
    border-radius: 6px; background: var(--card-bg); color: var(--gray);
}

/* ---------------- 顶栏（玻璃拟态） ---------------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px clamp(14px, 3vw, 28px);
    background: var(--glass);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-bottom: 1px solid var(--gray-300);
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo { font-size: 24px; }
.brand h1 { font-size: 17px; font-weight: 700; line-height: 1.1; white-space: nowrap; }
.brand-sub { font-size: 11px; color: var(--gray); line-height: 1.1; white-space: nowrap; }
.topbar-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.search-wrap { position: relative; display: flex; align-items: center; flex: 1; min-width: 0; }
.search {
    width: 100%; max-width: 260px;
    padding: 8px 34px 8px 12px;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius-btn);
    background: var(--card-bg);
    color: var(--dark);
    font-size: 13px;
    outline: none;
    transition: var(--transition);
}
.search:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.search-kbd { position: absolute; right: 9px; pointer-events: none; }
.search:focus + .search-kbd { display: none; }

.icon-btn {
    width: 36px; height: 36px; border-radius: var(--radius-btn);
    border: 1px solid var(--gray-300); background: var(--card-bg);
    font-size: 15px; cursor: pointer; color: var(--dark);
    transition: var(--transition);
    display: inline-flex; align-items: center; justify-content: center;
}
.icon-btn:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-1px); }

/* ---------------- 分类 chips 导航 ---------------- */
.cat-nav {
    position: sticky;
    top: 55px;
    z-index: 15;
    display: flex; gap: 6px;
    padding: 7px clamp(14px, 3vw, 28px);
    overflow-x: auto;
    scrollbar-width: none;
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-300);
}
.cat-nav::-webkit-scrollbar { display: none; }
.chip {
    flex-shrink: 0;
    padding: 5px 12px; border-radius: 999px;
    border: 1px solid var(--gray-300); background: var(--card-bg);
    color: var(--dark); font-size: 12px; font-weight: 500; font-family: inherit;
    cursor: pointer; transition: var(--transition); white-space: nowrap;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active {
    background: var(--primary); border-color: var(--primary);
    color: #fff; box-shadow: var(--shadow-sm);
}

/* ---------------- 容器 ---------------- */
.container {
    flex: 1;
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: 18px clamp(14px, 3vw, 28px) 90px;
}
.loading, .empty { color: var(--gray); padding: 16px 0; text-align: center; font-size: 13px; }

/* ---------------- 骨架屏 ---------------- */
.skeleton { border-radius: 12px; background: linear-gradient(90deg, var(--primary-soft) 25%, var(--card-bg) 50%, var(--primary-soft) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }
.skeleton-title { width: 150px; height: 20px; margin-bottom: 12px; }
.skeleton-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(184px, 1fr)); gap: 10px; }
.skeleton-card { height: 62px; border-radius: var(--radius-card); }

/* ---------------- 分类区 ---------------- */
.cat-section { margin-bottom: 22px; scroll-margin-top: 104px; }
.cat-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 10px; padding-bottom: 6px;
    border-bottom: 1.5px solid var(--primary-soft);
}
.cat-title { font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 7px; }
.cat-count {
    font-size: 11px; font-weight: 600; color: var(--primary);
    background: var(--primary-soft); border-radius: 999px;
    padding: 1px 8px; vertical-align: middle;
}
.cat-head-actions { display: flex; gap: 5px; }

/* 常用推荐区强调 */
.freq-section .cat-head { border-bottom-color: var(--secondary); }

/* ---------------- 卡片网格 ---------------- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(184px, 1fr));
    gap: 10px;
}
body[data-view="list"] .grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 6px;
}
body[data-view="list"] .card { padding: 8px 12px; border-radius: 10px; }
body[data-view="list"] .card-icon { width: 30px; height: 30px; border-radius: 8px; }
body[data-view="list"] .card-fav { width: 20px; height: 20px; }
body[data-view="list"] .card-meta { margin-top: 3px; }

.card {
    display: flex; align-items: center; justify-content: space-between;
    gap: 10px;
    background: var(--card-bg);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-card);
    padding: 11px 13px;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    animation: fadeUp .2s ease both;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--primary); }
.card-hidden { opacity: .55; }
.card.kbd-active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-soft), var(--shadow-md);
}
.card-body { min-width: 0; flex: 1; }

/* 智能图标：favicon 或首字母兜底 */
.card-icon {
    width: 34px; height: 34px; flex-shrink: 0;
    border-radius: 9px; overflow: hidden;
    background: var(--primary-soft);
    display: flex; align-items: center; justify-content: center;
}
.card-fav { width: 22px; height: 22px; object-fit: contain; }
.card-letter {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; color: var(--primary); font-size: 15px;
}
mark { background: #FFE9A8; color: #4a3b00; border-radius: 3px; padding: 0 2px; }
.form-hint { font-size: 12px; color: var(--gray); margin-bottom: 4px; }
.card-title {
    font-weight: 600; font-size: 13.5px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-aux { font-size: 11px; color: var(--gray); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-meta { display: flex; align-items: center; gap: 6px; margin-top: 4px; min-width: 0; }
.card-tag {
    display: inline-block;
    font-size: 10px; padding: 1px 7px; border-radius: 20px;
    background: var(--primary-soft); color: var(--primary);
    flex-shrink: 0;
}
.card-domain {
    font-size: 10px; color: var(--gray);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card-actions { display: flex; flex-direction: column; gap: 4px; flex-shrink: 0; }
body[data-view="list"] .card-actions { flex-direction: row; }

/* ---------------- 按钮 ---------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 8px 14px; border: 1px solid transparent; border-radius: var(--radius-btn);
    font-size: 13px; font-weight: 600; cursor: pointer; font-family: inherit;
    transition: var(--transition); text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-2); }
.btn-ghost { background: transparent; border-color: var(--gray-300); color: var(--dark); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

.mini-btn {
    border: 1px solid var(--gray-300); background: var(--card-bg);
    border-radius: 8px; padding: 4px 7px; cursor: pointer; font-size: 13px;
    line-height: 1; transition: var(--transition);
}
.mini-btn:hover { border-color: var(--primary); }
.mini-btn.danger:hover { border-color: #D9534F; background: #FDECEA; }

/* ---------------- 返回顶部 ---------------- */
.back-top {
    position: fixed; left: 18px; bottom: 76px; z-index: 25;
    width: 38px; height: 38px; border-radius: 50%;
    border: 1px solid var(--gray-300); background: var(--glass);
    backdrop-filter: blur(10px);
    color: var(--dark); font-size: 16px; cursor: pointer;
    box-shadow: var(--shadow-md); transition: var(--transition);
}
.back-top:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }

/* 侧边悬浮管理按钮（FAB） */
.fab {
    position: fixed; right: 18px; bottom: 76px; z-index: 25;
    width: 52px; height: 52px; border-radius: 50%;
    border: none; background: var(--primary); color: #fff;
    font-size: 22px; cursor: pointer;
    box-shadow: 0 4px 16px rgba(94, 60, 122, .35);
    transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
}
.fab:hover { background: var(--primary-2); transform: scale(1.06); box-shadow: 0 6px 22px rgba(94, 60, 122, .45); }
.fab:active { transform: scale(.96); }

/* 滚动后返回顶部上移，避免与 FAB 冲突 */
.back-top.visible-up {
    bottom: 138px;
}

/* ---------------- 管理工具条 ---------------- */
.admin-bar {
    position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%);
    display: flex; gap: 6px; flex-wrap: wrap; justify-content: center;
    padding: 7px 10px; border-radius: 14px;
    background: var(--glass);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    box-shadow: var(--shadow-md); border: 1px solid var(--gray-300);
    z-index: 30; max-width: 94vw;
}

/* ---------------- 弹窗 ---------------- */
.modal-mask {
    position: fixed; inset: 0; z-index: 50;
    background: rgba(20, 16, 30, .5);
    backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
    padding: 16px;
}
.modal {
    width: 100%; max-width: 460px;
    background: var(--card-bg); border-radius: 20px;
    box-shadow: var(--shadow-md); overflow: hidden;
    animation: pop .18s ease;
}
@keyframes pop { from { transform: scale(.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 22px; border-bottom: 1px solid var(--gray-300);
}
.modal-head h2 { font-size: 17px; }
.modal-close {
    border: none; background: transparent; font-size: 18px; cursor: pointer;
    color: var(--gray); border-radius: 8px; width: 32px; height: 32px;
}
.modal-close:hover { background: var(--primary-soft); color: var(--primary); }

/* ---------------- 表单 ---------------- */
.form { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--gray); }
.field input, .field select {
    padding: 9px 12px; font-size: 14px; font-family: inherit;
    border: 1.5px solid var(--gray-300); border-radius: 10px;
    background: var(--card-bg); color: var(--dark); outline: none;
    transition: var(--transition);
}
.field input:focus, .field select:focus { border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-soft); }
.field.checkbox { flex-direction: row; align-items: center; gap: 10px; color: var(--dark); font-size: 14px; }
.field.checkbox input { width: 18px; height: 18px; }
.form-err { color: #D9534F; font-size: 13px; min-height: 16px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }
.modal-actions .btn { flex: 0 0 auto; }

/* ---------------- 提示条 ---------------- */
.toast {
    position: fixed; left: 50%; top: 22px; transform: translateX(-50%);
    z-index: 60; padding: 12px 22px; border-radius: 14px;
    background: var(--dark); color: #fff; font-size: 14px;
    box-shadow: var(--shadow-md); transition: opacity .25s ease;
    animation: toastIn .22s ease;
}
@keyframes toastIn { from { transform: translate(-50%, -12px); opacity: 0; } to { transform: translate(-50%, 0); opacity: 1; } }
.toast-success { background: #2E7D5B; }
.toast-error { background: #C0493F; }
.toast-info { background: var(--primary); }

/* ---------------- 页脚 ---------------- */
.footer { text-align: center; padding: 22px; font-size: 12px; color: var(--gray); }

.hidden { display: none !important; }

/* View Transitions 淡入淡出 */
::view-transition-old(root) { animation-duration: .15s; }
::view-transition-new(root) { animation-duration: .2s; }

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media (max-width: 560px) {
    .brand-sub { display: none; }
    .search { max-width: none; }
    .grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }
    body[data-view="list"] .grid { grid-template-columns: 1fr; }
    .admin-bar .btn { padding: 7px 10px; font-size: 12px; }
    .search-kbd { display: none; }
    .cat-nav { top: 52px; }
    .back-top { left: 12px; bottom: 70px; }
    .back-top.visible-up { bottom: 132px; }
    .fab { right: 12px; bottom: 70px; width: 48px; height: 48px; font-size: 20px; }
}