/* ═══════════════════════════════════════════
   TenY 后台 · 基于 aaa 界面，去龙改编辑器
═══════════════════════════════════════════ */
:root {
    --bg: #ffffff;
    --bg-deep: #f5f5f5;
    --text: #0a0a0a;
    --text-light: #4a4a4a;
    --text-muted: #888888;
    --accent: #4F46E5;
    --accent-2: #EC4899;
    --accent-soft: rgba(79,70,229,0.08);
    --card-bg: #ffffff;
    --card-border: rgba(0,0,0,0.10);
    --card-hover-border: rgba(0,0,0,0.25);
    --input-bg: #f8f8f8;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --font-mono: ui-monospace, 'SF Mono', Menlo, monospace;
    --transition: 0.2s cubic-bezier(0.4,0,0.2,1);
    --transition-smooth: 0.4s cubic-bezier(0.16,1,0.3,1);
}

[data-theme="dark"] {
    --bg: #000000;
    --bg-deep: #0a0a0a;
    --text: #f0f0f0;
    --text-light: #b0b0b0;
    --text-muted: #666666;
    --accent: #22D3EE;
    --accent-2: #F472B6;
    --accent-soft: rgba(34,211,238,0.10);
    --card-bg: #111114;
    --card-border: rgba(255,255,255,0.12);
    --card-hover-border: rgba(255,255,255,0.28);
    --input-bg: #1a1a1a;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 6px 24px rgba(0,0,0,0.5);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
}

/* ═══ 基础重置 ═══ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background var(--transition-smooth), color var(--transition-smooth);
    -webkit-font-smoothing: antialiased;
}

/* ═══ 页面切换 ═══ */
.page { display: none; }
.page.active { display: block; }

/* ═══ 主容器 ═══ */
#page-main { max-width: 920px; margin: 0 auto; padding: 0 24px; }

/* ═══ 头部 ═══ */
.site-header {
    text-align: center;
    padding: 48px 20px 28px;
    position: relative;
}
.avatar-wrap {
    position: relative;
    width: 88px;
    height: 88px;
    margin: 0 auto 16px;
}
.avatar-wrap::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: conic-gradient(var(--accent), var(--accent-2), var(--accent));
    animation: spin 6s linear infinite;
}
.avatar {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    border: 3px solid var(--bg);
}
@keyframes spin { to { transform: rotate(360deg); } }

.bio-name {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.bio-text { color: var(--text-light); font-size: 0.9rem; margin-bottom: 4px; }
.bio-note { color: var(--text-muted); font-size: 0.8rem; }

/* ═══ 顶部操作按钮 ═══ */
.header-actions {
    position: absolute;
    top: 28px;
    right: 0;
    display: flex;
    gap: 8px;
}
.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}
.icon-btn:hover { border-color: var(--card-hover-border); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.icon-btn:active { transform: scale(0.94); }
.icon-btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ═══ 过滤栏 ═══ */
.filter-bar {
    display: flex;
    gap: 8px;
    padding: 0 0 24px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.filter-bar::-webkit-scrollbar { display: none; }
.filter-tab {
    padding: 7px 16px;
    border-radius: 100px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text-light);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition);
}
.filter-tab:hover { border-color: var(--card-hover-border); }
.filter-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ═══ 状态 ═══ */
.state-box { text-align: center; padding: 60px 20px; }
.state-spin {
    width: 32px; height: 32px;
    border: 3px solid var(--card-border);
    border-top-color: var(--accent);
    border-radius: 50%;
    margin: 0 auto 12px;
    animation: spin 0.8s linear infinite;
}
.state-sub { color: var(--text-muted); font-size: 0.9rem; }

/* ═══ 卡片网格 ═══ */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
    padding-bottom: 100px;
}
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    display: flex;
    flex-direction: row;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
}
.card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 2;
}
.card:hover { box-shadow: var(--shadow-md); border-color: var(--card-hover-border); }
.card:hover::before { opacity: 1; }
.card-cover {
    width: 80px; height: 80px; flex-shrink: 0;
    overflow: hidden; position: relative;
}
.card-cover img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
.card-body { flex: 1; padding: 10px 12px; display: flex; flex-direction: column; justify-content: center; min-width: 0; gap: 4px; }
.card-title { font-family: var(--font-display); font-size: 0.9rem; font-weight: 600; line-height: 1.3; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.card-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.7rem; color: var(--text-muted); gap: 6px; }
.card-meta span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-tags { display: flex; gap: 4px; flex-shrink: 0; }
.tag { padding: 2px 8px; border-radius: 100px; font-size: 0.65rem; font-weight: 600; background: var(--accent-soft); color: var(--accent); }
.pin { position: absolute; top: 4px; left: 4px; background: var(--accent); color: #fff; font-size: 0.58rem; font-weight: 700; padding: 2px 8px; border-radius: 100px; z-index: 2; }
[data-theme="dark"] .pin { color: #000; }

/* 卡片右侧操作 */
.card-actions {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    padding: 8px 6px;
    flex-shrink: 0;
}
.card-actions button {
    width: 28px; height: 28px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}
.card-actions button:hover { background: var(--accent-soft); color: var(--accent); }
.card-actions button.del:hover { background: rgba(239,68,68,0.1); color: #ef4444; }

/* ═══ FAB ═══ */
.fab {
    position: fixed;
    bottom: 24px; right: 24px;
    width: 52px; height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}
.fab:hover { transform: scale(1.08); }
.fab:active { transform: scale(0.94); }

/* ═══ 详情导航 ═══ */
.detail-nav {
    position: sticky;
    top: 0;
    padding: 16px 0;
    background: var(--bg);
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
    margin-bottom: 24px;
    max-width: 920px;
    margin-left: auto;
    margin-right: auto;
}
.back-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 18px; border-radius: 100px;
    border: 2px solid var(--card-border); background: var(--card-bg);
    color: var(--text); cursor: pointer; font-size: 0.85rem; font-weight: 600;
    transition: all var(--transition);
}
.back-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ═══ 设置页 ═══ */
.settings-content { max-width: 920px; margin: 0 auto; padding: 0 24px 60px; }
.card-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
}
.card-box h3 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 16px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--text);
    font-size: 0.9rem;
    font-family: var(--font-body);
    outline: none;
    transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group input[readonly] { opacity: 0.6; }
.checkbox-label { display: flex; align-items: center; gap: 6px; font-size: 0.9rem; cursor: pointer; }
.tab-row { display: flex; gap: 8px; margin-bottom: 8px; }
.tab-row input { flex: 1; }
.empty-tip { color: var(--text-muted); text-align: center; padding: 24px; font-size: 0.9rem; }

/* ═══ 编辑器全屏 ═══ */
.page-editor {
    position: fixed !important;
    inset: 0;
    z-index: 1000;
    display: none;
    flex-direction: column;
    background: var(--bg);
}
.page-editor.active { display: flex; }

.editor-topbar {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
    padding-top: max(10px, env(safe-area-inset-top));
}
.editor-title-input {
    flex: 1;
    border: none !important;
    background: transparent !important;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    outline: none;
    padding: 6px 4px;
}

.editor-meta {
    flex-shrink: 0;
    display: none;
    flex-direction: column;
    gap: 8px;
    padding: 12px 16px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
}
.editor-meta.show { display: flex; }
.editor-meta input, .editor-meta select {
    border: 1px solid var(--card-border);
    background: var(--input-bg);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    font-size: 0.85rem;
    color: var(--text);
    outline: none;
    width: 100%;
}
.editor-meta label { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; margin-bottom: 2px; display: block; }
.editor-meta .meta-row { display: flex; gap: 8px; }
.editor-meta .meta-row > div { flex: 1; }

/* 无边界全屏输入区 */
.editor-content {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    outline: none;
    border: none;
    background: var(--bg);
    color: var(--text);
    padding: 24px 20px 24px;
    font-size: 16px;
    line-height: 1.75;
    word-break: break-word;
    caret-color: var(--accent);
}
.editor-content:empty::before {
    content: '写点什么...';
    color: var(--text-muted);
    pointer-events: none;
}
.editor-content p { margin: 0 0 8px; }
.editor-content p:last-child { margin-bottom: 0; }
.editor-content h3 { font-size: 1.2rem; margin: 14px 0 8px; font-weight: 700; font-family: var(--font-display); }
.editor-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 6px 14px;
    margin: 8px 0;
    color: var(--text-light);
    background: var(--accent-soft);
    border-radius: 0 8px 8px 0;
}
.editor-content ul, .editor-content ol { margin: 0 0 8px; padding-left: 24px; }
.editor-content li { margin: 2px 0; }
.editor-content img { max-width: 100%; border-radius: 8px; margin: 4px 0; }
.editor-content a { color: var(--accent); text-decoration: underline; }
.editor-content hr { border: none; border-top: 1px solid var(--card-border); margin: 12px 0; }
.editor-content b, .editor-content strong { font-weight: 700; }

/* 预览模式 */
.editor-content.preview {
    background: var(--bg);
    cursor: default;
}

/* 底栏工具条 */
.editor-toolbar {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 6px 8px;
    padding-bottom: max(6px, env(safe-area-inset-bottom));
    background: var(--card-bg);
    border-top: 1px solid var(--card-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.editor-toolbar::-webkit-scrollbar { display: none; }
.editor-toolbar.hidden { display: none; }

.rte-btn {
    min-width: 40px;
    min-height: 40px;
    border: none;
    background: transparent;
    color: var(--text);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    transition: all 0.15s;
    flex-shrink: 0;
    font-family: var(--font-body);
}
.rte-btn:hover { background: var(--accent-soft); color: var(--accent); }
.rte-btn:active { background: var(--accent); color: #fff; }
.rte-btn.rte-c { font-weight: 700; }
.rte-sep { width: 1px; height: 24px; background: var(--card-border); margin: 0 4px; flex-shrink: 0; }

/* HTML源码模式 */
.editor-raw {
    flex: 1;
    display: none;
    border: none;
    background: var(--bg);
    color: var(--text);
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.6;
    outline: none;
    resize: none;
    width: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.editor-raw.active { display: block; }

/* ═══ 全页预览 ═══ */
.preview-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: var(--bg);
    display: none;
    flex-direction: column;
}
.preview-overlay.active { display: flex; }
.preview-header {
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
    padding-top: max(12px, env(safe-area-inset-top));
}
.preview-header h2 { font-size: 1rem; }
.preview-body { flex: 1; overflow-y: auto; padding: 20px 24px 40px; max-width: 920px; margin: 0 auto; width: 100%; }

/* ═══ 按钮 ═══ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition);
    font-family: var(--font-body);
}
.btn:hover { border-color: var(--card-hover-border); box-shadow: var(--shadow-sm); }
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent); opacity: 0.9; }
.btn-sm { padding: 6px 10px; font-size: 0.8rem; }

/* ═══ Toast ═══ */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--card-bg);
    color: var(--text);
    padding: 10px 20px;
    border-radius: 100px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--card-border);
    font-size: 0.85rem;
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
    pointer-events: none;
    white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ═══ 响应式 ═══ */
@media (max-width: 768px) {
    #page-main { padding: 0 16px; }
    .site-header { padding: 36px 16px 20px; }
    .bio-name { font-size: 1.5rem; }
    .header-actions { top: 16px; }
    .grid { grid-template-columns: 1fr; gap: 10px; }
    .settings-content { padding: 0 16px 60px; }
    .rte-btn { min-width: 44px; min-height: 44px; font-size: 1rem; }
    .editor-content { font-size: 16px; padding: 20px 16px; }
    .fab { bottom: 16px; right: 16px; }
}

/* ═══ 减少动画 ═══ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ═══ 滚动条 ═══ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }