/* ============================================================
   便签空间社区 - 全局样式 v2.1
   视觉继承原智能网页工作便签风格 + 多主题切换系统
   默认主题：暖橙活力风（#f97316 → #f59e0b）
   15 套主题通过 html[data-theme="xxx"] 切换
   ============================================================ */

/* ---------- 默认主题：暖橙活力风 ---------- */
:root {
    --primary-color: #f97316;
    --primary-2: #f59e0b;
    --primary-gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-2) 100%);
    --primary-soft: rgba(249, 115, 22, 0.1);
    --secondary-color: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --card-bg: rgba(255, 255, 255, 0.95);
    --shadow-color: rgba(249, 115, 22, 0.15);
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --border-color: #e2e8f0;
    --hover-color: #f1f5f9;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --body-grad-a: #fff7ed;
    --body-grad-b: #fed7aa;
    --auth-grad: linear-gradient(135deg, #f97316 0%, #f59e0b 40%, #fff7ed 100%);
    --header-grad: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-2) 100%);
}

/* ---------- 紫色主题 ---------- */
:root[data-theme="purple"] {
    --primary-color: #6366f1; --primary-2: #8b5cf6;
    --primary-soft: rgba(99, 102, 241, 0.1);
    --shadow-color: rgba(99, 102, 241, 0.15);
    --body-grad-a: #f8fafc; --body-grad-b: #e0e7ff;
    --auth-grad: linear-gradient(135deg, #6366f1 0%, #8b5cf6 40%, #f8fafc 100%);
}

/* ---------- 蓝色主题 ---------- */
:root[data-theme="blue"] {
    --primary-color: #3b82f6; --primary-2: #06b6d4;
    --primary-soft: rgba(59, 130, 246, 0.1);
    --shadow-color: rgba(59, 130, 246, 0.15);
    --body-grad-a: #f0f9ff; --body-grad-b: #bae6fd;
    --auth-grad: linear-gradient(135deg, #3b82f6 0%, #06b6d4 40%, #f0f9ff 100%);
}

/* ---------- 绿色主题 ---------- */
:root[data-theme="green"] {
    --primary-color: #10b981; --primary-2: #84cc16;
    --primary-soft: rgba(16, 185, 129, 0.1);
    --shadow-color: rgba(16, 185, 129, 0.15);
    --body-grad-a: #f0fdf4; --body-grad-b: #bbf7d0;
    --auth-grad: linear-gradient(135deg, #10b981 0%, #84cc16 40%, #f0fdf4 100%);
}

/* ---------- 粉色主题 ---------- */
:root[data-theme="pink"] {
    --primary-color: #ec4899; --primary-2: #f472b6;
    --primary-soft: rgba(236, 72, 153, 0.1);
    --shadow-color: rgba(236, 72, 153, 0.15);
    --body-grad-a: #fdf2f8; --body-grad-b: #fbcfe8;
    --auth-grad: linear-gradient(135deg, #ec4899 0%, #f472b6 40%, #fdf2f8 100%);
}

/* ---------- 橙色主题（同默认，供按钮引用） ---------- */
:root[data-theme="orange"] {
    --primary-color: #f97316; --primary-2: #f59e0b;
    --primary-soft: rgba(249, 115, 22, 0.1);
    --shadow-color: rgba(249, 115, 22, 0.15);
    --body-grad-a: #fff7ed; --body-grad-b: #fed7aa;
    --auth-grad: linear-gradient(135deg, #f97316 0%, #f59e0b 40%, #fff7ed 100%);
}

/* ---------- 深色主题 ---------- */
:root[data-theme="dark"] {
    --primary-color: #fbbf24; --primary-2: #f97316;
    --primary-soft: rgba(251, 191, 36, 0.12);
    --secondary-color: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --card-bg: rgba(30, 41, 59, 0.95);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --border-color: #334155;
    --hover-color: #334155;
    --surface: #1e293b;
    --surface-2: #334155;
    --body-grad-a: #0f172a; --body-grad-b: #1e293b;
    --auth-grad: linear-gradient(135deg, #0f172a 0%, #334155 40%, #f97316 100%);
}

/* ---------- 红色主题 ---------- */
:root[data-theme="red"] {
    --primary-color: #ef4444; --primary-2: #f43f5e;
    --primary-soft: rgba(239, 68, 68, 0.1);
    --shadow-color: rgba(239, 68, 68, 0.15);
    --body-grad-a: #fef2f2; --body-grad-b: #fecaca;
    --auth-grad: linear-gradient(135deg, #ef4444 0%, #f43f5e 40%, #fef2f2 100%);
}

/* ---------- 青色主题 ---------- */
:root[data-theme="cyan"] {
    --primary-color: #06b6d4; --primary-2: #22d3ee;
    --primary-soft: rgba(6, 182, 212, 0.1);
    --shadow-color: rgba(6, 182, 212, 0.15);
    --body-grad-a: #ecfeff; --body-grad-b: #a5f3fc;
    --auth-grad: linear-gradient(135deg, #06b6d4 0%, #22d3ee 40%, #ecfeff 100%);
}

/* ---------- 琥珀色主题 ---------- */
:root[data-theme="amber"] {
    --primary-color: #f59e0b; --primary-2: #fbbf24;
    --primary-soft: rgba(245, 158, 11, 0.1);
    --shadow-color: rgba(245, 158, 11, 0.15);
    --body-grad-a: #fffbeb; --body-grad-b: #fde68a;
    --auth-grad: linear-gradient(135deg, #f59e0b 0%, #fbbf24 40%, #fffbeb 100%);
}

/* ---------- 靛蓝色主题 ---------- */
:root[data-theme="indigo"] {
    --primary-color: #4f46e5; --primary-2: #6366f1;
    --primary-soft: rgba(79, 70, 229, 0.1);
    --shadow-color: rgba(79, 70, 229, 0.15);
    --body-grad-a: #eef2ff; --body-grad-b: #c7d2fe;
    --auth-grad: linear-gradient(135deg, #4f46e5 0%, #6366f1 40%, #eef2ff 100%);
}

/* ---------- 玫瑰色主题 ---------- */
:root[data-theme="rose"] {
    --primary-color: #f43f5e; --primary-2: #fb7185;
    --primary-soft: rgba(244, 63, 94, 0.1);
    --shadow-color: rgba(244, 63, 94, 0.15);
    --body-grad-a: #fff1f2; --body-grad-b: #fecdd3;
    --auth-grad: linear-gradient(135deg, #f43f5e 0%, #fb7185 40%, #fff1f2 100%);
}

/* ---------- 青绿色主题 ---------- */
:root[data-theme="teal"] {
    --primary-color: #14b8a6; --primary-2: #2dd4bf;
    --primary-soft: rgba(20, 184, 166, 0.1);
    --shadow-color: rgba(20, 184, 166, 0.15);
    --body-grad-a: #f0fdfa; --body-grad-b: #99f6e4;
    --auth-grad: linear-gradient(135deg, #14b8a6 0%, #2dd4bf 40%, #f0fdfa 100%);
}

/* ---------- 紫红色主题 ---------- */
:root[data-theme="fuchsia"] {
    --primary-color: #d946ef; --primary-2: #e879f9;
    --primary-soft: rgba(217, 70, 239, 0.1);
    --shadow-color: rgba(217, 70, 239, 0.15);
    --body-grad-a: #fdf4ff; --body-grad-b: #f5d0fe;
    --auth-grad: linear-gradient(135deg, #d946ef 0%, #e879f9 40%, #fdf4ff 100%);
}

/* ---------- 石板灰主题 ---------- */
:root[data-theme="slate"] {
    --primary-color: #64748b; --primary-2: #94a3b8;
    --primary-soft: rgba(100, 116, 139, 0.1);
    --shadow-color: rgba(100, 116, 139, 0.15);
    --body-grad-a: #f8fafc; --body-grad-b: #cbd5e1;
    --auth-grad: linear-gradient(135deg, #64748b 0%, #94a3b8 40%, #f8fafc 100%);
}

/* ---------- 森林绿主题 ---------- */
:root[data-theme="forest"] {
    --primary-color: #059669; --primary-2: #10b981;
    --primary-soft: rgba(5, 150, 105, 0.1);
    --shadow-color: rgba(5, 150, 105, 0.15);
    --body-grad-a: #ecfdf5; --body-grad-b: #a7f3d0;
    --auth-grad: linear-gradient(135deg, #059669 0%, #10b981 40%, #ecfdf5 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
    background: linear-gradient(135deg, var(--body-grad-a) 0%, var(--body-grad-b) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background 0.3s ease, color 0.3s ease;
}

/* ---------- 顶部渐变导航 ---------- */
.site-header {
    background: var(--header-grad);
    color: white;
    padding: 16px 24px;
    box-shadow: 0 10px 40px var(--shadow-color);
    transition: background 0.3s ease;
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.site-logo i {
    font-size: 22px;
}

.main-nav {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.nav-badge {
    background: #ef4444;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 10px;
    line-height: 1.5;
}

.user-area {
    display: flex;
    align-items: center;
    gap: 14px;
    color: white;
}

.user-area .coin-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.user-area a {
    color: white;
    text-decoration: none;
    font-size: 14px;
}

.user-area a.logout-link {
    background: rgba(255, 255, 255, 0.15);
    padding: 6px 14px;
    border-radius: 10px;
}

/* 主题切换器组件样式统一在 static/css/theme.css（前后台共用） */

/* ---------- 主体容器 ---------- */
.page-main {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 24px;
}

/* ---------- 卡片 ---------- */
.card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px var(--shadow-color);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    margin-bottom: 20px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-inner {
    background: var(--surface-2);
    border-radius: 16px;
    padding: 18px;
    border: 1px solid var(--border-color);
}

.sub-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---------- 表单 ---------- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 15px;
    background: var(--surface);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

.form-control-sm {
    padding: 8px 12px;
    font-size: 13px;
}

.field-tip {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 400;
}

.form-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--secondary-color);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    box-shadow: none;
}

.btn-secondary:hover {
    background: var(--hover-color);
    border-color: var(--primary-color);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-sm {
    padding: 8px 14px;
    font-size: 13px;
    border-radius: 10px;
    box-shadow: none;
}

.btn-lg {
    padding: 14px 30px;
    font-size: 16px;
}

.btn.disabled,
.btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ---------- 提示 ---------- */
.alert {
    padding: 12px 18px;
    border-radius: 12px;
    margin-bottom: 18px;
    font-size: 14px;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* ---------- 认证页 ---------- */
.auth-body {
    background: var(--auth-grad);
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* 游客浏览公开空间：普通页面背景（非登录页居中样式） */
.space-guest-body {
    background: linear-gradient(135deg, var(--body-grad-a) 0%, var(--body-grad-b) 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--card-bg);
    border-radius: 24px;
    padding: 40px 36px;
    box-shadow: 0 30px 60px rgba(30, 41, 59, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.4);
    animation: fadeUp 0.4s ease;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.auth-logo {
    text-align: center;
    margin-bottom: 28px;
}

.auth-logo .logo-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 12px;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.auth-logo h1 {
    font-size: 22px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-logo p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}

.auth-footer {
    text-align: center;
    margin-top: 22px;
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

/* ---------- 统计卡片 ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 30px var(--shadow-color);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    gap: 14px;
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    background: var(--primary-gradient);
}

.stat-card .stat-num {
    font-size: 22px;
    font-weight: 700;
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ---------- 空状态 ---------- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 56px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state h3 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

/* ---------- 工具栏 / 筛选 ---------- */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.filter-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.filter-tab {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 7px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1.5px solid var(--border-color);
    background: var(--surface);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-tab.active {
    background: var(--primary-gradient);
    color: #fff;
    border-color: transparent;
}

.book-del {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 700;
    margin-left: 2px;
    font-size: 14px;
    padding: 0 4px;
}

.book-del:hover {
    color: var(--danger-color);
}

.filter-tab-wrap {
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.sort-select {
    min-width: 200px;
}

/* ---------- 便签网格 ---------- */
.notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.note-card {
    border-radius: 16px;
    padding: 18px;
    border: 1px solid var(--border-color);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    min-height: 180px;
}

.note-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.15);
}

.note-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 10px;
}

/* 右上角操作按钮组（完成/编辑/删除）—— 对齐原型站 bq.rmqun.top 样式 */
.note-card-btns {
    display: flex;
    gap: 6px;
    align-items: center;
    white-space: nowrap;
    flex-shrink: 0;
}

.note-card-btns a {
    width: 27px;
    height: 27px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 13px;
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(0, 0, 0, 0.07);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
}

.note-card-btns a:hover {
    background: #fff;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
    color: var(--primary-color);
    transform: translateY(-1px);
}

/* 完成按钮：未完成时绿色描边，已完成时绿色实底 */
.note-card-btns .btn-done {
    color: var(--success-color);
    border-color: rgba(16, 185, 129, 0.4);
    background: rgba(16, 185, 129, 0.08);
}

.note-card-btns .btn-done.done-ok {
    background: var(--success-color);
    border-color: var(--success-color);
    color: #fff;
}

.note-card-btns a.danger-link:hover {
    background: #fef2f2;
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--danger-color);
}

/* 已完成便签：颜色变淡 + 标题删除线 */
.note-card.done {
    opacity: 0.9;
    filter: saturate(0.5) brightness(1.03);
}

.note-card.done .note-title {
    text-decoration: line-through;
    color: var(--text-secondary);
}

.note-card.done .note-content {
    color: var(--text-secondary);
}

.note-card.done .note-date {
    text-decoration: line-through;
}

/* 未完成便签：颜色更深、字体更清晰 */
.note-card:not(.done) .note-title {
    color: var(--text-primary);
    font-weight: 800;
}

.note-card:not(.done) .note-content {
    color: #111827;
    font-weight: 500;
}

.note-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    word-break: break-all;
}

.important-star {
    color: #f59e0b;
}

.done-mark {
    color: var(--success-color);
}

.vis-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 8px;
    white-space: nowrap;
}

.vis-0 {
    background: rgba(100, 116, 139, 0.12);
    color: #64748b;
}

.vis-1 {
    background: rgba(59, 130, 246, 0.12);
    color: #3b82f6;
}

.vis-2 {
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
}

.note-content {
    font-size: 14px;
    color: #334155;
    flex: 1;
    word-break: break-all;
    white-space: pre-wrap;
    margin-bottom: 10px;
}

.note-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.tag {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
}

.tag-link {
    text-decoration: none;
    transition: all 0.3s;
}

.tag-link:hover {
    background: var(--primary-color);
    color: #fff;
}

.note-views {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.note-card-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 10px;
}

.note-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.note-actions {
    display: flex;
    gap: 10px;
    font-size: 14px;
}

.note-actions a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
}

.note-actions a:hover {
    color: var(--primary-color);
}

.note-actions a.danger-link:hover {
    color: var(--danger-color);
}

/* ---------- 颜色选择器 ---------- */
.color-picker {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.color-dot-wrap input {
    display: none;
}

.color-dot {
    display: inline-block;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.color-dot-wrap input:checked + .color-dot {
    border-color: var(--primary-color);
    transform: scale(1.15);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* ---------- 单选 / 复选 ---------- */
.radio-group {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.radio-item {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 14px;
}

.radio-item input {
    accent-color: var(--primary-color);
}

.check-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    margin-right: 14px;
}

.check-item input {
    accent-color: var(--primary-color);
    width: 16px;
    height: 16px;
}

/* ---------- 搜索栏 ---------- */
.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 8px;
}

.input-row {
    display: flex;
    gap: 10px;
}

/* ---------- 公开空间 Feed ---------- */
.feed-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 14px;
}

.feed-item {
    background: var(--surface);
    border-radius: 16px;
    padding: 18px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

.feed-author {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 14px;
}

.feed-nick {
    font-weight: 700;
    font-size: 14px;
}

.feed-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.feed-content {
    border-left: 4px solid var(--primary-color);
    padding-left: 14px;
    margin-bottom: 12px;
}

.feed-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: block;
    margin-bottom: 6px;
}

.feed-title:hover {
    color: var(--primary-color);
}

.feed-text {
    font-size: 14px;
    color: #334155;
    white-space: pre-wrap;
    word-break: break-all;
}

.feed-stats {
    display: flex;
    gap: 16px;
    color: var(--text-secondary);
    font-size: 13px;
    flex-wrap: wrap;
}

.feed-stats span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ---------- 详情页互动 ---------- */
.feed-detail .feed-content {
    font-size: 16px;
}

.interact-bar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    padding: 14px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin: 8px 0 20px;
}

.interact-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1.5px solid var(--border-color);
    background: var(--surface);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.interact-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.interact-btn.active {
    background: var(--primary-gradient);
    color: #fff;
    border-color: transparent;
}

.interact-btn.active .cnt {
    color: rgba(255, 255, 255, 0.85);
}

.interact-btn .cnt {
    font-weight: 700;
}

.view-count {
    margin-left: auto;
    align-self: center;
    color: var(--text-secondary);
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* ---------- 评论 ---------- */
.comment-section {
    margin-top: 10px;
}

.comment-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 14px;
}

.comment-form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.comment-item {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.comment-body {
    flex: 1;
    background: var(--surface-2);
    border-radius: 12px;
    padding: 12px 14px;
}

.comment-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.comment-nick {
    font-weight: 700;
    font-size: 13px;
}

.comment-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.comment-del {
    font-size: 12px;
    color: var(--danger-color);
    text-decoration: none;
    margin-left: auto;
}

.comment-content {
    font-size: 14px;
    margin-bottom: 6px;
    white-space: pre-wrap;
    word-break: break-all;
}

.reply-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 12px;
    cursor: pointer;
    padding: 0;
    font-weight: 600;
}

.reply-list {
    margin-top: 10px;
    border-top: 1px dashed var(--border-color);
    padding-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.reply-item {
    font-size: 13px;
    color: #334155;
    display: flex;
    align-items: baseline;
    gap: 5px;
    flex-wrap: wrap;
}

.reply-to {
    color: var(--text-secondary);
    font-size: 12px;
}

.reply-text {
    word-break: break-all;
}

/* ---------- 倒计时 ---------- */
.countdown-layout {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.countdown-hero {
    background: linear-gradient(135deg, color-mix(in srgb, var(--event-color) 15%, white) 0%, #ffffff 100%);
    border: 1px solid color-mix(in srgb, var(--event-color) 30%, transparent);
    border-radius: 20px;
    padding: 32px;
    text-align: center;
    position: relative;
}

.hero-top {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}

.hero-label {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-secondary);
}

.pinned-badge {
    background: var(--primary-gradient);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
}

.hero-days {
    font-size: 92px;
    font-weight: 800;
    color: var(--event-color);
    line-height: 1.1;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 10px;
}

.hero-days-unit {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-secondary);
}

.hero-name {
    font-size: 22px;
    font-weight: 700;
    margin-top: 4px;
}

.hero-remark {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
    background: rgba(255, 255, 255, 0.6);
    display: inline-block;
    padding: 3px 12px;
    border-radius: 10px;
    max-width: 90%;
}

.cd-remark {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: var(--text-secondary);
    margin-top: 2px;
}

.hero-date {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 6px;
}

.hero-tag {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 8px;
    margin-left: 6px;
}

.hero-precise {
    font-size: 18px;
    font-weight: 700;
    color: var(--event-color);
    margin-top: 8px;
    letter-spacing: 1px;
}

.hero-actions {
    margin-top: 16px;
    display: flex;
    gap: 10px;
    justify-content: center;
}

.countdown-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.countdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--surface);
    border-radius: 12px;
    padding: 12px 16px;
    border: 1.5px solid var(--border-color);
    text-decoration: none;
    transition: all 0.3s;
}

.countdown-item:hover,
.countdown-item.active {
    border-color: var(--primary-color);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.12);
}

.cd-bar {
    width: 6px;
    height: 30px;
    border-radius: 4px;
    flex-shrink: 0;
}

.cd-name {
    flex: 1;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.cd-days {
    font-weight: 700;
    font-size: 14px;
    white-space: nowrap;
}

.cd-days.future {
    color: var(--primary-color);
}

.cd-days.past {
    color: #f59e0b;
}

/* 公历/农历切换 */
.cal-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.cal-tab {
    padding: 8px 22px;
    border-radius: 10px;
    border: 1.5px solid var(--border-color);
    background: var(--surface);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.cal-tab.active {
    background: var(--primary-gradient);
    color: #fff;
    border-color: transparent;
}

.lunar-picker {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.lunar-picker .form-control {
    max-width: 160px;
}

/* 进阶设置 */
.adv-panel {
    border: 1.5px solid var(--border-color);
    border-radius: 14px;
    margin-bottom: 20px;
    overflow: hidden;
}

.adv-toggle {
    width: 100%;
    padding: 12px 16px;
    background: var(--surface-2);
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.adv-arrow {
    margin-left: auto;
    transition: transform 0.3s;
}

.adv-body {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

/* ---------- 群组 ---------- */
.group-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.group-card {
    display: flex;
    gap: 14px;
    background: var(--surface);
    border-radius: 16px;
    padding: 18px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s;
}

.group-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 26px rgba(99, 102, 241, 0.15);
    border-color: var(--primary-color);
}

.group-avatar {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--primary-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.group-name {
    font-weight: 700;
    font-size: 15px;
}

.group-meta {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.group-intro {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.create-panel {
    background: var(--surface-2);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1.5px dashed var(--primary-color);
}

.friend-check-list {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.friend-check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--surface);
    border: 1.5px solid var(--border-color);
    border-radius: 20px;
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.friend-check:hover {
    border-color: var(--primary-color);
}

.friend-check input {
    accent-color: var(--primary-color);
}

.group-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 18px;
}

@media (max-width: 900px) {
    .group-layout {
        grid-template-columns: 1fr;
    }
}

.member-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px dashed var(--border-color);
}

.member-row:last-child {
    border-bottom: none;
}

.member-nick {
    flex: 1;
    font-size: 14px;
    font-weight: 600;
}

.owner-tag {
    background: var(--primary-gradient);
    color: #fff;
    font-size: 10px;
    padding: 1px 7px;
    border-radius: 8px;
    margin-left: 6px;
}

.member-kick,
.member-invite {
    color: var(--text-secondary);
    font-size: 13px;
    text-decoration: none;
}

.member-kick:hover {
    color: var(--danger-color);
}

.member-invite:hover {
    color: var(--primary-color);
}

.group-note {
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 14px;
    border: 1px solid var(--border-color);
}

.group-note-head {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.group-note-author {
    font-weight: 700;
    font-size: 13px;
}

.group-note-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.group-note-title {
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 6px;
}

.group-note-content {
    font-size: 14px;
    white-space: pre-wrap;
    word-break: break-all;
}

.group-note-annotation {
    margin-top: 8px;
    background: rgba(245, 158, 11, 0.1);
    color: #b45309;
    font-size: 13px;
    border-radius: 8px;
    padding: 8px 12px;
}

.group-note-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.flower-count {
    color: #f43f5e;
    font-size: 13px;
    font-weight: 600;
}

.group-note-actions {
    display: flex;
    gap: 8px;
}

.mini-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 12px;
    padding: 4px 10px;
    cursor: pointer;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
}

.mini-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.group-tag {
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 10px;
    font-weight: 600;
}

/* ---------- 弹窗 ---------- */
.modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(30, 41, 59, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
}

.modal-box {
    background: var(--surface);
    border-radius: 18px;
    padding: 26px;
    width: 92%;
    max-width: 460px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    animation: fadeUp 0.3s ease;
}

.modal-box h3 {
    margin-bottom: 18px;
    font-size: 17px;
}

/* ---------- 漂流瓶 ---------- */
.bottle-throw-form {
    margin-bottom: 16px;
}

.bottle-input-row {
    display: flex;
    gap: 10px;
}

.bottle-actions {
    text-align: center;
    padding: 10px 0 20px;
}

.bottle-lists {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 800px) {
    .bottle-lists {
        grid-template-columns: 1fr;
    }
}

.bottle-item {
    display: block;
    background: var(--surface);
    border-radius: 12px;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    margin-bottom: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
}

.bottle-item:hover {
    border-color: var(--primary-color);
}

.bottle-item.picked {
    border-left: 4px solid var(--success-color);
}

.bottle-text {
    font-size: 14px;
    margin-bottom: 6px;
}

.bottle-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.bottle-status.floating {
    color: #3b82f6;
}

.bottle-status.picked {
    color: var(--success-color);
}

.bottle-origin {
    background: rgba(99, 102, 241, 0.06);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 18px;
    position: relative;
}

.bottle-origin i {
    color: var(--primary-color);
    font-size: 20px;
    opacity: 0.4;
    margin-bottom: 6px;
}

.bottle-origin p {
    font-size: 15px;
    margin: 8px 0;
}

.bottle-origin-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.chat-box {
    max-height: 420px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 14px;
    background: var(--surface-2);
    border-radius: 14px;
    margin-bottom: 14px;
}

.chat-empty {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    padding: 30px;
}

.chat-msg {
    display: flex;
    flex-direction: column;
    max-width: 75%;
}

.chat-msg.mine {
    align-self: flex-end;
    align-items: flex-end;
}

.chat-msg.theirs {
    align-self: flex-start;
    align-items: flex-start;
}

.chat-bubble {
    background: var(--surface);
    border-radius: 14px;
    padding: 10px 14px;
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    word-break: break-all;
}

.chat-msg.mine .chat-bubble {
    background: var(--primary-gradient);
    color: #fff;
}

.chat-time {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 3px;
}

.chat-input-row {
    display: flex;
    gap: 10px;
}

/* ---------- 消息 ---------- */
.msg-list {
    display: flex;
    flex-direction: column;
}

.msg-item {
    display: flex;
    gap: 14px;
    padding: 14px;
    border-bottom: 1px solid var(--border-color);
    align-items: flex-start;
}

.msg-item.unread {
    background: rgba(99, 102, 241, 0.04);
}

.msg-item.unread .msg-body {
    position: relative;
}

.msg-item.unread .msg-body::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-color);
}

.msg-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #fff;
    flex-shrink: 0;
}

.msg-icon.info { background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.msg-icon.success { background: linear-gradient(135deg, #10b981, #84cc16); }
.msg-icon.warning { background: linear-gradient(135deg, #f59e0b, #f97316); }
.msg-icon.primary { background: var(--primary-gradient); }
.msg-icon.secondary { background: linear-gradient(135deg, #64748b, #475569); }
.msg-icon.rose { background: linear-gradient(135deg, #f43f5e, #fb7185); }

.msg-user {
    color: var(--primary-color);
    text-decoration: none;
}

.msg-user:hover {
    text-decoration: underline;
}

.msg-content {
    font-size: 14px;
    margin-bottom: 4px;
}

.msg-meta {
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.msg-type {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    padding: 1px 8px;
    border-radius: 8px;
    font-weight: 600;
}

.msg-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

/* ---------- 个人中心 ---------- */
.profile-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 20px;
}

@media (max-width: 800px) {
    .profile-layout {
        grid-template-columns: 1fr;
    }
}

.profile-card {
    text-align: center;
}

.profile-avatar {
    font-size: 72px;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.profile-nick {
    font-size: 20px;
    font-weight: 700;
}

.profile-account {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 10px;
}

.profile-stats {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin: 14px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.profile-stats a {
    color: var(--text-secondary);
    text-decoration: none;
}

.profile-stats strong {
    color: var(--text-primary);
    font-size: 17px;
    display: block;
}

.profile-meta {
    font-size: 13px;
    color: var(--text-secondary);
    text-align: left;
    margin: 14px 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.profile-meta p {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mutual-badge {
    display: inline-block;
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    margin-top: 6px;
}

.nick-form {
    margin-top: 14px;
    text-align: left;
}

.profile-note-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.profile-note {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s;
}

.profile-note:hover {
    border-color: var(--primary-color);
}

.profile-note-title {
    font-weight: 600;
    font-size: 14px;
}

.profile-note-stats {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    gap: 10px;
}

.user-list {
    display: flex;
    flex-direction: column;
}

.user-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
}

.user-row:hover {
    background: var(--hover-color);
}

.user-nick {
    flex: 1;
    font-weight: 600;
    font-size: 14px;
}

.user-go {
    color: var(--text-secondary);
}

.profile-follow-actions {
    margin-top: 14px;
}

/* ---------- 分页 ---------- */
.pagination {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.page-info {
    font-size: 13px;
    color: var(--text-secondary);
    margin-right: 8px;
}

.page-btn {
    padding: 7px 14px;
    border-radius: 10px;
    border: 1.5px solid var(--border-color);
    font-size: 13px;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--surface);
    transition: all 0.2s;
}

.page-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-btn.active {
    background: var(--primary-gradient);
    color: #fff;
    border-color: transparent;
}

/* ---------- 页脚 ---------- */
.site-footer {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 13px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .main-nav {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
    }
    .main-nav a {
        white-space: nowrap;
    }
    .page-main {
        padding: 16px;
    }
    .hero-days {
        font-size: 64px;
    }
}