/* ============================================================================
   PM 系统 样式 v3 - 扁平 + 蓝灰主题 + 圆角 + 阴影
   ============================================================================ */

:root {
    --color-primary:   #2563eb;  /* 主蓝 */
    --color-primary-d: #1d4ed8;
    --color-primary-l: #dbeafe;
    --color-success:   #16a34a;
    --color-warning:   #f59e0b;
    --color-danger:    #dc2626;
    --color-info:      #0891b2;
    --color-muted:     #6b7280;
    --color-bg:        #f3f4f6;
    --color-card:      #ffffff;
    --color-border:    #e5e7eb;
    --color-border-d:  #d1d5db;
    --color-text:      #1f2937;
    --color-text-soft: #4b5563;
    --color-text-mute: #9ca3af;
    --shadow-sm:  0 1px 2px rgba(0,0,0,0.04);
    --shadow:     0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md:  0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    --radius:     6px;
    --radius-lg:  10px;
    --radius-pill: 9999px;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
}

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

html, body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Segoe UI Emoji", "Apple Color Emoji", "Noto Color Emoji", Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    font-size: 14px;
}

/* emoji 字符在所有系统上稳定显示 */
.tab-nav a, .card h3, .header h1, .btn, .nav-links a {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Segoe UI Emoji", "Apple Color Emoji", "Noto Color Emoji", Arial, sans-serif;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
    font-family: Menlo, Consolas, monospace;
    background: #f3f4f6;
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 12px;
}

/* ============================================================================
   顶栏 header (双层结构: 上层企业信息 / 下层页面标题+导航)
   ============================================================================ */
.header {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: #fff;
    margin-bottom: var(--space-5);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

/* 上层: 企业信息 */
.header-top {
    background: rgba(0, 0, 0, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 0;
    font-size: 12px;
}
.header-top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
}
.company-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}
.company-logo-img {
    max-height: 32px;
    max-width: 100px;
    object-fit: contain;
    background: #fff;
    border-radius: var(--radius);
    padding: 2px 6px;
}
.company-logo-text {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}
.company-info-text { display: flex; flex-direction: column; }
.company-name {
    color: #fff;
    font-weight: 600;
    font-size: 13px;
    line-height: 1.2;
}
.company-slogan {
    color: rgba(255, 255, 255, 0.7);
    font-size: 11px;
    line-height: 1.2;
    margin-top: 1px;
}
.user-menu {
    color: rgba(255, 255, 255, 0.9);
    font-size: 12px;
}
.user-menu small { opacity: 0.7; }

/* 下层: 页面标题 + 导航 */
.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    padding-top: 12px;
    padding-bottom: 12px;
}
.header h1 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: #fff;
    white-space: nowrap;
}
.header .nav-links {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-wrap: wrap;
}
.header .nav-links a {
    color: rgba(255,255,255,0.85);
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 13px;
    transition: all 0.15s;
    margin-left: 0 !important;
    white-space: nowrap;
}
.header .nav-links a:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
    text-decoration: none;
}
.header .nav-links a.active {
    background: rgba(255,255,255,0.2);
    color: #fff;
    font-weight: 600;
}
.header .nav-links .nav-with-badge { position: relative; padding-right: 18px; }

/* ============================================================================
   二级菜单 subnav (项目 / 任务上下文)
   修复: 2026-08-31 用户反馈 "显示器参数优化" 这条 subnav 文字看不清
        原因: 浏览器缓存了 ?v=4 版本的旧 CSS,旧版是 rgba(255,255,255,0.08) 几乎透明
        现在: 强制深色实底 + 白色文字 + 高对比边框
   ============================================================================ */
.subnav {
    background: #1e3a8a !important;
    border-top: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-bottom: 2px solid #1d4ed8 !important;
    padding: 8px 0 !important;
    font-size: 13px;
    color: #fff !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}
.subnav-inner {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}
.subnav-label {
    color: #fff !important;
    font-size: 12px;
    margin-right: 8px;
    padding: 5px 12px;
    background: #000 !important;
    border: 1px solid #fbbf24;
    border-radius: var(--radius);
    max-width: 240px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.subnav a {
    color: #fff !important;
    padding: 6px 14px !important;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s;
    text-decoration: none;
    white-space: nowrap;
    opacity: 1 !important;
    border: 1px solid transparent;
}
.subnav a:hover {
    background: rgba(255, 255, 255, 0.18) !important;
    color: #fff !important;
    text-decoration: none;
    border-color: rgba(255, 255, 255, 0.3);
}
.subnav a.active {
    background: #2563eb !important;
    color: #fff !important;
    font-weight: 700;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    border-color: #93c5fd;
}

/* ============================================================================
   容器
   ============================================================================ */
.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 var(--space-5) var(--space-5);
}

/* ============================================================================
   卡片 card
   ============================================================================ */
.card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--space-5);
    margin-bottom: var(--space-5);
    border: 1px solid var(--color-border);
}
.card h3 {
    margin: 0 0 var(--space-4) 0;
    color: var(--color-text);
    font-size: 16px;
    font-weight: 600;
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}
.card h3 small { color: var(--color-text-mute); font-weight: 400; font-size: 12px; }
.card h4 {
    margin: var(--space-3) 0 var(--space-2);
    color: var(--color-text-soft);
    font-size: 14px;
    font-weight: 600;
}

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-4) 0;
}

/* ============================================================================
   统计卡 stat-card (FLEX 横排,最小宽度 110px)
   ============================================================================ */
.stats-row {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap !important;
    align-items: stretch;
    gap: 12px;
    margin-bottom: var(--space-5);
}
.stats-row > .stat-card {
    flex: 1 1 130px;
    min-width: 130px;
    max-width: 100%;
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 12px 14px;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-muted);
    text-align: left;
    transition: transform 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
}
.stats-row > .stat-card:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.stats-row > .stat-card.stat-total    { border-left-color: var(--color-muted); }
.stats-row > .stat-card.stat-todo     { border-left-color: var(--color-muted); }
.stats-row > .stat-card.stat-progress { border-left-color: var(--color-primary); }
.stats-row > .stat-card.stat-blocked  { border-left-color: var(--color-danger); }
.stats-row > .stat-card.stat-done     { border-left-color: var(--color-success); }
.stats-row > .stat-card.stat-overdue  { border-left-color: var(--color-danger); background: #fef2f2; }
.stats-row > .stat-card.stat-today    { border-left-color: var(--color-warning); background: #fffbeb; }
.stats-row > .stat-card.stat-soon     { border-left-color: var(--color-warning); }
.stats-row > .stat-card.stat-week     { border-left-color: var(--color-info); }
.stats-row > .stat-card.stat-avg      { border-left-color: #9b59b6; }
.stat-num {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.1;
    display: block;
}
.stat-label {
    font-size: 12px;
    color: var(--color-text-mute);
    margin-top: 2px;
    display: block;
}

/* ============================================================================
   提示信息 alert
   ============================================================================ */
.alert {
    padding: 10px 14px;
    margin-bottom: var(--space-4);
    border-radius: var(--radius);
    font-size: 13px;
    border: 1px solid;
}
.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border-color: #fecaca;
}
.alert-success {
    background: #f0fdf4;
    color: #166534;
    border-color: #bbf7d0;
}

/* ============================================================================
   表单
   ============================================================================ */
.form-group {
    margin-bottom: var(--space-4);
}
.form-group label {
    display: block;
    margin-bottom: var(--space-1);
    font-weight: 500;
    color: var(--color-text-soft);
    font-size: 13px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-border-d);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    background: #fff;
    color: var(--color-text);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-l);
}
.form-group input[type="color"] {
    width: 50px;
    height: 36px;
    padding: 2px;
    cursor: pointer;
}
.form-group input[type="file"] {
    padding: 6px 10px;
}
.form-group small { color: var(--color-text-mute); font-size: 12px; }

.form-row {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}
.form-row .form-group { flex: 1 1 200px; margin-bottom: 0; }

/* ============================================================================
   按钮
   ============================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s;
    line-height: 1.2;
    white-space: nowrap;
    font-family: inherit;
    background: #fff;
    color: var(--color-text);
}
.btn:hover { text-decoration: none; box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-d); border-color: var(--color-primary-d); }
.btn-success {
    background: var(--color-success);
    color: #fff;
    border-color: var(--color-success);
}
.btn-success:hover { background: #15803d; border-color: #15803d; }
.btn-warning {
    background: var(--color-warning);
    color: #fff;
    border-color: var(--color-warning);
}
.btn-warning:hover { background: #d97706; border-color: #d97706; }
.btn-danger {
    background: var(--color-danger);
    color: #fff;
    border-color: var(--color-danger);
}
.btn-danger:hover { background: #b91c1c; border-color: #b91c1c; }

/* 紧凑小按钮 */
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ============================================================================
   登录页
   ============================================================================ */
.login-page {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-container {
    width: 100%;
    max-width: 380px;
    background: #fff;
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
.login-container h1 {
    text-align: center;
    color: var(--color-text);
    font-size: 22px;
    margin-bottom: 4px;
}
.login-container h2 {
    text-align: center;
    color: var(--color-text-mute);
    margin-bottom: 28px;
    font-size: 14px;
    font-weight: 400;
}
.login-hint {
    margin-top: 20px;
    padding: 12px;
    background: #f3f4f6;
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--color-text-mute);
    text-align: center;
}
.login-container .btn { width: 100%; justify-content: center; padding: 10px; font-size: 14px; }

/* ============================================================================
   表格
   ============================================================================ */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #fff;
    font-size: 13px;
}
.table th,
.table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
.table th {
    background: #f9fafb;
    font-weight: 600;
    color: var(--color-text-soft);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.table tr:hover td { background: #f9fafb; }
.table tr:last-child td { border-bottom: none; }

/* 表格行高亮 */
.table tr.row-overdue td { background: #fef2f2 !important; }
.table tr.row-overdue:hover td { background: #fee2e2 !important; }
.table tr.row-today td { background: #fffbeb !important; }
.table tr.row-today:hover td { background: #fef3c7 !important; }
.table tr.row-soon td { background: #fffbf2; }

/* ============================================================================
   状态徽标 status-badge
   ============================================================================ */
.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2px;
    white-space: nowrap;
}
.status-todo        { background: #f3f4f6; color: #4b5563; }
.status-in_progress { background: #dbeafe; color: #1e40af; }
.status-blocked     { background: #fee2e2; color: #991b1b; }
.status-done        { background: #dcfce7; color: #166534; }

.badge-overdue {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-danger);
    color: #fff;
    border-radius: var(--radius-pill);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    white-space: nowrap;
}
.badge-warn {
    display: inline-block;
    padding: 2px 8px;
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
}

/* ============================================================================
   进度条
   ============================================================================ */
.progress-bar {
    position: relative;
    background: #e5e7eb;
    border-radius: var(--radius-pill);
    overflow: hidden;
    height: 20px;
    width: 100%;
    min-width: 80px;
}
.progress-bar-fill {
    position: absolute;
    top: 0; left: 0; bottom: 0;
    background: linear-gradient(90deg, var(--color-primary), var(--color-success));
    transition: width 0.4s;
}
.progress-bar-text {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: #fff;
    font-weight: 600;
    text-shadow: 0 0 2px rgba(0,0,0,0.3);
}

/* ============================================================================
   任务链接 + 任务卡片
   ============================================================================ */
.task-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
}
.task-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* 看板 */
.kanban-board {
    display: flex;
    gap: var(--space-4);
    overflow-x: auto;
    padding: var(--space-3) 0;
    align-items: flex-start;
}
.kanban-column {
    flex: 1 1 240px;
    min-width: 240px;
    background: #f3f4f6;
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    border: 1px solid var(--color-border);
}
.kanban-column h4 {
    margin: 0 0 var(--space-3) 0;
    color: var(--color-text-soft);
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--color-border);
}
.kanban-card {
    background: #fff;
    border-radius: var(--radius);
    padding: var(--space-3);
    margin-bottom: var(--space-3);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    transition: all 0.15s;
}
.kanban-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.kanban-card.is-overdue { border-left-color: var(--color-danger); }
.kanban-card.is-overdue .kanban-card-title a { color: var(--color-danger); }
.kanban-card-title {
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text);
    font-size: 13px;
}
.kanban-card-meta {
    font-size: 11px;
    color: var(--color-text-mute);
    line-height: 1.6;
}

/* ============================================================================
   任务详情页 - 任务元信息
   ============================================================================ */
.task-meta > div {
    padding: 3px 0;
    font-size: 13px;
    color: var(--color-text-soft);
}
.task-meta strong { color: var(--color-text); margin-right: 6px; }
.task-desc {
    white-space: pre-wrap;
    padding: var(--space-3);
    background: #f9fafb;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    color: var(--color-text-soft);
    font-size: 13px;
}
.task-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.task-progress { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }

/* ============================================================================
   依赖关系
   ============================================================================ */
.dep-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.dep-list li {
    padding: var(--space-2) var(--space-3);
    border-left: 3px solid var(--color-primary);
    background: #f9fafb;
    margin-bottom: 6px;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 13px;
}

/* ============================================================================
   标签 pill
   ============================================================================ */
.tag-pill {
    display: inline-block;
    padding: 2px 10px;
    margin: 2px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    color: #fff;
    background: var(--color-primary);
    font-weight: 500;
    white-space: nowrap;
}

/* ============================================================================
   Checklist
   ============================================================================ */
.checklist {
    list-style: none;
    padding: 0;
    margin: 0;
}
.checklist-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 6px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 13px;
}
.checklist-item.is-done span { text-decoration: line-through; color: var(--color-text-mute); }
.check-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    padding: 0;
    line-height: 1;
}
.check-del {
    background: none;
    border: none;
    color: var(--color-text-mute);
    cursor: pointer;
    font-size: 14px;
    padding: 0 6px;
    margin-left: auto;
    border-radius: var(--radius);
}
.check-del:hover { color: var(--color-danger); background: #fee2e2; }

/* ============================================================================
   评论
   ============================================================================ */
.comment-list { margin-top: var(--space-4); }
.comment-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-border);
    align-items: flex-start;
}
.comment-item:last-child { border-bottom: none; }
.comment-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}
.comment-content { flex: 1; min-width: 0; }
.comment-meta { margin-bottom: 4px; }
.comment-time { color: var(--color-text-mute); font-size: 11px; margin-left: 8px; }
.comment-text {
    color: var(--color-text);
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.6;
    font-size: 13px;
}

/* ============================================================================
   通知
   ============================================================================ */
.notif-badge {
    position: absolute;
    top: -2px;
    right: 0;
    background: var(--color-danger);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-pill);
    min-width: 18px;
    text-align: center;
    line-height: 1;
}
.notif-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-border);
    align-items: flex-start;
    transition: background 0.15s;
}
.notif-item:hover { background: #f9fafb; }
.notif-item.is-unread {
    background: #fffbeb;
    border-left: 3px solid var(--color-warning);
}
.notif-item.is-read { opacity: 0.7; }
.notif-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}
.notif-body { flex: 1; min-width: 0; }
.notif-title {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-text);
    font-size: 13px;
}
.notif-type {
    display: inline-block;
    background: #f3f4f6;
    color: var(--color-text-soft);
    padding: 1px 8px;
    border-radius: var(--radius);
    font-size: 10px;
    margin-right: 6px;
    font-weight: 500;
    letter-spacing: 0.3px;
}
.notif-text {
    color: var(--color-text-soft);
    font-size: 13px;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.5;
}
.notif-meta {
    margin-top: 6px;
    font-size: 11px;
    color: var(--color-text-mute);
}
.notif-time { margin-right: 12px; }
.notif-link {
    color: var(--color-primary);
    text-decoration: none;
    margin-right: 12px;
    font-weight: 500;
}
.notif-link:hover { text-decoration: underline; }
.notif-mark {
    background: none;
    border: 1px solid var(--color-success);
    color: var(--color-success);
    padding: 2px 8px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 11px;
    font-family: inherit;
}
.notif-mark:hover { background: var(--color-success); color: #fff; }

/* ============================================================================
   顶栏搜索框
   ============================================================================ */
.top-search {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    background: #fff;
    padding: 6px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}
.top-search input[type="text"] {
    flex: 1;
    padding: 8px 14px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    background: transparent;
}
.top-search input[type="text"]:focus { outline: none; }
.top-search .btn { padding: 8px 16px; }

/* ============================================================================
   状态条形图 (项目仪表盘)
   ============================================================================ */
.status-bar {
    display: flex;
    height: 28px;
    border-radius: var(--radius);
    overflow: hidden;
    background: #f3f4f6;
    margin-bottom: var(--space-3);
    border: 1px solid var(--color-border);
}
.status-bar-seg {
    height: 100%;
    color: #fff;
    text-align: center;
    line-height: 28px;
    font-size: 11px;
    font-weight: 500;
    transition: width 0.4s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================================================
   筛选行
   ============================================================================ */
.filter-row {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    align-items: end;
    margin-bottom: var(--space-4);
    padding: var(--space-3);
    background: #f9fafb;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}
.filter-row .form-group { margin: 0; min-width: 120px; flex: 0 0 auto; }
.filter-row .form-group label { font-size: 12px; margin-bottom: 2px; }
.filter-row .form-group select,
.filter-row .form-group input {
    padding: 6px 10px;
    font-size: 13px;
}

/* ============================================================================
   操作日志 pre
   ============================================================================ */
.log-details {
    font-family: Menlo, Consolas, monospace;
    font-size: 11px;
    background: #f9fafb;
    padding: 6px 8px;
    border-radius: var(--radius);
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
    max-width: 480px;
    max-height: 140px;
    overflow: auto;
    border: 1px solid var(--color-border);
}

/* ============================================================================
   操作类型 tag
   ============================================================================ */
.action-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.action-create         { background: var(--color-success); }
.action-update         { background: var(--color-info); }
.action-delete         { background: var(--color-danger); }
.action-status_change  { background: #6f42c1; }
.action-assign         { background: #fd7e14; }
.action-reassign       { background: #e83e8c; }
.action-block          { background: var(--color-danger); }
.action-unblock        { background: #20c997; }
.action-request_assist { background: var(--color-warning); color: #1f2937; }
.action-resolve_assist { background: var(--color-success); }
.action-login          { background: var(--color-muted); }
.action-logout         { background: var(--color-muted); }
.action-add_member     { background: #007bff; }
.action-remove_member  { background: #fd7e14; }
.action-comment        { background: var(--color-info); }
.action-upload         { background: #0d9488; }
.action-download       { background: #6366f1; }
.action-archive        { background: var(--color-warning); color: #1f2937; }
.action-unarchive      { background: var(--color-success); }
.action-search         { background: var(--color-muted); }

/* ============================================================================
   两栏 / 多栏布局
   ============================================================================ */
.row-2col {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}
.row-2col > .card {
    flex: 1 1 360px;
    min-width: 0;
}

/* ============================================================================
   日历
   ============================================================================ */
.cal-nav {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    justify-content: center;
    margin-bottom: var(--space-4);
}
.cal-nav h3 { margin: 0; border: none; padding: 0; }
.cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--color-border);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}
.cal-cell-head {
    background: #f9fafb;
    padding: 8px;
    text-align: center;
    font-weight: 600;
    font-size: 12px;
    color: var(--color-text-soft);
}
.cal-cell {
    background: #fff;
    min-height: 110px;
    padding: 6px;
    vertical-align: top;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.cal-day-num {
    font-weight: 600;
    font-size: 12px;
    color: var(--color-text-soft);
    width: fit-content;
}
.cal-day-num.is-today { color: #fff; background: var(--color-danger); border-radius: 50%; padding: 2px 8px; }
.cal-day-num.is-sunday { color: var(--color-danger); }
.cal-day-num.is-saturday { color: var(--color-primary); }
.cal-task {
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    border-left: 3px solid var(--color-primary);
    cursor: pointer;
    text-decoration: none;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: all 0.15s;
}
.cal-task:hover { background: #e5e7eb; text-decoration: none; }
.cal-task.status-todo        { border-left-color: var(--color-muted); }
.cal-task.status-in_progress { border-left-color: var(--color-primary); }
.cal-task.status-blocked     { border-left-color: var(--color-danger); }
.cal-task.status-done        { border-left-color: var(--color-success); opacity: 0.6; text-decoration: line-through; }
.cal-task.is-overdue         { background: #fee2e2; }
.cal-other-month { background: #f9fafb; opacity: 0.4; }

/* ============================================================================
   甘特图
   ============================================================================ */
.gantt-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); }
.gantt-table { min-width: 100%; border-collapse: collapse; }
.gantt-table th, .gantt-table td {
    padding: 0;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}
.gantt-name-col {
    position: sticky;
    left: 0;
    background: #fff;
    z-index: 2;
    padding: 8px 12px !important;
    min-width: 220px;
    max-width: 260px;
    border-right: 2px solid var(--color-border);
}
.gantt-name-col a { color: var(--color-text); text-decoration: none; font-weight: 500; }
.gantt-name-col a:hover { color: var(--color-primary); text-decoration: underline; }
.gantt-time-col { height: 36px; min-width: 50px; max-width: 60px; text-align: center; font-size: 11px; color: var(--color-text-soft); background: #f9fafb; position: relative; }
.gantt-time-col.is-today { background: #fef3c7; color: #92400e; font-weight: 600; }
.gantt-time-col.is-weekend { background: #f3f4f6; }
.gantt-row { height: 36px; }
.gantt-row:hover td:not(.gantt-time-col) { background: #f9fafb; }
.gantt-bar {
    position: absolute;
    height: 22px;
    top: 7px;
    border-radius: var(--radius);
    padding: 2px 8px;
    font-size: 11px;
    color: #fff;
    line-height: 18px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    text-decoration: none;
    z-index: 3;
}
.gantt-bar:hover { text-decoration: none; box-shadow: var(--shadow-md); }
.gantt-bar.todo        { background: var(--color-muted); }
.gantt-bar.in_progress { background: var(--color-primary); }
.gantt-bar.blocked     { background: var(--color-danger); }
.gantt-bar.done        { background: var(--color-success); opacity: 0.7; }
.gantt-bar.is-overdue  { box-shadow: 0 0 0 2px var(--color-danger); }
.gantt-bar-progress { position: absolute; top: 0; left: 0; bottom: 0; background: rgba(0,0,0,0.2); border-radius: var(--radius) 0 0 var(--radius); }
.gantt-month-head {
    text-align: center;
    font-weight: 600;
    background: #e5e7eb;
    padding: 6px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-soft);
    font-size: 12px;
}

/* ============================================================================
   设置页 tab
   ============================================================================ */
.tab-nav {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--space-5);
}
.tab-nav a {
    padding: 10px 18px;
    text-decoration: none;
    color: var(--color-text-soft);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    font-weight: 500;
    border-radius: var(--radius) var(--radius) 0 0;
}
.tab-nav a:hover { background: #f3f4f6; text-decoration: none; }
.tab-nav a.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: #fff;
    font-weight: 600;
}
.tab-content { display: none; }
.tab-content.active { display: block; }

.role-card, .user-card {
    border: 1px solid var(--color-border);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    border-radius: var(--radius);
    background: #fafafa;
}
.role-card h4, .user-card h4 { margin-top: 0; color: var(--color-text); font-size: 14px; }
.role-info, .user-info { font-size: 13px; color: var(--color-text-soft); margin: 4px 0; }
.action-buttons { margin-top: var(--space-3); display: flex; gap: 6px; }

/* ============================================================================
   模态框
   ============================================================================ */
#addMemberModal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
#addMemberModal > div {
    background: #fff;
    max-width: 500px;
    width: 90%;
    margin: auto;
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}
#addMemberModal h3 { margin-top: 0; }

/* ============================================================================
   响应式: 窄屏优化
   ============================================================================ */
@media (max-width: 768px) {
    .container { padding: var(--space-3); }
    .header h1 { font-size: 16px; }
    .header .nav-links { font-size: 12px; }
    .header .nav-links a { padding: 4px 8px; font-size: 12px; }
    .stats-row { gap: var(--space-2); }
    .stat-card { flex: 1 1 calc(50% - 4px); min-width: 0; }
    .form-row { flex-direction: column; gap: 0; }
    .form-row .form-group { margin-bottom: var(--space-3); }
    .kanban-board { flex-direction: column; }
    .kanban-column { min-width: 0; }
    .cal-cell { min-height: 70px; }
    .cal-task { font-size: 10px; }
}

/* ============================================================================
   滚动条美化
   ============================================================================ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #f3f4f6; }
::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: #9ca3af; }

/* ============================================================================
   工具类
   ============================================================================ */
.text-muted { color: var(--color-text-mute); }
.text-small { font-size: 12px; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.flex { display: flex; gap: var(--space-3); align-items: center; }
.flex-1 { flex: 1; }
.text-right { text-align: right; }

/* 区域标题行: 标题 + 操作 */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-2);
}
.section-header h2, .section-header h3 { margin: 0; border: none; padding: 0; }

/* ============================================================================
   项目进度摘要行 (projects.php 列表里每个项目下方的迷你仪表盘)
   ============================================================================ */
.project-progress-row { background:#f8fafc !important; }
.project-progress-row > td { padding: 8px 12px !important; border-top: 0 !important; }
.project-progress-summary {
    display:flex; align-items:center; gap:14px; flex-wrap:wrap;
    font-size:12px; color:var(--color-text-soft);
}
.project-progress-summary .stat {
    display:inline-flex; align-items:center; gap:4px;
    padding: 2px 8px; background:#fff; border:1px solid var(--color-border);
    border-radius: 12px; line-height: 1.4;
}
.project-progress-summary .stat strong { color: var(--color-text); font-weight: 600; }
.project-progress-summary .stat.done       strong { color: #16a34a; }
.project-progress-summary .stat.in_progress strong { color: #2563eb; }
.project-progress-summary .stat.todo       strong { color: #6b7280; }
.project-progress-summary .stat.blocked    strong { color: #dc2626; }
.project-progress-summary .stat.overdue    strong { color: #dc2626; }
.project-progress-summary .stat.empty      { color: var(--color-text-mute); font-style: italic; }
.project-progress-bar {
    flex: 1; min-width: 120px; max-width: 240px;
    height: 8px; background: #e5e7eb; border-radius: 4px; overflow: hidden;
    position: relative;
}
.project-progress-bar > .fill {
    height: 100%; background: linear-gradient(90deg, #3b82f6, #16a34a);
    transition: width 0.3s;
}
.project-progress-summary .label { color: var(--color-text-mute); font-size: 11px; }

/* ============================================================================
   分页 pagination
   ============================================================================ */
.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
    margin: var(--space-4) 0;
    padding: var(--space-3) 0;
    border-top: 1px solid var(--color-border);
}
.pagination .page-link {
    display: inline-block;
    padding: 5px 12px;
    font-size: 13px;
    color: var(--color-text-soft);
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.15s;
    min-width: 32px;
    text-align: center;
}
.pagination .page-link:hover {
    background: var(--color-primary-l);
    color: var(--color-primary-d);
    border-color: var(--color-primary);
    text-decoration: none;
}
.pagination .page-link.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    font-weight: 600;
    cursor: default;
}
.pagination .page-link.disabled {
    color: var(--color-text-mute);
    background: var(--color-bg);
    cursor: not-allowed;
    opacity: 0.6;
}
.pagination .page-ellipsis {
    padding: 5px 4px;
    color: var(--color-text-mute);
}

/* ============================================================================
   Footer (Kindyun.com 版权 + 企业信息)
   ============================================================================ */
.site-footer {
    background: #1f2937;
    color: rgba(255, 255, 255, 0.75);
    margin-top: var(--space-8);
    padding: 24px 0 18px;
    font-size: 12px;
    border-top: 4px solid var(--color-primary);
}
.site-footer .container { padding-bottom: 0; }
.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: space-between;
    align-items: flex-start;
}
.footer-company {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1 1 300px;
    min-width: 240px;
}
.footer-logo {
    max-height: 36px;
    max-width: 100px;
    background: #fff;
    border-radius: var(--radius);
    padding: 4px 6px;
    object-fit: contain;
}
.footer-links {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 4px;
}
.footer-links a, .footer-links span {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 12px;
}
.footer-links a:hover { color: #fff; text-decoration: underline; }
.footer-meta {
    text-align: right;
    flex: 0 0 auto;
    line-height: 1.8;
}
.footer-copyright { color: rgba(255, 255, 255, 0.85); }
.footer-copyright a { color: #93c5fd; text-decoration: none; }
.footer-copyright a:hover { text-decoration: underline; }
.footer-icp a { color: rgba(255, 255, 255, 0.7); text-decoration: none; }
.footer-icp a:hover { color: #fff; }
.footer-version { color: rgba(255, 255, 255, 0.55); font-size: 11px; }
.footer-version a { color: #93c5fd; text-decoration: none; }
.footer-version a:hover { text-decoration: underline; }

@media (max-width: 768px) {
    .footer-meta { text-align: left; }
    .footer-company { flex-basis: 100%; }
}

/* ============================================================================
   企业信息预览块 (settings_company.php)
   ============================================================================ */
.company-preview {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: #f9fafb;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}
.company-preview .company-logo-img {
    max-height: 48px;
    max-width: 120px;
    background: #fff;
    padding: 6px 10px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.company-preview .company-logo-text {
    width: 56px;
    height: 56px;
    font-size: 22px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}
.company-info-preview { flex: 1; }