/* ============================================
   PMO 项目管理系统 - 样式系统
   清爽简约风格
   ============================================ */

/* ---------- 基础变量 ---------- */
:root {
  --primary: #4f6bed;
  --primary-light: #6c83f2;
  --primary-dark: #3a56d4;
  --primary-bg: #eef2ff;
  --primary-bg-hover: #e0e7ff;

  --success: #10b981;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --info: #3b82f6;
  --info-bg: #eff6ff;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --text: #1f2937;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --border: #e8eaed;
  --border-light: #f0f1f3;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.08);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.12);

  --sidebar-w: 240px;
  --sidebar-collapsed-w: 64px;
  --topbar-h: 60px;

  --font: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

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

/* v72: 多浏览器/移动端基础兼容 */
html { font-size: 14px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent; /* v72: 去除移动端点击蓝色高亮 */
  -webkit-text-size-adjust: 100%;           /* v72: 禁止 iOS 横屏自动放大文字 */
  text-size-adjust: 100%;
  overflow: hidden;
}

a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; outline: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ============================================
   布局
   ============================================ */
/* v74: 满屏背景轮播 (海边/天空/草地) */
.login-bg-slideshow {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0; /* 在 pane-left/right 之下 */
  overflow: hidden;
  background: #0f172a; /* fallback */
}
.login-bg-slide {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  /* 每张图轮流淡入 (默认全部隐藏，由 nth-child 控制不同时机显示) */
  opacity: 0;
  /* Ken Burns 缓慢推近 */
  transform: scale(1.0);
  transition: none;
  /* fade 时长 */
  -webkit-animation: loginBgFade 24s infinite ease-in-out;
          animation: loginBgFade 24s infinite ease-in-out;
  will-change: opacity, transform;
}
.login-bg-slide-1 {
  background-image: url('../img/login-bg/sea.jpg?v=76');
  -webkit-animation-delay: 0s;
          animation-delay: 0s;
}
.login-bg-slide-2 {
  background-image: url('../img/login-bg/sky.jpg?v=76');
  -webkit-animation-delay: 8s;
          animation-delay: 8s;
}
.login-bg-slide-3 {
  background-image: url('../img/login-bg/grass.jpg?v=76');
  -webkit-animation-delay: 16s;
          animation-delay: 16s;
}
/* 关键帧：每张图 24s 周期里只显示 ~8s（占 1/3）+ 2s 淡入淡出交叉 */
@-webkit-keyframes loginBgFade {
  0%   { opacity: 0; transform: scale(1.0); }
  4%   { opacity: 1; }
  33%  { opacity: 1; transform: scale(1.08); }  /* Ken Burns 推近 */
  37%  { opacity: 0; }
  100% { opacity: 0; transform: scale(1.0); }
}
@keyframes loginBgFade {
  0%   { opacity: 0; transform: scale(1.0); }
  4%   { opacity: 1; }
  33%  { opacity: 1; transform: scale(1.08); }
  37%  { opacity: 0; }
  100% { opacity: 0; transform: scale(1.0); }
}
/* 全屏深色渐变遮罩：保证左侧品牌白字 + 右侧表单可读 */
.login-bg-overlay {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(15,23,42,0.85) 0%, rgba(15,23,42,0.55) 38%, rgba(15,23,42,0.25) 65%, rgba(15,23,42,0.10) 100%);
  pointer-events: none;
}

/* v74: 左品牌/右表单 提到轮播层之上 */
.login-screen .login-pane-left,
.login-screen .login-pane-right {
  position: relative;
  z-index: 2;
}
.login-screen {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  /* fallback 旧浏览器不支持 dvh */
  height: 100vh; height: 100dvh;
  display: flex; flex-direction: row;
  background: #ffffff;
  z-index: 9999;
  overflow: hidden;
}
/* 左侧：品牌区（v77: 去掉实色背景，透出满屏轮播图，靠遮罩保证可读） */
.login-pane-left {
  flex: 0 0 42%; /* 桌面左 42% */
  background: transparent; /* v77: 原为 #0f172a 实色挡住背景 */
  color: #cbd5e1;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 56px 48px;
  position: relative;
}
.login-brand {
  display: flex; flex-direction: column;
  color: #ffffff;
}
.login-brand-mark {
  color: #ffffff; /* 内填色跟随 currentColor */
  margin-bottom: 32px;
}
.login-brand-name {
  font-size: 42px; font-weight: 200; letter-spacing: 6px;
  line-height: 1; color: #ffffff;
  margin-bottom: 12px;
}
.login-brand-tagline {
  font-size: 13px; letter-spacing: 2px;
  color: #64748b; font-weight: 400;
  text-transform: uppercase;
}
.login-brand-quote {
  padding-left: 18px;
  border-left: 2px solid #334155;
  max-width: 360px;
}
.quote-line { display: none; } /* 兼容老节点 */
.login-brand-quote p {
  font-size: 15px; line-height: 1.75; color: #94a3b8;
  font-weight: 300; letter-spacing: 0.5px;
  margin: 0;
}
.login-copyright {
  font-size: 11px; color: rgba(255, 255, 255, 0.55); /* v77: 亮背景上灰色不可见 → 半透白 */
  letter-spacing: 1px;
}
/* 右侧：背景图透出区 + 居中表单 */
.login-pane-right {
  flex: 1 1 auto; min-width: 0;
  display: flex; align-items: center; justify-content: center;
  background: transparent;  /* v74: 透出背景轮播图 */
  padding: 40px 32px;
}
.login-card {
  width: 100%; max-width: 380px;
  text-align: left;
  /* v74: 毛玻璃卡片（兼容 fallback） */
  background: rgba(255, 255, 255, 0.72);  /* fallback */
  background: rgba(255, 255, 255, 0.55);  /* 实色（不支持 backdrop-filter 时用） */
  -webkit-backdrop-filter: blur(16px) saturate(140%);
          backdrop-filter: blur(16px) saturate(140%);
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.18);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  padding: 36px 32px;
}
.login-title {
  font-size: 26px; font-weight: 600;
  color: #0f172a; /* 严谨主色 */
  letter-spacing: 0.5px;
  margin: 0 0 6px;
}
.login-subtitle {
  font-size: 13px; color: #64748b;
  margin: 0 0 36px;
}
.login-field { margin-bottom: 22px; }
.login-label {
  display: block; font-size: 12px; font-weight: 600;
  color: #475569; margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.login-input {
  width: 100%; padding: 11px 14px;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  border-radius: 4px;
  font-size: 14px; color: #0f172a;
  outline: none; transition: border-color .15s, box-shadow .15s;
  box-sizing: border-box;
  font-family: inherit;
}
.login-input:hover { border-color: #94a3b8; }
.login-input:focus {
  border-color: #0f172a;
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}
.login-input::placeholder { color: #94a3b8; }
.login-error {
  background: #fef2f2; color: #b91c1c; font-size: 13px;
  padding: 9px 12px; border-radius: 4px; margin-bottom: 18px;
  border-left: 3px solid #b91c1c;
}
.login-btn {
  width: 100%; padding: 12px 16px;
  border: 1px solid #0f172a;
  background: #0f172a; color: #ffffff;
  border-radius: 4px;
  font-size: 14px; font-weight: 600;
  letter-spacing: 2px;
  cursor: pointer;
  transition: background .15s, transform .08s;
  margin-top: 8px;
}
.login-btn:hover { background: #1e293b; }
.login-btn:active { transform: translateY(1px); }
.login-btn:disabled { background: #94a3b8; border-color: #94a3b8; cursor: not-allowed; }

.app-layout {
  display: flex;
  height: 100vh;
  height: 100dvh; /* v72: iOS Safari 动态视口，旧浏览器回退 100vh */
  overflow: hidden;
}

/* v72: 移动端侧边栏抽屉遮罩（≤768px 生效） */
.sidebar-backdrop {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.4);
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s;
  z-index: 150; /* sidebar z-index 200 之下 */
}
.app-layout.sidebar-mobile-open .sidebar-backdrop { opacity: 1; visibility: visible; }

/* ---------- 侧边栏 ---------- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--card-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: width 0.25s ease;
  z-index: 100;
}
.app-layout.sidebar-collapsed .sidebar { width: var(--sidebar-collapsed-w); }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-h);
  padding: 0 16px;
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}
.logo svg { flex-shrink: 0; }
.logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
  white-space: nowrap;
  transition: opacity 0.2s;
}
.app-layout.sidebar-collapsed .logo-text { opacity: 0; width: 0; }

.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  color: var(--gray-500);
  transition: all 0.15s;
  flex-shrink: 0;
}
.sidebar-toggle:hover { background: var(--gray-100); color: var(--gray-700); }
.app-layout.sidebar-collapsed .sidebar-toggle { transform: rotate(180deg); }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 10px;
}

.nav-group { margin-bottom: 20px; }
.nav-group-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0 10px 8px;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.app-layout.sidebar-collapsed .nav-group-label { opacity: 0; height: 0; padding: 0; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--gray-600);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  position: relative;
}
.nav-item:hover { background: var(--gray-100); color: var(--gray-800); }
.nav-item.active {
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 600;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-item svg { flex-shrink: 0; }
.app-layout.sidebar-collapsed .nav-item { justify-content: center; padding: 10px; }
.app-layout.sidebar-collapsed .nav-item span { opacity: 0; width: 0; overflow: hidden; }
.app-layout.sidebar-collapsed .nav-item.active::before { display: none; }

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border-light);
  flex-shrink: 0;
}
.app-layout.sidebar-collapsed .sidebar-footer { padding: 12px 8px; }

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
  cursor: pointer;
}
.user-card:hover { background: var(--gray-100); }

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}
.user-avatar.sm { width: 28px; height: 28px; font-size: 11px; }
.user-avatar.xs { width: 24px; height: 24px; font-size: 10px; }
.user-avatar.green { background: var(--success); }
.user-avatar.orange { background: var(--warning); }
.user-avatar.purple { background: #8b5cf6; }
.user-avatar.cyan { background: #06b6d4; }
.user-avatar.pink { background: #ec4899; }

.user-info { overflow: hidden; }
.user-name { font-size: 13px; font-weight: 600; color: var(--gray-800); white-space: nowrap; }
.user-role { font-size: 11px; color: var(--text-tertiary); white-space: nowrap; }
.app-layout.sidebar-collapsed .user-info { display: none; }
.app-layout.sidebar-collapsed .btn-exit { display: none; }
.btn-exit:hover { background: rgba(220,38,38,.08) !important; color: var(--danger) !important; }

/* ---------- 主区域 ---------- */
.main-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* ---------- 顶栏 ---------- */
.topbar {
  height: var(--topbar-h);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  flex-shrink: 0;
}

.topbar-left { display: flex; align-items: center; gap: 12px; }
.page-title { font-size: 18px; font-weight: 700; color: var(--gray-800); }

/* v72: 移动端汉堡按钮（仅 ≤768px 显示，打开侧边栏抽屉） */
.mobile-menu-btn {
  display: none; /* 桌面隐藏 */
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  margin-left: -6px;
  border-radius: var(--radius-sm);
  color: var(--gray-600);
  cursor: pointer;
}
.mobile-menu-btn:active { background: var(--gray-100); }

.topbar-right { display: flex; align-items: center; gap: 12px; }

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  width: 240px;
  height: 36px;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.search-box:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px var(--primary-bg); }
.search-box svg { color: var(--gray-400); flex-shrink: 0; }
.search-box input { border: none; background: none; font-size: 13px; flex: 1; min-width: 0; }

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: var(--gray-500);
  transition: all 0.15s;
  position: relative;
}
.icon-btn:hover { background: var(--gray-100); color: var(--gray-700); }

.badge-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 7px;
  height: 7px;
  background: var(--danger);
  border-radius: 50%;
  border: 1.5px solid var(--card-bg);
}

.topbar-divider { width: 1px; height: 24px; background: var(--border); }

.topbar-user { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.topbar-username { font-size: 13px; font-weight: 500; color: var(--gray-700); }

/* ---------- 内容区 ---------- */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.page-enter { animation: pageEnter 0.25s ease; }
@keyframes pageEnter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   通用组件
   ============================================ */

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success, #22c55e); color: #fff; }
.btn-success:hover { background: #16a34a; }
.btn-secondary { background: var(--card-bg); border-color: var(--border); color: var(--gray-600); }
.btn-secondary:hover { background: var(--gray-50); border-color: var(--gray-300); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-ghost { color: var(--gray-500); padding: 6px 10px; }
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-700); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 10px 20px; font-size: 14px; }
.btn-icon { padding: 6px; }
.btn-block { width: 100%; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
}
.card-title { font-size: 14px; font-weight: 600; color: var(--gray-800); }
.card-body { padding: 20px; }
.card-body.flush {
  padding: 0;
  overflow-x: auto;                    /* v72: 宽表格手机横向滚动 */
  -webkit-overflow-scrolling: touch;   /* v72: 旧 iOS 惯性滚动 */
}

/* ---------- 徽章 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 20px;
  white-space: nowrap;
}
.badge-primary { background: var(--primary-bg); color: var(--primary); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: #d97706; }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-gray { background: var(--gray-100); color: var(--gray-500); }
.badge-dot-status { padding-left: 18px; position: relative; }
.badge-dot-status::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ---------- 进度条 ---------- */
.progress {
  height: 6px;
  background: var(--gray-100);
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.4s ease;
}
.progress-bar.success { background: var(--success); }
.progress-bar.warning { background: var(--warning); }
.progress-bar.danger { background: var(--danger); }

/* ---------- 表格 ---------- */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.table th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  background: var(--gray-50);
  white-space: nowrap;
}
.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--gray-700);
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }

/* v78: 宽表格操作列 sticky（表格加 .ops 类，横滚时操作按钮不被滚走） */
.table.ops th:last-child,
.table.ops td:last-child {
  white-space: nowrap;
}
@media (max-width: 768px) {
  .table.ops th:last-child,
  .table.ops td:last-child {
    position: -webkit-sticky;
    position: sticky;
    right: 0;
    background: #ffffff;              /* 遮住底下滚过的内容 */
    box-shadow: -6px 0 8px -6px rgba(15, 23, 42, 0.18);  /* 左缘阴影提示可滚 */
    border-left: 1px solid var(--border-light);
  }
  .table.ops th:last-child { background: var(--gray-50); }
  /* 斑马纹/悬停行 sticky 单元格背景跟随 */
  .table.ops tbody tr:hover td:last-child { background: #f8fafc; }
  .data-table.ops tbody tr:hover td:last-child { background: var(--primary-bg, #eef2ff); }
}
.table tbody tr { transition: background 0.1s; }
.table tbody tr:hover { background: var(--gray-50); }

/* ---------- 表单 ---------- */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.form-label .required { color: var(--danger); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 9px 12px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  transition: all 0.15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

/* ---------- 模态框 ---------- */
.modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
  z-index: 999;
}
.modal-overlay.show { opacity: 1; visibility: visible; }

.modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
  z-index: 1000;
}
.modal.show { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }

/* v78: 合同附件预览弹窗（桌面 860px，移动端走 .modal 媒体查询 94vw） */
.modal.fp-modal { max-width: 860px; max-height: 90vh; }
.modal.wide { max-width: 760px; }
.modal.full { max-width: 96vw; width: 96vw; max-height: 92vh; }

/* ---------- Gantt ---------- */
.gantt-header-info { padding: 14px 18px; border-bottom: 1px solid var(--gray-200); background: #fafbfc; }
.gantt-table { border-collapse: collapse; width: 100%; font-size: 12px; }
.gantt-table th, .gantt-table td { border: 1px solid var(--gray-200); padding: 4px 6px; text-align: center; vertical-align: middle; }
.gantt-table thead th { background: var(--gray-100); font-weight: 500; color: var(--gray-700); }
.gantt-table tbody tr { height: 40px; }
.gantt-table tbody tr:nth-child(even) td { background: #fafafa; }
.gantt-table .gantt-info-name { text-align: left; font-weight: 500; color: var(--gray-800); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 240px; }
.gantt-table tr.gantt-row { cursor: pointer; }
.gantt-table tr.gantt-row-sel td { outline: 2px solid #2563eb; outline-offset: -2px; }
.gantt-table tr.gantt-row-sel td:first-child { font-weight: 700; color: #2563eb; }
.gantt-cell { position: relative; padding: 0 !important; background: #fff; }
.gantt-bar { position: absolute; top: 8px; height: 22px; border-radius: 3px; display: flex; align-items: center; font-size: 11px; color: #fff; font-weight: 500; padding: 0 8px; box-shadow: 0 1px 2px rgba(0,0,0,0.08); z-index: 2; overflow: hidden; white-space: nowrap; }
.gantt-bar.gantt-bar-done { background: #1e3a8a; }
.gantt-bar.gantt-bar-remain { background: #60a5fa; box-shadow: none; }
.gantt-bar.gantt-bar-todo { background: #93c5fd; color: #1e3a8a; }
.gantt-today-line { position: absolute; top: 0; bottom: 0; width: 2px; background: #ef4444; z-index: 5; pointer-events: none; }
.gantt-today-line::before { content: '今天'; position: absolute; top: 2px; left: 4px; background: #ef4444; color: #fff; font-size: 10px; padding: 1px 5px; border-radius: 3px; white-space: nowrap; }
.gantt-legend { display: flex; gap: 16px; font-size: 11px; color: var(--text-tertiary); padding: 10px 18px; border-top: 1px solid var(--gray-200); background: #fafbfc; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}
.modal-header h3 { font-size: 16px; font-weight: 700; color: var(--gray-800); }
.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  flex-shrink: 0;
}
.modal-close {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--gray-400);
  transition: all 0.15s;
}
.modal-close:hover { background: var(--gray-100); color: var(--gray-600); }

/* ---------- Toast ---------- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border-left: 3px solid var(--primary);
  font-size: 13px;
  color: var(--gray-700);
  animation: toastIn 0.25s ease;
  min-width: 280px;
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast .toast-icon { flex-shrink: 0; }
.toast .toast-msg { flex: 1; }
.toast.removing { animation: toastOut 0.25s ease forwards; }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(20px); }
}

/* ---------- 通知面板 ---------- */
.notif-panel {
  position: fixed;
  top: 60px;
  right: 24px;
  width: 340px;
  max-height: 400px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.notif-panel.show { opacity: 1; visibility: visible; transform: translateY(0); }
.notif-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
}
.notif-panel-header h4 { font-size: 14px; font-weight: 600; color: var(--gray-800); }
.notif-panel-body { overflow-y: auto; flex: 1; }
.notif-item {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background 0.1s;
}
.notif-item:hover { background: var(--gray-50); }
.notif-item:last-child { border-bottom: none; }
.notif-item .notif-icon { flex-shrink: 0; }
.notif-item .notif-content { flex: 1; min-width: 0; }
.notif-item .notif-title { font-size: 13px; font-weight: 500; color: var(--gray-700); }
.notif-item .notif-desc { font-size: 12px; color: var(--text-tertiary); margin-top: 2px; }
.notif-item .notif-time { font-size: 11px; color: var(--text-tertiary); margin-top: 4px; }

/* ============================================
   页面专用样式
   ============================================ */

/* ---------- 仪表盘 ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  transition: all 0.2s;
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-card .stat-info { flex: 1; min-width: 0; }
.stat-card .stat-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 8px; }
.stat-card .stat-value {
  font-size: 24px;              /* v72: clamp 不可用时的 fallback（旧 Safari/Chromium） */
  font-size: clamp(18px, 2.4vw, 28px);  /* v71: 响应式缩字，小卡片不溢出 */
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1.15;
  word-break: normal;          /* v71: 禁止硬断字符 */
  overflow-wrap: anywhere;     /* v71: 极长数字兜底允许断行 */
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
}
.stat-card .stat-value-main { font-variant-numeric: tabular-nums; }
.stat-card .stat-value-dec { font-size: 0.72em; opacity: 0.85; margin-left: 1px; font-weight: 600; }
.stat-card .stat-trend {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  margin-top: 8px;
  color: var(--text-tertiary);
}
.stat-card .stat-trend.up { color: var(--success); }
.stat-card .stat-trend.down { color: var(--danger); }
.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-icon.primary { background: var(--primary-bg); color: var(--primary); }
.stat-icon.success { background: var(--success-bg); color: var(--success); }
.stat-icon.warning { background: var(--warning-bg); color: var(--warning); }
.stat-icon.info { background: var(--info-bg); color: var(--info); }

.dash-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 1024px) {
  .dash-grid { grid-template-columns: 1fr; }
}

/* ---------- 迷你图表 (CSS bar chart) ---------- */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 180px;
  padding: 10px 0;
}
.bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  height: 100%;
  justify-content: flex-end;
}
.bar-col .bar {
  width: 100%;
  max-width: 32px;
  background: var(--primary);
  border-radius: 4px 4px 0 0;
  transition: height 0.5s ease;
  position: relative;
  min-height: 2px;
}
.bar-col .bar:hover { opacity: 0.8; }
.bar-col .bar-label { font-size: 11px; color: var(--text-tertiary); }

/* ---------- 环形进度 ---------- */
.donut-chart {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto;
}
.donut-chart svg { transform: rotate(-90deg); }
.donut-chart .donut-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.donut-center .donut-value { font-size: 24px; font-weight: 700; color: var(--gray-800); }
.donut-center .donut-label { font-size: 11px; color: var(--text-tertiary); }

/* ---------- 项目卡片 ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all 0.2s;
  cursor: pointer;
}
.project-card:hover { box-shadow: var(--shadow-md); border-color: var(--gray-300); transform: translateY(-2px); }
.project-card .pc-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}
.project-card .pc-title { font-size: 15px; font-weight: 600; color: var(--gray-800); margin-bottom: 4px; }
.project-card .pc-code { font-size: 12px; color: var(--text-tertiary); font-family: var(--mono); }
.project-card .pc-desc { font-size: 12px; color: var(--text-secondary); margin-bottom: 14px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.project-card .pc-progress-row { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.project-card .pc-progress-label { font-size: 12px; color: var(--text-secondary); white-space: nowrap; }
.project-card .pc-progress-val { font-size: 12px; font-weight: 600; color: var(--gray-700); }
.project-card .pc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}
.project-card .pc-members { display: flex; }
.project-card .pc-members .user-avatar { margin-left: -6px; border: 2px solid var(--card-bg); }
.project-card .pc-members .user-avatar:first-child { margin-left: 0; }
.project-card .pc-deadline { font-size: 11px; color: var(--text-tertiary); display: flex; align-items: center; gap: 4px; }

/* ---------- 看板 ---------- */
.kanban-board {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  min-height: 500px;
}
.kanban-column {
  flex: 1;
  min-width: 280px;
  background: var(--gray-50);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
}
.kanban-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.kanban-column-header .kc-title { font-size: 13px; font-weight: 600; color: var(--gray-700); display: flex; align-items: center; gap: 8px; }
.kanban-column-header .kc-count { font-size: 11px; color: var(--text-tertiary); background: var(--card-bg); padding: 1px 8px; border-radius: 10px; border: 1px solid var(--border); }
.kanban-column-body { padding: 10px; overflow-y: auto; flex: 1; }

.kanban-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.15s;
}
.kanban-card:hover { box-shadow: var(--shadow-sm); border-color: var(--gray-300); }
.kanban-card .kc-title { font-size: 13px; font-weight: 500; color: var(--gray-800); margin-bottom: 8px; }
.kanban-card .kc-tags { display: flex; gap: 4px; margin-bottom: 8px; flex-wrap: wrap; }
.kanban-card .kc-footer { display: flex; align-items: center; justify-content: space-between; }
.kanban-card .kc-date { font-size: 11px; color: var(--text-tertiary); display: flex; align-items: center; gap: 4px; }

/* ---------- 空状态 ---------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
}
.empty-state .es-icon { color: var(--gray-300); margin-bottom: 12px; }
.empty-state .es-title { font-size: 14px; font-weight: 500; color: var(--gray-500); margin-bottom: 4px; }
.empty-state .es-desc { font-size: 12px; color: var(--text-tertiary); }

/* ---------- 页面工具栏 ---------- */
.page-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.toolbar-left { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.toolbar-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--gray-500);
  background: var(--card-bg);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.filter-chip:hover { border-color: var(--gray-300); }
.filter-chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.view-toggle {
  display: flex;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.view-toggle button {
  padding: 6px 12px;
  font-size: 12px;
  color: var(--gray-500);
  transition: all 0.15s;
}
.view-toggle button.active { background: var(--primary-bg); color: var(--primary); font-weight: 600; }

/* ---------- 团队成员卡片 ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.member-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: all 0.2s;
}
.member-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.member-card .mc-avatar { width: 56px; height: 56px; margin: 0 auto 12px; font-size: 18px; }
.member-card .mc-name { font-size: 14px; font-weight: 600; color: var(--gray-800); }
.member-card .mc-role { font-size: 12px; color: var(--text-secondary); margin-bottom: 12px; }
.member-card .mc-stats { display: flex; justify-content: space-around; padding-top: 12px; border-top: 1px solid var(--border-light); }
.member-card .mc-stat { text-align: center; }
.member-card .mc-stat-val { font-size: 18px; font-weight: 700; color: var(--gray-800); }
.member-card .mc-stat-label { font-size: 11px; color: var(--text-tertiary); }
.member-card .mc-contact { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; font-size: 12px; color: var(--gray-600); }
.member-card .mc-phone { color: var(--primary); text-decoration: none; cursor: pointer; display: inline-flex; align-items: center; }
.member-card .mc-phone:hover { text-decoration: underline; }
.member-card .mc-phone-masked { color: var(--text-tertiary); display: inline-flex; align-items: center; }
.member-card .mc-email { color: var(--gray-500); display: inline-flex; align-items: center; word-break: break-all; }

/* ---------- 微信式聊天窗口 ---------- */
.mc-name-link { color: var(--gray-800); cursor: pointer; }
.mc-name-link:hover { color: var(--primary); }

/* 聊天 modal：窄高布局 */
.modal.chat-modal { max-width: 480px; width: 92vw; }
.modal.chat-modal .modal-body { padding: 0; overflow: hidden; }

.chat-window { display: flex; flex-direction: column; height: 100%; }

.chat-header {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  background: var(--gray-50, #f8f9fb);
  flex-shrink: 0;
}

.chat-body {
  height: 380px;
  overflow-y: auto;
  padding: 16px;
  background: #f5f6f8;
  display: flex; flex-direction: column; gap: 14px;
}

.chat-empty {
  margin: auto; font-size: 12px; color: var(--text-tertiary);
  text-align: center; padding: 30px 0;
}

.chat-msg { display: flex; gap: 8px; align-items: flex-start; }
.chat-msg .user-avatar.xs { flex-shrink: 0; margin-top: 2px; }
.chat-msg .chat-bubble-wrap { max-width: 72%; min-width: 0; }

.chat-bubble {
  padding: 8px 12px;
  border-radius: 2px 12px 12px 12px;
  background: #fff;
  border: 1px solid var(--border-light);
  font-size: 13px; color: var(--gray-800);
  line-height: 1.6;
  word-break: break-word;
  white-space: pre-wrap;
}

.chat-msg.mine { flex-direction: row-reverse; }
.chat-msg.mine .chat-bubble-wrap { display: flex; flex-direction: column; align-items: flex-end; }
.chat-msg.mine .chat-bubble {
  background: var(--primary, #4f6bed);
  border-color: var(--primary, #4f6bed);
  color: #fff;
  border-radius: 12px 2px 12px 12px;
}

.chat-time { font-size: 10px; color: var(--text-tertiary); margin-top: 4px; padding: 0 4px; }

.chat-input {
  display: flex; gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border-light);
  background: #fff;
  flex-shrink: 0;
}
.chat-input .form-input { height: 38px; }

/* ---------- 数据表格 ---------- */
.data-table { border-collapse: collapse; font-size: 13px; }
.data-table thead th { padding: 10px 12px; text-align: left; font-size: 12px; font-weight: 600; color: var(--text-tertiary); border-bottom: 2px solid var(--border); white-space: nowrap; background: var(--gray-50, #f8f9fb); }
.data-table tbody td { padding: 10px 12px; border-bottom: 1px solid var(--border-light); vertical-align: middle; }
.data-table tbody tr:hover { background: var(--primary-bg, #eef2ff); }
.data-table a[href^="tel:"]:hover { text-decoration: underline; }

/* ---------- 报表 ---------- */
.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 16px;
}
.legend-list { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--gray-600); }
.legend-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }

/* ---------- 后台管理 ---------- */
.admin-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.admin-tab {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: -1px;
}
.admin-tab:hover { color: var(--gray-700); }
.admin-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

.permission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 8px;
}
.permission-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--gray-600);
}

/* ---------- 工具类 ---------- */
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-tertiary); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.flex { display: flex; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.w-full { width: 100%; }
.cursor-pointer { cursor: pointer; }
.no-data { padding: 40px; text-align: center; color: var(--text-tertiary); font-size: 13px; }

/* ---------- 响应式 ---------- */
/* v72: 移动端完整适配（平板竖屏及以下） */
@media (max-width: 768px) {
  /* 侧边栏抽屉化 */
  .sidebar {
    position: fixed; left: 0; top: 0;
    height: 100%;
    width: var(--sidebar-w) !important;   /* 抽屉模式忽略折叠态宽度 */
    transform: translateX(-100%);
    transition: transform 0.25s;
    z-index: 200;
    box-shadow: var(--shadow-lg);
  }
  .app-layout.sidebar-mobile-open .sidebar { transform: translateX(0); }
  /* 抽屉模式忽略桌面折叠态（sidebar-collapsed）的隐藏文字效果 */
  .app-layout.sidebar-collapsed .sidebar .nav-item { justify-content: flex-start; padding: 12px; }
  .app-layout.sidebar-collapsed .sidebar .nav-item span { opacity: 1; width: auto; overflow: visible; }
  .app-layout.sidebar-collapsed .sidebar .logo-text { opacity: 1; width: auto; }
  .app-layout.sidebar-collapsed .sidebar .nav-group-label { opacity: 1; height: auto; padding: 0 10px 8px; }
  .app-layout.sidebar-collapsed .sidebar .user-info { display: block; }
  .app-layout.sidebar-collapsed .sidebar .btn-exit { display: flex; }
  .app-layout.sidebar-collapsed .sidebar .sidebar-footer { padding: 12px; }

  /* 顶栏：显示汉堡按钮 */
  .mobile-menu-btn { display: flex; }
  .search-box { display: none; }
  .topbar-username { display: none; }
  .topbar { padding: 0 12px; }
  .page-title { font-size: 16px; }
  .topbar-left { gap: 8px; min-width: 0; }

  /* 内容区紧凑化 */
  .content { padding: 12px; }
  .card-body { padding: 14px; }
  .card-header { padding: 12px 14px; flex-wrap: wrap; gap: 8px; }

  /* 统计卡：平板/大手机 2 列（超窄屏再降 1 列） */
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-card .stat-icon { width: 36px; height: 36px; }
  .stat-card .stat-icon svg { width: 18px; height: 18px; }

  /* 表单：iOS 聚焦输入框字号 ≥16px 防自动缩放；行内表单改纵向 */
  .form-input, .form-select, .form-textarea { font-size: 16px; }
  .form-row { flex-direction: column; gap: 0; }
  .login-input { font-size: 16px; } /* v78: 登录输入框同样防 iOS 缩放 */
  .login-btn { min-height: 46px; }

  /* 弹窗：接近全宽，高度受限 */
  .modal { width: 94vw; max-width: 94vw; max-height: 88vh; max-height: 88dvh; }
  .modal.fp-modal { width: 94vw; max-width: 94vw; } /* v78: 覆盖桌面 860px */
  .modal.wide { max-width: 94vw; }
  .modal-header { padding: 14px 16px; }
  .modal-body { padding: 16px; }
  .modal-footer { padding: 12px 16px; }
  .modal-footer .btn { min-height: 40px; } /* v72: 触摸目标 ≥40px */

  /* 表格：紧凑行高，操作列不换行 */
  .table th, .table td { padding: 10px 12px; }
  .table { font-size: 12px; }

  /* 项目卡片 / 看板 */
  .project-grid { grid-template-columns: 1fr; }
  .kanban-column { min-width: 240px; }

  /* 触摸目标加大 */
  .nav-item { padding: 12px 12px; }
  .filter-chip { padding: 8px 14px; font-size: 13px; }
  .btn { min-height: 38px; }
  .btn-sm { min-height: 34px; }

  /* v78: iOS 安全区（viewport-fit=cover 刘海/底部横条） */
  .topbar { padding-top: env(safe-area-inset-top, 0px); }
  .sidebar { padding-bottom: env(safe-area-inset-bottom, 0px); }
  .content { padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px)); }
  .modal-footer { padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px)); }

  /* v78: 惯性滚动（旧 iOS）+ 聊天弹窗全屏化 */
  .gantt-wrap, .modal-body, .kanban-board { -webkit-overflow-scrolling: touch; }
  .modal.chat-modal { width: 96vw; max-height: 92vh; max-height: 92dvh; height: 92vh; height: 92dvh; }
  .modal.chat-modal .modal-body { display: flex; flex-direction: column; }
  .modal.chat-modal .chat-body { flex: 1; height: auto; min-height: 0; }

  /* v73: 登录左右分栏在手机堆叠为单列（左上、下表单） */
  .login-screen { flex-direction: column; }
  .login-pane-left {
    flex: 0 0 auto;
    padding: 32px 24px 28px;
  }
  .login-brand-mark { margin-bottom: 18px; }
  .login-brand-name { font-size: 32px; letter-spacing: 5px; }
  .login-brand-tagline { font-size: 11px; }
  .login-brand-quote { display: none; } /* 移动端精简 */
  .login-copyright { display: none; }
  .login-pane-right {
    flex: 1 1 auto; padding: 32px 24px;
  }
  .login-card { max-width: none; }
  .login-title { font-size: 22px; }
}
@media (max-width: 380px) {
  .login-pane-left { padding: 24px 20px 20px; }
  .login-pane-right { padding: 24px 20px; }
}

/* v72: 超窄手机（iPhone SE 等 ≤480px）：统计卡降为单列 */
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .page-title { font-size: 15px; }
  .content { padding: 10px; }
}

/* ---------- 角色拖拽排序 ---------- */
.role-item:hover { background: var(--gray-50); }
.role-item:active { cursor: grabbing; }

/* ---------- 角色权限 - 上下排列布局 ---------- */
/* 角色卡片 */
.role-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 8px;
  background: var(--gray-50);
  margin-bottom: 8px;
  border-left: 4px solid var(--gray-400);
  transition: box-shadow 0.15s, transform 0.1s;
}
.role-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateX(2px);
}
.role-card:last-child { margin-bottom: 0; }

.role-card-avatar {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
}
.role-card-body { flex: 1; min-width: 0; }
.role-card-title { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.role-card-desc { font-size: 12px; color: var(--text-tertiary); }
.role-card-stats { font-size: 12px; color: var(--gray-500); display: flex; align-items: center; gap: 10px; }
.role-card-stats b { color: var(--gray-700); font-weight: 600; }
.role-card-sep { color: var(--border); }
.role-card-bar {
  margin-top: 6px;
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  overflow: hidden;
}
.role-card-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.3s ease;
}
.role-card-pct {
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 700;
  min-width: 48px;
  text-align: right;
}

/* 权限矩阵 */
.perm-matrix {
  width: 100%;
  table-layout: fixed;
}
.perm-matrix > thead > tr > th:first-child {
  text-align: left;
  padding-left: 16px !important;
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 600;
}

/* 权限矩阵表头 */
.perm-matrix th.perm-col-head {
  text-align: center;
  vertical-align: bottom;
  padding: 10px 4px !important;
  border-bottom: 2px solid var(--border) !important;
}
.perm-matrix .perm-col-toggle {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 4px 2px; border-radius: 6px;
  transition: background 0.15s;
}
.perm-matrix .perm-col-toggle:hover { background: var(--gray-50); }
.perm-col-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}
.perm-col-name { font-size: 11px; color: var(--gray-600); font-weight: 500; }

/* v69: 权限矩阵增强 —— 图例 / 说明 / 高危徽标 / 列头计数 / 模块计数 / 角色卡操作 */
.perm-legend {
  display: flex; align-items: center; gap: 18px;
  font-size: 12px; color: var(--gray-500); flex-wrap: wrap;
}
.perm-legend > span { display: inline-flex; align-items: center; gap: 4px; }
.perm-risk-badge {
  display: inline-block;
  font-size: 10px; font-weight: 600; color: #dc2626;
  background: #fee2e2; border: 1px solid #fecaca;
  border-radius: 3px; padding: 0 4px; line-height: 16px;
  vertical-align: 1px;
}
.perm-name-cell { min-width: 0; }
.perm-desc-text { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; line-height: 1.3; }
.perm-col-text { display: flex; flex-direction: column; align-items: center; gap: 2px; min-width: 0; }
.perm-col-count { font-size: 10px; color: var(--text-tertiary); }
.perm-module-count { font-size: 11px; color: var(--text-tertiary); margin-left: 8px; }
.role-card-side { display: flex; align-items: center; gap: 10px; }
.role-card-actions { display: flex; flex-direction: column; gap: 4px; }
.role-card-actions .btn-ghost { font-size: 11px; padding: 2px 8px; white-space: nowrap; }

/* 权限矩阵模块分组行 */
.perm-module-row td {
  background: linear-gradient(to right, var(--gray-50), transparent) !important;
  padding: 8px 14px !important;
  border-top: 1px solid var(--border-light) !important;
  border-bottom: 1px solid var(--border-light) !important;
}
.perm-module-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; color: var(--gray-700);
}
.perm-module-tag::before {
  content: ''; width: 4px; height: 12px; background: var(--primary);
  border-radius: 2px;
}

/* 权限矩阵单元格 */
.perm-matrix tbody tr:not(.perm-module-row) td {
  padding: 6px 12px !important;
}
.perm-matrix tbody tr:not(.perm-module-row):hover {
  background: rgba(0,0,0,0.015);
}
.perm-name-text { font-size: 13px; color: var(--gray-700); }
.perm-cell {
  text-align: center;
  cursor: pointer;
  padding: 10px 4px !important;
  transition: all 0.15s;
  position: relative;
}
.perm-cell > svg { display: inline-block; vertical-align: middle; transition: transform 0.15s; }
.perm-cell:hover > svg { transform: scale(1.15); }
.perm-cell:hover { filter: brightness(0.97); }
.role-item.dragging { opacity: 0.4; }

/* ---------- 项目分类拖拽排序 ---------- */
.cat-item { cursor: grab; transition: background 0.15s; }
.cat-item:hover { background: var(--gray-50); }
.cat-item:active { cursor: grabbing; }
.cat-item.dragging { opacity: 0.4; }

/* ---------- 站内消息 ---------- */
.msg-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background 0.15s;
}
.msg-item:last-child { border-bottom: none; }
.msg-item:hover { background: var(--gray-50, #f8f9fb); }
.msg-item.unread { background: rgba(79, 107, 237, 0.04); }
.msg-item.unread:hover { background: rgba(79, 107, 237, 0.08); }
.msg-unread-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4f6bed;
  flex-shrink: 0;
  margin-top: 8px;
}

/* ---------- 任务详情编辑弹窗 ---------- */
.task-form { display: flex; flex-direction: column; gap: 18px; }
.task-form-section {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  background: #fff;
}
.task-form-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 负责人多选 chips */
.assignee-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.assignee-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px 5px 4px;
  border: 1px solid var(--border);
  border-radius: 24px;
  cursor: pointer;
  transition: all 0.15s;
  background: var(--card-bg);
  font-size: 13px;
  color: var(--gray-600);
}
.assignee-chip:hover { border-color: var(--gray-300); background: var(--gray-50); }
.assignee-chip.selected {
  border-color: var(--primary);
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 600;
}
.assignee-chip .assignee-check {
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  margin-left: 2px;
}

/* 票务卡片 */
.ticket-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 8px;
  transition: background 0.15s;
}
.ticket-card:hover { background: var(--gray-50); }
.ticket-card-info { flex: 1; min-width: 0; }
.ticket-card-title { font-size: 13px; font-weight: 500; color: var(--gray-700); }
.ticket-card-meta { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }
.ticket-card-amount {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
  white-space: nowrap;
}
.ticket-add-form {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-top: 12px;
  background: var(--gray-50);
}

/* ===== v38 合同附件上传 + 自动识别填充 ===== */
.ct-upload-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  min-width: 0;
}
.ct-parse-status {
  font-size: 12px;
  color: var(--gray-500);
}
.ct-file-list {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.ct-file-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 0;
}
.ct-file-name {
  font-size: 13px;
  color: var(--gray-700);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}
.ct-file-size {
  font-size: 11px;
  color: var(--gray-400);
  white-space: nowrap;
}
.ct-file-remove {
  border: none;
  background: none;
  color: var(--gray-400);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}
.ct-file-remove:hover {
  color: var(--danger);
  background: var(--gray-100);
}
.ct-attach-badge {
  display: inline-block;
  font-size: 11px;
  color: var(--gray-500);
  background: var(--gray-100);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1px 6px;
  margin-left: 6px;
  vertical-align: middle;
  cursor: pointer;
}
.ct-attach-badge:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.08);
}
.form-input.auto-filled {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  transition: box-shadow 0.3s;
}

/* ---- v39 附件在线预览 ---- */
.ct-file-preview-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}
.ct-file-preview-btn:hover .ct-file-name {
  color: var(--primary);
}
.fp-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px 12px 18px;
  border-bottom: 1px solid var(--border);
  min-width: 0;
}
.fp-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}
.fp-size {
  font-size: 11px;
  color: var(--gray-400);
  white-space: nowrap;
}
.fp-close {
  border: none;
  background: none;
  color: var(--gray-400);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 4px;
}
.fp-close:hover {
  color: var(--danger);
  background: var(--gray-100);
}
.fp-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 14px 18px;
}
.fp-frame {
  width: 100%;
  height: 100%;
  min-height: 60vh;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--gray-50);
}
.fp-img {
  max-width: 100%;
  max-height: 70vh;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.fp-text {
  white-space: pre-wrap;
  word-break: break-all;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.8;
  color: var(--gray-700);
  margin: 0;
}
.fp-msg {
  padding: 48px 24px;
  text-align: center;
  color: var(--gray-400);
  font-size: 13px;
  line-height: 1.8;
}
.fp-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.fp-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--gray-50);
  min-width: 0;
}
.fp-list-name {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  color: var(--gray-700);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.fp-list-size {
  font-size: 11px;
  color: var(--gray-400);
  white-space: nowrap;
}