/* ============================================
   项目统筹管理平台 — 样式系统
   ============================================ */

:root {
  /* 主色板 */
  --primary: #4f46e5;
  --primary-light: #6366f1;
  --primary-dark: #4338ca;
  --primary-bg: #eef2ff;
  --primary-border: #c7d2fe;

  /* 语义色 */
  --success: #16a34a;
  --success-bg: #f0fdf4;
  --success-border: #bbf7d0;
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --info: #0891b2;
  --info-bg: #ecfeff;
  --info-border: #a5f3fc;

  /* 中性色 */
  --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;

  /* 布局 */
  --sidebar-w: 240px;
  --topbar-h: 60px;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);

  /* 字体 */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--gray-50);
  color: var(--gray-800);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === 布局 === */
.layout {
  display: flex;
  min-height: 100vh;
}

/* === 侧边栏 === */
.sidebar {
  width: var(--sidebar-w);
  background: var(--gray-900);
  color: var(--gray-300);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform 0.3s;
}

.sidebar-logo {
  padding: 18px 20px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo .logo-icon {
  width: 32px; height: 32px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

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

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--gray-400);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 2px;
  transition: all 0.15s;
}

.nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: var(--gray-200);
}

.nav-item.active {
  background: var(--primary);
  color: #fff;
}

.nav-icon {
  width: 18px;
  text-align: center;
  font-size: 15px;
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 10px;
  font-weight: 600;
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.current-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.current-user:hover { background: rgba(255,255,255,0.06); }

.user-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--primary-light);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 13px;
  flex-shrink: 0;
}

.user-info { flex: 1; min-width: 0; }
.user-name { color: #fff; font-size: 13px; font-weight: 500; }
.user-role { color: var(--gray-500); font-size: 11px; }

/* === 主内容区 === */
.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: var(--topbar-h);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
}

.topbar-spacer { flex: 1; }

.topbar-search {
  position: relative;
  width: 280px;
}

.topbar-search input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}

.topbar-search input:focus { border-color: var(--primary); }

.topbar-search::before {
  content: '🔍';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  opacity: 0.5;
}

/* === 飞书同步指示器 === */
.sync-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--gray-100);
  cursor: pointer;
  font-size: 12px;
  color: var(--gray-600);
  transition: background 0.2s;
  white-space: nowrap;
}

.sync-indicator:hover {
  background: var(--gray-200);
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-400);
  flex-shrink: 0;
}

.sync-dot.syncing {
  background: var(--warning);
  animation: pulse 1s infinite;
}

.sync-dot.success {
  background: var(--success);
}

.sync-dot.error {
  background: var(--danger);
}

.sync-dot.idle {
  background: var(--gray-400);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* === 卡片 === */
.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title { font-size: 14px; font-weight: 600; color: var(--gray-700); }
.card-body { padding: 20px; }

/* === 统计卡片 === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.15s;
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.blue { background: var(--primary-bg); }
.stat-icon.green { background: var(--success-bg); }
.stat-icon.orange { background: var(--warning-bg); }
.stat-icon.red { background: var(--danger-bg); }
.stat-icon.cyan { background: var(--info-bg); }

.stat-value { font-size: 28px; font-weight: 700; color: var(--gray-800); line-height: 1.2; }
.stat-label { font-size: 12px; color: var(--gray-500); margin-top: 2px; }

/* === 项目卡片 === */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.project-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: all 0.15s;
  box-shadow: var(--shadow);
}

.project-card:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.project-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.project-desc {
  font-size: 12px;
  color: var(--gray-500);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 200px;
}

.project-status-badge {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
  white-space: nowrap;
}

.progress-bar-container {
  margin: 12px 0 10px;
}

.progress-bar {
  height: 6px;
  background: var(--gray-100);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 4px;
}

.project-stats {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--gray-600);
  padding-top: 10px;
  border-top: 1px solid var(--gray-100);
}

.project-stat-item {
  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 {
  min-width: 260px;
  flex: 1;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}

.kanban-column-header {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--gray-200);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
}

.column-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
}

.column-count {
  background: var(--gray-200);
  color: var(--gray-600);
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.kanban-cards {
  flex: 1;
  padding: 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.task-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.task-card:hover {
  border-color: var(--primary-border);
  box-shadow: var(--shadow-md);
}

.task-card-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-800);
  margin-bottom: 6px;
  line-height: 1.4;
}

.task-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--gray-500);
}

.task-assignee {
  display: flex;
  align-items: center;
  gap: 4px;
}

.task-assignee .user-avatar {
  width: 22px; height: 22px;
  font-size: 10px;
}

.task-message-count {
  display: flex;
  align-items: center;
  gap: 3px;
  color: var(--gray-500);
}

.task-message-count.urgent { color: var(--danger); font-weight: 600; }

.task-due {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--gray-100);
}

.task-due.overdue { color: var(--danger); font-weight: 600; }
.task-due.soon { color: var(--warning); }

/* === 按钮 === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary {
  background: var(--gray-100);
  color: var(--gray-700);
}
.btn-secondary:hover { background: var(--gray-200); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { opacity: 0.9; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--gray-300);
  color: var(--gray-700);
}
.btn-outline:hover { background: var(--gray-50); border-color: var(--gray-400); }

.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-icon { padding: 6px 8px; }

/* === 模态框 === */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
}

.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.2s ease;
}

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

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--gray-800);
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--gray-400);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.modal-close:hover { background: var(--gray-100); color: var(--gray-600); }

.modal-body {
  padding: 24px;
  max-height: 60vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* === 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: 8px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
  background: #fff;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

.form-textarea { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-hint {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 4px;
}

/* === 状态徽章 === */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
}

.status-pending { background: var(--gray-100); color: var(--gray-600); }
.status-active { background: var(--info-bg); color: var(--info); }
.status-in-progress { background: var(--primary-bg); color: var(--primary); }
.status-paused { background: var(--warning-bg); color: var(--warning); }
.status-completed { background: var(--success-bg); color: var(--success); }
.status-blocked { background: var(--danger-bg); color: var(--danger); }

/* 重要程度徽章 */
.urgency-urgent { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.urgency-important { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.urgency-normal { background: var(--gray-100); color: var(--gray-600); border: 1px solid var(--gray-200); }

/* === 留言区 === */
.messages-section {
  margin-top: 20px;
  border-top: 2px solid var(--gray-100);
  padding-top: 20px;
}

.messages-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.message-item {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--gray-50);
}

.message-item.urgent { background: var(--danger-bg); border: 1px solid var(--danger-border); }
.message-item.important { background: var(--warning-bg); border: 1px solid var(--warning-border); }

.message-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--primary-light);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 12px;
  flex-shrink: 0;
}

.message-body { flex: 1; }

.message-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.message-author { font-size: 13px; font-weight: 600; color: var(--gray-700); }
.message-time { font-size: 11px; color: var(--gray-400); }

/* 留言「已处理」状态与切换按钮 */
.message-item.processed { opacity: 0.55; }
.message-item.processed .message-content { text-decoration: line-through; }
.msg-processed-btn {
  margin-left: auto;
  background: none;
  border: 1px solid var(--gray-300, #d1d5db);
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 11px;
  color: var(--gray-500);
  cursor: pointer;
  white-space: nowrap;
}
.msg-processed-btn.done { color: var(--success, #16a34a); border-color: var(--success, #16a34a); }

.message-content {
  font-size: 13px;
  color: var(--gray-700);
  line-height: 1.5;
  word-break: break-word;
}

.message-input-area {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.message-input-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.message-input-row textarea {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font);
  resize: vertical;
  min-height: 36px;
  outline: none;
}

.message-input-row textarea:focus { border-color: var(--primary); }

.urgency-selector {
  display: flex;
  gap: 6px;
  align-items: center;
}

.urgency-btn {
  padding: 4px 10px;
  border: 1px solid var(--gray-300);
  border-radius: 20px;
  font-size: 11px;
  cursor: pointer;
  background: #fff;
  color: var(--gray-500);
  transition: all 0.15s;
}

.urgency-btn.active.urgent { background: var(--danger); color: #fff; border-color: var(--danger); }
.urgency-btn.active.important { background: var(--warning); color: #fff; border-color: var(--warning); }
.urgency-btn.active.normal { background: var(--gray-500); color: #fff; border-color: var(--gray-500); }

/* === 任务详情 === */
.task-detail-section {
  margin-bottom: 20px;
}

.task-detail-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.task-detail-value {
  font-size: 14px;
  color: var(--gray-800);
}

.task-progress-section {
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 16px;
}

.progress-slider-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-slider {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  outline: none;
}

.progress-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.progress-slider::-moz-range-thumb {
  width: 18px; height: 18px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid #fff;
}

.progress-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  min-width: 48px;
  text-align: right;
}

/* === 成员列表 === */
.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.member-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
}

.member-card .user-avatar {
  width: 44px; height: 44px;
  font-size: 16px;
}

.member-name { font-size: 14px; font-weight: 600; color: var(--gray-800); }
.member-role { font-size: 12px; color: var(--gray-500); margin-top: 2px; }
.member-stats { font-size: 11px; color: var(--gray-400); margin-top: 4px; }

/* === 活动日志 === */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.activity-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 12px;
}

.activity-item:last-child { border-bottom: none; }

.activity-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 6px;
  flex-shrink: 0;
}

.activity-text { color: var(--gray-600); }
.activity-text strong { color: var(--gray-800); font-weight: 600; }
.activity-time { color: var(--gray-400); font-size: 11px; margin-top: 2px; }

/* === 空状态 === */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray-400);
}

.empty-state-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state-text { font-size: 14px; }

/* === 工具类 === */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mt-4 { margin-top: 16px; }
.text-sm { font-size: 12px; }
.text-gray { color: var(--gray-500); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.font-bold { font-weight: 600; }
.cursor-pointer { cursor: pointer; }

/* === 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); }

/* === 响应式 === */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); box-shadow: none; }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .main { margin-left: 0; }
  .btn-menu { display: inline-flex !important; }
  .topbar-search { display: none; }
  .content { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .kanban-board { min-height: 400px; }
  .kanban-column { min-width: 230px; }
  .projects-grid { grid-template-columns: 1fr; }
  .members-grid { grid-template-columns: 1fr; }
  .topbar { padding: 0 12px; gap: 8px; }
  .modal-overlay { padding: 16px 10px; }
}

/* 桌面端隐藏移动端菜单按钮 */
.btn-menu { display: none; }

/* 移动端侧边栏展开时的遮罩 */
.sidebar-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 99;
}

/* === 通知提示 === */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--gray-800);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  z-index: 300;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.2s ease;
}

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

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* === 标签 === */
.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--gray-100);
  color: var(--gray-600);
  font-weight: 500;
}

.tag.blue { background: var(--primary-bg); color: var(--primary); }
.tag.green { background: var(--success-bg); color: var(--success); }
.tag.orange { background: var(--warning-bg); color: var(--warning); }
.tag.red { background: var(--danger-bg); color: var(--danger); }

/* === 依赖链 === */
.dependency-chain {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.dependency-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.dependency-arrow {
  color: var(--gray-400);
  font-size: 14px;
}

/* === V6 细节美化 === */
html { scroll-behavior: smooth; }

::selection { background: var(--primary-bg); color: var(--primary-dark); }

/* 卡片与留言的过渡更顺滑 */
.message-item,
.member-card,
.project-card,
.task-card {
  transition: box-shadow 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.message-item:hover { box-shadow: var(--shadow); }

/* 重要程度按钮悬停反馈 */
.urgency-btn:hover:not(.active) { border-color: var(--gray-400); color: var(--gray-700); }

/* 日期控件统一字体 */
input[type="date"] { font-family: var(--font); }

/* 同步指示器状态色 */
.sync-indicator:has(.sync-dot.error) { background: var(--danger-bg); color: var(--danger); }
.sync-indicator:has(.sync-dot.success) { background: var(--success-bg); color: var(--success); }
.sync-indicator:has(.sync-dot.syncing) { background: var(--warning-bg); color: var(--warning); }

/* 看板列头部吸底阴影，滚动时更有层次 */
.kanban-column-header { background: var(--gray-50); border-radius: var(--radius) var(--radius) 0 0; }

/* 弹窗在窄屏时占满宽度 */
@media (max-width: 480px) {
  .modal { border-radius: var(--radius); }
  .topbar-title { font-size: 14px; }
  .stats-grid { grid-template-columns: 1fr; }
}

/* === 订单总览（新格式表格） === */
.orders-table-wrap {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow-x: auto;
  box-shadow: var(--shadow);
}

.orders-table {
  border-collapse: collapse;
  min-width: 1600px;
  width: 100%;
  font-size: 12px;
}

.orders-table th,
.orders-table td {
  border: 1px solid var(--gray-200);
  padding: 6px 8px;
  text-align: center;
  vertical-align: middle;
  white-space: nowrap;
}

.orders-group-head {
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: 0.5px;
}

.orders-group-head.stage {
  background: var(--primary-dark);
  border-left: 2px solid rgba(255, 255, 255, 0.35);
}

.orders-sub-head {
  background: var(--gray-100);
  color: var(--gray-600);
  font-weight: 600;
  font-size: 11.5px;
}

.orders-sub-head.dept {
  color: var(--primary-dark);
}

.orders-row { cursor: pointer; transition: background 0.12s ease; }
.orders-row.no-source { cursor: default; }
.orders-row:hover { background: var(--primary-bg); }

.orders-row td { color: var(--gray-700); }

.c-no { color: var(--gray-400); width: 40px; }
.c-photo { font-size: 20px; width: 56px; position: relative; height: 52px; }
.photo-fallback { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.order-photo { position: relative; max-width: 50px; max-height: 48px; object-fit: contain; background: #fff; border-radius: 4px; }
.c-contract { font-weight: 700; color: var(--primary-dark); font-family: monospace; font-size: 12.5px; }
.order-project-link {
  display: inline-block; margin-top: 3px; font-family: inherit; font-weight: 500;
  font-size: 11px; color: var(--primary); cursor: pointer; white-space: nowrap;
}
.order-project-link:hover { text-decoration: underline; }
.order-nosource {
  display: inline-block; margin-top: 3px; font-family: inherit; font-weight: 400;
  font-size: 11px; color: var(--gray-300);
}
.c-product { max-width: 220px; text-align: left; line-height: 1.4; }
.orders-table td.c-product { white-space: normal; }
.c-muted { color: var(--gray-300); }

/* 阶段单元格状态底色 */
.c-stage { min-width: 92px; }
.c-stage.st-completed  { background: var(--success-bg); }
.c-stage.st-in-progress { background: var(--primary-bg); }
.c-stage.st-pending    { background: #fafafa; }
.c-stage.st-paused     { background: var(--warning-bg); }
.c-stage.st-blocked    { background: var(--danger-bg); }

.stage-date { font-weight: 600; font-size: 12.5px; color: var(--gray-800); }
.c-stage.overdue .stage-date { color: var(--danger); }

.stage-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
  font-size: 10.5px;
  color: var(--gray-500);
}

.stage-assignee { max-width: 56px; overflow: hidden; text-overflow: ellipsis; }
.stage-overdue { color: var(--danger); font-weight: 600; }

.orders-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--gray-500);
  align-items: center;
}

/* 窄屏：表格横向滚动即可，图例竖排 */
@media (max-width: 768px) {
  .orders-legend { flex-direction: column; align-items: flex-start; gap: 6px; }
}