/* ============================================================
   style.css — 简洁现代风格，适合10人团队ERP
   ============================================================ */

:root {
  --primary: #4F6EF7;
  --primary-dark: #3a57d4;
  --primary-light: #eef1fe;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --dark: #1e293b;
  --gray: #64748b;
  --light: #f1f5f9;
  --white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --radius: 10px;
  --sidebar-w: 220px;
}

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

body {
  font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--light);
  color: var(--dark);
  min-height: 100vh;
  font-size: 14px;
}

/* ====== 登录页 ====== */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
}

.login-box {
  background: var(--white);
  border-radius: 16px;
  padding: 48px 40px;
  width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  text-align: center;
}

.login-box h1 {
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--primary);
}

.login-box p {
  color: var(--gray);
  margin-bottom: 32px;
  font-size: 13px;
}

.login-box input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  font-size: 14px;
  transition: border 0.2s;
  outline: none;
}

.login-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  text-decoration: none;
}

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

.btn-success { background: var(--success); color: var(--white); }
.btn-success:hover { background: #16a34a; }

.btn-warning { background: var(--warning); color: var(--white); }
.btn-warning:hover { background: #d97706; }

.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #dc2626; }

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

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { display: flex; width: 100%; justify-content: center; }

.login-box .btn-block { margin-top: 8px; }

.login-error {
  color: var(--danger);
  font-size: 13px;
  margin-bottom: 12px;
  min-height: 18px;
}

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

/* 侧边栏 */
.sidebar {
  width: var(--sidebar-w);
  background: var(--dark);
  color: var(--white);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s;
}

.sidebar-logo {
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-logo span { color: var(--primary); }

.sidebar nav { flex: 1; overflow-y: auto; padding: 12px 0; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  color: rgba(255,255,255,0.65);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.2s;
  font-size: 14px;
  user-select: none;
}

.nav-item:hover { background: rgba(255,255,255,0.06); color: var(--white); }
.nav-item.active {
  background: rgba(79,110,247,0.2);
  color: var(--white);
  border-left-color: var(--primary);
}

.nav-item .icon { font-size: 16px; }

.nav-section {
  padding: 16px 16px 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.3);
}

.sidebar-user {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
}

.sidebar-user .name { font-weight: 600; color: var(--white); }
.sidebar-user .role { font-size: 12px; color: rgba(255,255,255,0.5); }
.sidebar-user .dept { font-size: 11px; color: rgba(255,255,255,0.4); }

.logout-btn {
  margin-top: 10px;
  background: rgba(239,68,68,0.2);
  color: #fca5a5;
  border: none;
  border-radius: 6px;
  padding: 7px 12px;
  cursor: pointer;
  font-size: 13px;
  width: 100%;
  text-align: left;
  transition: background 0.2s;
}
.logout-btn:hover { background: rgba(239,68,68,0.35); }

/* 主内容区 */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
}

.topbar {
  background: var(--white);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title { font-size: 16px; font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }

.breadcrumb {
  font-size: 13px;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 6px;
}

.content {
  padding: 24px;
}

/* ====== 卡片 ====== */
.card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-header h3 { font-size: 15px; font-weight: 600; }

.card-body { padding: 20px; }

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

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  box-shadow: var(--shadow);
}

.stat-card .label { font-size: 12px; color: var(--gray); margin-bottom: 6px; }
.stat-card .value { font-size: 28px; font-weight: 700; color: var(--dark); }
.stat-card .sub { font-size: 12px; color: var(--success); margin-top: 4px; }
.stat-card .sub.neg { color: var(--danger); }

.stat-card.primary .value { color: var(--primary); }
.stat-card.success .value { color: var(--success); }
.stat-card.warning .value { color: var(--warning); }
.stat-card.danger .value { color: var(--danger); }
.stat-card.info .value { color: var(--info); }

/* ====== 表格 ====== */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  background: var(--light);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--gray);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tbody tr:hover { background: #fafbff; }
tbody tr:last-child td { border-bottom: none; }

/* ====== 标签 ====== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.tag-primary { background: var(--primary-light); color: var(--primary-dark); }
.tag-success { background: #dcfce7; color: #15803d; }
.tag-warning { background: #fef3c7; color: #92400e; }
.tag-danger  { background: #fee2e2; color: #991b1b; }
.tag-gray    { background: var(--light); color: var(--gray); }
.tag-info    { background: #dbeafe; color: #1e40af; }
.tag-dark    { background: #f1f5f9; color: var(--dark); }

/* 保护标签 */
.tag-protected { background: #fef9c3; color: #854d0e; border: 1px solid #fde68a; }

/* ====== 表单 ====== */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--gray); }
.form-group label span { color: var(--danger); }

.form-control {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  outline: none;
  transition: border 0.2s, box-shadow 0.2s;
  background: var(--white);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

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

select.form-control { cursor: pointer; }

/* ====== 模态框 ====== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(2px);
}

.modal {
  background: var(--white);
  border-radius: 14px;
  width: 560px;
  max-width: 95vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0,0,0,0.2);
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.modal-header h3 { font-size: 16px; }

.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--gray);
  line-height: 1;
  padding: 0;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--danger); }

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

.modal-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

/* ====== 搜索 & 工具栏 ====== */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar .search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  flex: 1;
  min-width: 200px;
  max-width: 320px;
}

.toolbar .search-box input {
  border: none;
  outline: none;
  font-size: 13px;
  flex: 1;
  background: transparent;
}

.toolbar-left { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.toolbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* ====== 分页 ====== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  font-size: 13px;
  color: var(--gray);
}

/* ====== 公告 ====== */
.notice-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.notice-item:last-child { border-bottom: none; }
.notice-item .notice-title { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.notice-item .notice-meta { font-size: 12px; color: var(--gray); }
.notice-item .notice-content { margin-top: 6px; color: #475569; font-size: 13px; }

/* ====== 跟进记录 ====== */
.followup-item {
  padding: 12px 16px;
  background: var(--light);
  border-radius: 8px;
  margin-bottom: 8px;
  border-left: 3px solid var(--primary);
}
.followup-item .followup-meta { font-size: 12px; color: var(--gray); margin-bottom: 4px; }
.followup-item .followup-text { font-size: 13px; }

/* ====== 空状态 ====== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--gray);
}
.empty-state .icon { font-size: 40px; margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 14px; }

/* ====== 通知 Toast ====== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--white);
  border-radius: 10px;
  padding: 12px 18px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  animation: slideIn 0.3s ease;
  border-left: 4px solid var(--primary);
  max-width: 340px;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ====== 规则说明卡片 ====== */
.rule-box {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.rule-box h4 {
  font-size: 14px;
  color: #92400e;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.rule-box ul {
  padding-left: 20px;
  font-size: 13px;
  color: #78350f;
  line-height: 1.8;
}

/* ====== 日历 ====== */
.schedule-item {
  padding: 10px 14px;
  background: var(--light);
  border-radius: 8px;
  margin-bottom: 8px;
  border-left: 3px solid var(--primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.schedule-date {
  font-size: 12px;
  color: var(--gray);
  margin-top: 4px;
}

/* ====== 审批状态 ====== */
.approval-status { display: flex; align-items: center; gap: 6px; font-size: 13px; }

/* ====== 辅助 ====== */
.text-muted { color: var(--gray); font-size: 13px; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-primary { color: var(--primary); }

.flex { display: flex; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mr-4 { margin-right: 4px; }

/* 操作按钮组 */
.action-btns { display: flex; gap: 6px; }

/* 移动端 */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .modal { width: 100%; border-radius: 14px 14px 0 0; align-self: flex-end; }
}

/* 两栏布局 */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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