/* =====================================================
   仓库管理系统 - 全局样式 (新版)
   ===================================================== */

:root {
  --primary:       #1F4E79;
  --primary-dark:  #163A5F;
  --primary-light: #2E75B6;
  --accent:        #4472C4;
  --success:       #375623;
  --success-bg:    #E2EFDA;
  --warning:       #C55A11;
  --warning-bg:    #FFF2CC;
  --danger:        #C00000;
  --danger-bg:     #FFE0E0;
  --border:        #BDD7EE;
  --bg-page:       #EEF3FB;
  --bg-card:       #FFFFFF;
  --bg-hover:      #F2F7FC;
  --text:          #212529;
  --text-muted:    #6C757D;
  --sidebar-w:     220px;
}

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

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg-page);
  min-height: 100vh;
}

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

.login-box {
  background: #fff;
  border-radius: 12px;
  padding: 40px 48px;
  width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
  text-align: center;
}

.login-logo {
  margin-bottom: 8px;
}

.login-logo .logo-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 8px;
}

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

.login-box .subtitle {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 32px;
}

.login-box .form-group {
  text-align: left;
  margin-bottom: 16px;
}

.login-box .form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text);
}

.login-box input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color .2s;
}

.login-box input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-box .btn-block {
  width: 100%;
  padding: 12px;
  font-size: 15px;
}

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

.login-hint {
  margin-top: 20px;
  font-size: 12px;
  color: #aaa;
}

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

/* 侧边栏 */
.sidebar {
  width: var(--sidebar-w);
  background: var(--primary-dark);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.sidebar .logo {
  padding: 16px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar .logo-icon {
  font-size: 24px;
}

.sidebar .logo-text {
  font-size: 14px;
  font-weight: bold;
  letter-spacing: 1px;
}

.sidebar .nav {
  flex: 1;
  padding: 8px 0;
}

.sidebar .nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: rgba(255,255,255,.75);
  text-decoration: none;
  font-size: 13px;
  border-left: 3px solid transparent;
  transition: all .2s;
}

.sidebar .nav-item:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
}

.sidebar .nav-item.active {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-left-color: #7FB3D3;
}

.sidebar .nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.sidebar .user-info {
  padding: 14px 16px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 12px;
  color: rgba(255,255,255,.7);
}

.sidebar .btn-logout {
  margin-top: 8px;
  padding: 6px 12px;
  background: rgba(255,255,255,.1);
  border: none;
  border-radius: 4px;
  color: #fff;
  font-size: 12px;
  cursor: pointer;
  width: 100%;
}

.sidebar .btn-logout:hover {
  background: rgba(255,0,0,.3);
}

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

/* 顶部栏 */
.header {
  background: #fff;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.header h1 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 4px;
}

.header .breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
}

.header .breadcrumb .separator {
  margin: 0 8px;
}

/* 页面内容 */
.content {
  padding: 24px;
  flex: 1;
}

/* =====================================================
   统计卡片
   ===================================================== */
.stats-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 20px;
  text-align: center;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

.stat-card-warning .stat-value {
  color: var(--warning);
}

/* =====================================================
   筛选栏
   ===================================================== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-bar select,
.filter-bar input {
  width: auto;
  min-width: 140px;
  flex: 0 0 auto;
}

.filter-bar input.date-input {
  min-width: 150px;
}

.filter-bar input.search-input {
  min-width: 180px;
  flex: 1 1 180px;
}

.search-input {
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  width: 200px;
}

.filter-select {
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  background: #fff;
}

.filter-date {
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}

/* =====================================================
   表格
   ===================================================== */
.table-container {
  background: #fff;
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow: hidden;
}

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

.data-table thead th {
  background: var(--primary);
  color: #fff;
  padding: 12px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}

.data-table tbody tr {
  border-bottom: 1px solid var(--border);
}

.data-table tbody tr:hover {
  background: var(--bg-hover);
}

.data-table tbody td {
  padding: 12px;
  vertical-align: middle;
}

.data-table .loading,
.data-table .empty {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
}

/* =====================================================
   按钮
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
}

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

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

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

.btn-success:hover {
  background: #2D4A1B;
}

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

.btn-danger:hover {
  background: #8B0000;
}

.btn-secondary {
  background: #6c757d;
  color: #fff;
}

.btn-secondary:hover {
  background: #545b62;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* =====================================================
   状态标签
   ===================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.badge-in {
  background: var(--success-bg);
  color: var(--success);
}

.badge-out {
  background: var(--danger-bg);
  color: var(--danger);
}

.badge-profit {
  background: var(--success-bg);
  color: var(--success);
}

.badge-loss {
  background: var(--danger-bg);
  color: var(--danger);
}

.badge-admin {
  background: #EDE7F6;
  color: #6A1B9A;
}

.badge-operator {
  background: #E3EFF8;
  color: var(--primary-light);
}

/* =====================================================
   模态框
   ===================================================== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-content {
  background: #fff;
  border-radius: 10px;
  width: 500px;
  max-width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-content.modal-lg {
  width: 700px;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #FAFBFD;
  border-radius: 10px 10px 0 0;
}

.modal-header h3 {
  font-size: 15px;
  color: var(--primary);
}

.btn-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* =====================================================
   表单
   ===================================================== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group .required {
  color: var(--danger);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-row .form-group-lg {
  grid-column: span 2;
}

.form-section {
  margin-bottom: 20px;
  padding: 16px;
  background: #FAFBFD;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.form-section h4 {
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  transition: border-color .2s;
  background: #fff;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* =====================================================
   卡片
   ===================================================== */
.card {
  background: var(--bg-card);
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #FAFBFD;
  border-radius: 10px 10px 0 0;
}

.card-header h3 {
  font-size: 15px;
  color: var(--primary);
}

/* =====================================================
   分页
   ===================================================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 16px;
}

.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

.pagination button:hover {
  background: var(--bg-hover);
}

.pagination button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* =====================================================
   辅助类
   ===================================================== */
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.font-bold { font-weight: bold; }

/* =====================================================
   扫码入库样式
   ===================================================== */
.scan-area {
  margin-bottom: 16px;
  padding: 12px 16px;
  background: linear-gradient(135deg, #667eea14 0%, #764ba214 100%);
  border-radius: 8px;
  border: 2px dashed #667eea50;
}

.scan-input-wrapper {
  display: flex;
  align-items: center;
  background: white;
  border-radius: 8px;
  padding: 8px 12px;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.15);
}

.scan-icon {
  font-size: 20px;
  margin-right: 8px;
}

.scan-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 16px;
  padding: 8px;
  background: transparent;
  color: var(--primary-dark);
}

.scan-input::placeholder {
  color: #999;
}

.btn-clear-scan {
  background: #e0e0e0;
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  cursor: pointer;
  color: #666;
  font-size: 12px;
  line-height: 24px;
  text-align: center;
}

.btn-clear-scan:hover {
  background: #ccc;
}

.scan-result {
  margin-top: 8px;
  min-height: 24px;
}

.scan-result.scanning {
  color: #667eea;
}

.scan-result.success span,
.scan-result.success {
  color: var(--success);
  font-weight: 500;
}

.scan-result.error span,
.scan-result.error {
  color: var(--danger);
  font-weight: 500;
}

.scan-loading {
  font-size: 13px;
  animation: pulse 1s infinite;
}

.scan-success {
  font-size: 13px;
}

.scan-error {
  font-size: 13px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}