/* ==========================================
   优同ERP — 全局样式 (白金深蓝主题)
   与官网 www.youtongad.com 配色统一
   ========================================== */

:root {
  --primary:        #C9A84C;
  --primary-light:  #D4B96A;
  --primary-dark:   #A8882E;
  --accent:         #D4B96A;
  --accent-light:   #E8D5A0;
  --bg:             #0F1D3D;
  --bg-card:        #152040;
  --bg-hover:       #1A2A50;
  --text:           #E8E6F0;
  --text-secondary: #9CA3B8;
  --text-light:     #6B7288;
  --success:        #10B981;
  --warning:        #F59E0B;
  --danger:         #EF4444;
  --info:           #3B82F6;
  --border:         rgba(201,168,76,0.15);
  --border-light:   rgba(201,168,76,0.08);
  --border-color:   rgba(201,168,76,0.15);
  --shadow:         0 2px 8px rgba(0,0,0,0.3);
  --shadow-lg:      0 4px 20px rgba(0,0,0,0.4);
  --radius:         8px;
  --radius-lg:      12px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ====== 登录页 ====== */
.login-bg {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at 30% 20%, rgba(201,168,76,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(26,45,90,0.5) 0%, transparent 60%),
              linear-gradient(180deg, #0A1528 0%, #0F1D3D 40%, #1A2D5A 100%);
}

.login-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 48px 40px;
  width: 400px;
  max-width: 90vw;
  border: 1px solid var(--border);
}

.login-card h1 {
  text-align: center;
  color: var(--white, #FFFFFF);
  font-size: 28px;
  margin-bottom: 8px;
}

.login-card .subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text);
  background: rgba(10,21,40,0.6);
  transition: border-color 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #0F1D3D;
}
.btn-primary:hover { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); transform: translateY(-1px); }

.btn-accent {
  background: var(--primary);
  color: #0F1D3D;
}
.btn-accent:hover { background: var(--primary-dark); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }

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

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

.btn-outline {
  background: transparent; color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-outline:hover { background: rgba(201, 168, 76, 0.1); }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-block { width: 100%; }

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

/* 侧边栏 */
.sidebar {
  width: 240px;
  background: #0A1528;
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  border-right: 1px solid var(--border);
}

.sidebar-logo {
  padding: 20px;
  font-size: 18px; font-weight: 700;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  color: var(--text);
}

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

.nav-section {
  margin-bottom: 8px;
}

.nav-section-title {
  padding: 8px 20px;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: 1px;
}

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.15s;
  cursor: pointer;
}

.nav-item:hover {
  background: rgba(201,168,76,0.06);
  color: var(--text);
}

.nav-item.active {
  background: rgba(201,168,76,0.1);
  color: var(--primary);
  font-weight: 500;
  border-right: 2px solid var(--primary);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
}

.sidebar-footer .user {
  color: var(--accent-light);
  margin-bottom: 4px;
}

.sidebar-footer .role {
  color: var(--text-light);
  font-size: 12px;
}

.sidebar-footer .btn-logout {
  margin-top: 8px;
  color: var(--text-light);
  background: none; border: none;
  font-size: 12px; cursor: pointer;
}
.sidebar-footer .btn-logout:hover { color: var(--danger); }

/* 主内容区 */
.main {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: rgba(21,32,64,0.9);
  backdrop-filter: blur(10px);
  padding: 0 24px;
  height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar h2 {
  font-size: 18px; font-weight: 600;
  color: var(--text);
}

.content {
  flex: 1;
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

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

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

.card-header h3 {
  font-size: 16px; font-weight: 600;
  color: var(--text);
}

.card-body {
  padding: 20px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

table th {
  background: rgba(201,168,76,0.06);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  border-bottom: 2px solid var(--border);
}

table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
  color: var(--text);
}

table tr:hover { background: rgba(201,168,76,0.04); }

/* ====== 状态标签 ====== */
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.tag-draft    { background: rgba(156,163,184,0.15); color: var(--text-secondary); }
.tag-pending  { background: rgba(245,158,11,0.15); color: #FBBF24; }
.tag-approved { background: rgba(16,185,129,0.15); color: #34D399; }
.tag-rejected { background: rgba(239,68,68,0.15); color: #F87171; }
.tag-active   { background: rgba(59,130,246,0.15); color: #60A5FA; }
.tag-done     { background: rgba(139,92,246,0.15); color: #A78BFA; }

/* ====== 补充标签色 ====== */
.tag-warning { background: rgba(245,158,11,0.15); color: #FBBF24; }
.tag-success { background: rgba(16,185,129,0.15); color: #34D399; }
.tag-danger  { background: rgba(239,68,68,0.15); color: #F87171; }
.tag-info    { background: rgba(59,130,246,0.15); color: #60A5FA; }
.tag-default { background: rgba(156,163,184,0.12); color: var(--text-secondary); }

/* ====== 消息提示 ====== */
.toast {
  position: fixed; top: 20px; right: 20px;
  padding: 12px 20px;
  border-radius: var(--radius);
  color: #fff; font-size: 14px;
  z-index: 9999;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.3s;
  box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { background: var(--success); }
.toast-error   { background: var(--danger); }
.toast-warning { background: var(--warning); }

/* ====== 工具类 ====== */
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-secondary { color: var(--text-secondary); font-size: 13px; }

/* 搜索过滤 */
.toolbar {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.toolbar input,
.toolbar select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  background: rgba(10,21,40,0.6);
  color: var(--text);
  width: 200px;
}

.toolbar input:focus,
.toolbar select:focus {
  outline: none; border-color: var(--primary);
}

/* 弹窗 */
.modal-overlay {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.modal-overlay.show { display: flex; }

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  width: 560px;
  max-width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
}

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

.modal-header h3 { font-size: 16px; color: var(--text); }

.modal-close {
  background: none; border: none;
  font-size: 20px; cursor: pointer;
  color: var(--text-secondary);
}
.modal-close:hover { color: var(--danger); }

.modal-body { padding: 20px; }

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 8px;
}

/* ====== 表单网格 (弹窗用) ====== */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 480px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* ====== 表格操作列 ====== */
.actions {
  white-space: nowrap;
  display: flex; gap: 4px;
}

/* ====== 分页 ====== */
.pagination {
  display: flex; justify-content: center; align-items: center;
  gap: 6px; margin-top: 16px; padding: 8px 0;
}

.pagination .btn-outline {
  color: var(--text-secondary);
  border-color: var(--border);
}
.pagination .btn-primary {
  color: #0F1D3D;
}

/* ====== 标签页 ====== */
.tabs {
  display: flex; border-bottom: 2px solid var(--border);
  margin-bottom: 16px; gap: 0;
}
.tab-btn {
  padding: 10px 20px; background: none; border: none;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  color: var(--text-secondary); cursor: pointer; font-size: 14px;
  transition: all 0.2s; font-weight: 500;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ====== 统计卡片 ====== */
.stats-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 16px; text-align: center;
}
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-card .stat-label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
.stat-card.won .stat-value { color: #34D399; }
.stat-card.lost .stat-value { color: #F87171; }
.stat-card.amount .stat-value { color: #FBBF24; }

/* ====== Dashboard 指标卡 ====== */
.metric-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.metric-card .metric-label {
  font-size: 13px; color: var(--text-secondary); margin-bottom: 8px;
}

.metric-card .metric-value {
  font-size: 32px; font-weight: 700; color: var(--text);
}

.metric-card .metric-sub {
  font-size: 12px; color: var(--text-light); margin-top: 4px;
}

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

/* ====== 链接 ====== */
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-light); }

/* ====== 滚动条 ====== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(201,168,76,0.3); }

/* ====== 响应式 ====== */
@media (max-width: 768px) {
  .sidebar { width: 200px; }
  .main { margin-left: 200px; }
  .content { padding: 16px; }
}