/* 商务单据生成系统 v2.0 — Web前端样式 */

:root {
  --navy: #1B2A4A;
  --navy-light: #2D4A7A;
  --gold: #C9963B;
  --gold-light: #E8D5A8;
  --bg: #F5F6FA;
  --card: #FFFFFF;
  --text: #1A1A2E;
  --text-muted: #6B7280;
  --border: #E5E7EB;
  --success: #10B981;
  --danger: #EF4444;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
}

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

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* 导航 */
.navbar {
  background: var(--navy);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(27,42,74,0.15);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
}
.navbar .brand img {
  height: 32px;
}
.navbar .nav-links {
  display: flex;
  gap: 4px;
}
.navbar .nav-links a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  transition: all 0.2s;
}
.navbar .nav-links a:hover,
.navbar .nav-links a.active {
  background: rgba(255,255,255,0.12);
  color: white;
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* 卡片 */
.card {
  background: var(--card);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gold-light);
}

/* 单据类型选择网格 */
.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.doc-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
  color: var(--text);
}
.doc-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.doc-card .icon {
  font-size: 36px;
  margin-bottom: 10px;
}
.doc-card .label {
  font-size: 14px;
  font-weight: 600;
}
.doc-card .sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 表单 */
.form-group {
  margin-bottom: 14px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 4px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,150,59,0.12);
}
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

/* 产品明细表 */
.product-table-edit {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}
.product-table-edit th {
  background: var(--navy);
  color: white;
  font-size: 12px;
  padding: 8px 6px;
  text-align: center;
}
.product-table-edit td {
  padding: 4px;
  border-bottom: 1px solid var(--border);
}
.product-table-edit td input {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
}
.add-row-btn {
  margin-top: 8px;
  padding: 6px 14px;
  background: transparent;
  border: 1.5px dashed var(--gold);
  color: var(--gold);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s;
}
.add-row-btn:hover {
  background: var(--gold-light);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary {
  background: var(--navy);
  color: white;
}
.btn-primary:hover { background: var(--navy-light); }
.btn-gold {
  background: var(--gold);
  color: white;
}
.btn-gold:hover { background: #B8882E; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--navy);
  color: var(--navy);
}

/* 智能提取区 */
.smart-extract {
  background: linear-gradient(135deg, #1B2A4A 0%, #2D4A7A 100%);
  border-radius: 12px;
  padding: 24px;
  color: white;
  margin-bottom: 20px;
}
.smart-extract h3 {
  font-size: 15px;
  margin-bottom: 8px;
}
.smart-extract p {
  font-size: 12px;
  opacity: 0.8;
  margin-bottom: 12px;
}
.smart-extract textarea {
  width: 100%;
  height: 120px;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-size: 13px;
  resize: vertical;
  margin-bottom: 10px;
}
.smart-extract .result {
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 12px;
  margin-top: 10px;
  font-size: 12px;
  max-height: 300px;
  overflow-y: auto;
}

/* 历史列表 */
.history-table {
  width: 100%;
  border-collapse: collapse;
}
.history-table th {
  background: var(--navy);
  color: white;
  font-size: 12px;
  padding: 10px 12px;
  text-align: left;
}
.history-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

/* 动画 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.3s ease; }