/* ================================================================
   单据模板录入系统 — 全局样式（纯静态网页）
   ================================================================ */

/* ----- 基础重置 ----- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
  background: linear-gradient(135deg, #e8f0f2 0%, #f0ebe3 30%, #eef4e8 60%, #f5f0f5 100%);
  background-attachment: fixed;
  color: #333;
  min-height: 100vh;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(168,210,224,0.25) 0%, transparent 50%),
    radial-gradient(circle at 85% 60%, rgba(200,220,180,0.2) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(210,190,200,0.2) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ----- 顶部导航栏 ----- */
.top-nav {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: #2c3e50;
  display: flex;
  align-items: center;
  padding: 0 24px;
  height: 56px;
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.top-nav .logo {
  font-size: 20px;
  font-weight: bold;
  margin-right: 40px;
  letter-spacing: 2px;
  user-select: none;
  color: #1a73e8;
}
.top-nav .nav-tabs {
  display: flex;
  height: 100%;
  list-style: none;
}
.top-nav .nav-tabs li {
  padding: 0 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  font-size: 15px;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
  user-select: none;
  color: #555;
}
.top-nav .nav-tabs li:hover { background: rgba(26,115,232,0.06); color: #1a73e8; }
.top-nav .nav-tabs li.active { border-bottom-color: #1a73e8; font-weight: bold; color: #1a73e8; }

/* ----- 主容器 ----- */
.main-container { max-width: 1100px; margin: 0 auto; padding: 20px; }

/* ----- 视图切换 ----- */
.view { display: none; }
.view.active { display: block; }

/* ----- 单据纸张 ----- */
.document-paper {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  padding: 32px 36px;
  margin: 0 auto;
  max-width: 900px;
  border: 1px solid rgba(255,255,255,0.6);
}
.document-paper .doc-title {
  text-align: center;
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 4px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid #e0e0e0;
  outline: none;
}

/* ----- 头部 / 底部字段网格 ----- */
.doc-header, .doc-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 40px;
  margin-bottom: 16px;
}
.doc-footer { margin-top: 16px; margin-bottom: 0; }

/* 备注：独占一行 */
.doc-remark-row {
  display: flex;
  align-items: flex-start;
  font-size: 14px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid #ddd;
}
.doc-remark-row label {
  white-space: nowrap;
  min-width: 100px;
  font-weight: bold;
  padding-top: 4px;
}
.doc-remark-row textarea {
  flex: 1;
  border: none;
  border-bottom: 1px dashed #ccc;
  padding: 4px 6px;
  font-size: 14px;
  font-family: inherit;
  background: transparent;
  outline: none;
  resize: vertical;
  min-height: 28px;
  transition: border-color 0.2s;
}
.doc-remark-row textarea:focus {
  border-bottom-color: #1a73e8;
  border-bottom-style: solid;
}

.field { display: flex; align-items: center; font-size: 14px; }
.field label { white-space: nowrap; min-width: 100px; font-weight: bold; }
.field input, .field textarea {
  flex: 1;
  border: none;
  border-bottom: 1px dashed #ccc;
  padding: 4px 6px;
  font-size: 14px;
  font-family: inherit;
  background: transparent;
  outline: none;
  transition: border-color 0.2s;
}
.field input:focus, .field textarea:focus {
  border-bottom-color: #1a73e8;
  border-bottom-style: solid;
}
.field textarea { resize: none; height: 28px; }

/* ----- 表格 ----- */
.table-wrapper { overflow-x: auto; margin: 16px 0; }
.doc-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.doc-table th, .doc-table td { border: 1px solid #999; padding: 6px 4px; text-align: center; }
.doc-table th { background: rgba(26,115,232,0.06); font-weight: bold; white-space: nowrap; color: #1a73e8; }
.doc-table td input {
  width: 100%;
  border: none;
  text-align: center;
  font-size: 13px;
  font-family: inherit;
  background: transparent;
  outline: none;
  padding: 2px;
}
.doc-table td input:focus { background: #e8f0fe; }

.doc-table .col-no    { width: 40px; }
.doc-table .col-name  { width: 160px; }
.doc-table .col-spec  { width: 100px; }
.doc-table .col-unit  { width: 56px; }
.doc-table .col-qty   { width: 64px; }
.doc-table .col-price { width: 72px; }
.doc-table .col-amount{ width: 80px; }
.doc-table .col-remark{ width: 100px; }

.doc-table td.amount-cell {
  font-weight: bold;
  color: #d32f2f;
  background: #fafafa;
}

/* ----- 合计行 ----- */
.doc-total-row {
  text-align: right;
  font-size: 16px;
  font-weight: bold;
  margin-top: 12px;
  padding-top: 8px;
  border-top: 2px solid #333;
}
.doc-total-row .total-amount { color: #d32f2f; font-size: 18px; }

/* ----- 通用按钮（毛玻璃质感） ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 100px;
  height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
  font-family: inherit;
  white-space: nowrap;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.12); }
.btn:active { transform: translateY(0); }
.btn-primary  { background: rgba(26,115,232,0.85); color: #fff; }
.btn-success  { background: rgba(76,175,80,0.85); color: #fff; }
.btn-warning  { background: rgba(255,152,0,0.85); color: #fff; }
.btn-danger   { background: rgba(244,67,54,0.85); color: #fff; }
.btn-outline  { background: rgba(255,255,255,0.5); color: #1a73e8; border: 1px solid rgba(26,115,232,0.3); }
.btn-sm       { min-width: auto; height: 30px; padding: 0 10px; font-size: 12px; border-radius: 6px; }

/* ----- 工具栏行 ----- */
.toolbar-row {
  display: flex;
  gap: 4px;
  margin-bottom: 6px;
  flex-wrap: nowrap;
  align-items: center;
}
.toolbar-row + .toolbar-row { margin-bottom: 16px; }

/* ----- 模态框 ----- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  justify-content: center;
  align-items: flex-start;
  padding-top: 40px;
}
.modal-overlay.show { display: flex; }
.modal-box {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 12px;
  padding: 24px;
  min-width: 420px;
  max-width: 700px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  border: 1px solid rgba(255,255,255,0.5);
}
.modal-box h3 { margin-bottom: 16px; font-size: 18px; }
.modal-box .modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; }

/* ----- 卡片列表 ----- */
.card-list { display: flex; flex-direction: column; gap: 8px; }
.card-item {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 10px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.05);
  border: 1px solid rgba(255,255,255,0.5);
  transition: all 0.2s;
  cursor: pointer;
}
.card-item:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); transform: translateY(-1px); }
.card-item .card-info { flex: 1; min-width: 0; }
.card-item .card-title {
  font-size: 15px;
  font-weight: bold;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-item .card-meta { font-size: 12px; color: #888; margin-top: 4px; }
.card-item .card-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* ----- 项目卡片列表（左图标右文字） ----- */
.project-grid {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.project-card {
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 8px;
  transition: all 0.15s;
  user-select: none;
}
.project-card:hover { background: rgba(255,255,255,0.8); box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.project-card.selected {
  background: rgba(26,115,232,0.1);
  border-color: rgba(26,115,232,0.4);
  box-shadow: 0 2px 12px rgba(26,115,232,0.12);
}
.project-card .card-icon {
  font-size: 32px;
  line-height: 1;
  flex-shrink: 0;
}
.project-card .card-info-area {
  flex: 1;
  min-width: 0;
}
.project-card .card-name {
  font-size: 14px;
  font-weight: bold;
  color: #333;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.project-card .card-meta {
  font-size: 11px;
  color: #999;
  margin-top: 2px;
}

/* ----- 搜索框 ----- */
.search-box { display: flex; align-items: center; gap: 8px; }
.search-box input {
  padding: 0 10px;
  height: 34px;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 8px;
  width: 180px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: all 0.2s;
}
.search-box input:focus { border-color: rgba(26,115,232,0.4); background: rgba(255,255,255,0.9); box-shadow: 0 0 0 3px rgba(26,115,232,0.08); }

/* ----- 预览覆盖层 ----- */
.preview-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 300;
  justify-content: center;
  align-items: flex-start;
  padding: 20px;
  overflow-y: auto;
}
.preview-overlay.show { display: flex; }
.preview-container {
  background: rgba(255,255,255,0.95);
  border-radius: 8px;
  max-width: 950px;
  width: 100%;
  margin: 20px auto;
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.preview-close {
  position: sticky;
  top: 20px;
  float: right;
  margin-right: -20px;
  margin-top: -10px;
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: #f44336;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* ----- 表单（新建模板弹窗） ----- */
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-weight: bold; margin-bottom: 4px; font-size: 13px; }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  background: rgba(255,255,255,0.6);
  transition: all 0.2s;
}
.form-group input:focus, .form-group textarea:focus { border-color: rgba(26,115,232,0.4); box-shadow: 0 0 0 3px rgba(26,115,232,0.06); }
.form-group textarea { resize: vertical; min-height: 60px; }

/* ----- 空状态 ----- */
.empty-state { text-align: center; padding: 60px 20px; color: #999; }
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 16px; }

/* ----- Toast 消息 ----- */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(44,62,80,0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  padding: 10px 24px;
  border-radius: 20px;
  font-size: 14px;
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.toast.show { opacity: 1; }
.toast.success { background: rgba(76,175,80,0.9); }
.toast.error   { background: rgba(244,67,54,0.9); }

/* ----- 登录页面 ----- */
.login-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #e8f0f2 0%, #f0ebe3 30%, #eef4e8 60%, #f5f0f5 100%);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}
.login-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 30%, rgba(168,210,224,0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(200,220,180,0.25) 0%, transparent 50%);
  pointer-events: none;
}
.login-overlay.hidden { display: none; }

.login-box {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 16px;
  padding: 40px 36px;
  width: 380px;
  text-align: center;
  box-shadow: 0 12px 48px rgba(0,0,0,0.1);
  border: 1px solid rgba(255,255,255,0.6);
  position: relative;
  z-index: 1;
}
.login-icon { font-size: 48px; margin-bottom: 8px; }
.login-title { font-size: 22px; font-weight: bold; color: #2c3e50; margin-bottom: 4px; }
.login-subtitle { font-size: 13px; color: #999; margin-bottom: 24px; }

.login-field { margin-bottom: 12px; }
.login-field input {
  width: 100%;
  height: 42px;
  padding: 0 14px;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  background: rgba(255,255,255,0.6);
  transition: all 0.2s;
}
.login-field input:focus {
  border-color: rgba(26,115,232,0.4);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.06);
  background: rgba(255,255,255,0.9);
}

.login-btn { width: 100%; height: 42px; font-size: 15px; border-radius: 10px; }

.login-error {
  color: #f44336;
  font-size: 12px;
  min-height: 18px;
  margin-bottom: 8px;
}

.login-switch { margin-top: 16px; font-size: 13px; color: #888; }
.login-switch a { color: #1a73e8; text-decoration: none; font-weight: bold; cursor: pointer; }
.login-switch a:hover { text-decoration: underline; }

/* ================================================================
   响应式适配：手机 / 平板 / 电脑
   ================================================================ */

/* ----- 平板（≤1024px） ----- */
@media (max-width: 1024px) {
  .main-container { max-width: 100%; padding: 12px; }
  .document-paper { max-width: 100%; padding: 24px 20px; }
  .toolbar-row { gap: 4px; }
  .btn { min-width: 80px; height: 32px; font-size: 12px; padding: 0 8px; }
  .login-box { width: 340px; padding: 32px 24px; }
}

/* ----- 手机横屏 / 小平板（≤768px） ----- */
@media (max-width: 768px) {
  .top-nav { padding: 0 12px; height: 48px; }
  .top-nav .logo { font-size: 15px; margin-right: 12px; letter-spacing: 0; }
  .top-nav .nav-tabs li { padding: 0 10px; font-size: 13px; }
  #navUsername { display: none; }

  .main-container { padding: 8px; }

  .document-paper { padding: 16px 12px; border-radius: 8px; }
  .document-paper .doc-title { font-size: 18px; letter-spacing: 2px; }

  .doc-header, .doc-footer { grid-template-columns: 1fr; gap: 6px 20px; }

  .toolbar-row { gap: 3px; margin-bottom: 4px; }
  .toolbar-row + .toolbar-row { margin-bottom: 10px; }
  .btn { min-width: 64px; height: 30px; font-size: 11px; padding: 0 6px; border-radius: 6px; }
  .btn-sm { height: 26px; font-size: 10px; padding: 0 6px; }

  .table-wrapper { margin: 10px -12px; }
  .doc-table { font-size: 11px; }
  .doc-table th, .doc-table td { padding: 4px 2px; }
  .doc-table td input { font-size: 11px; }

  .doc-total-row { font-size: 14px; }
  .doc-total-row .total-amount { font-size: 16px; }

  .search-box input { width: 120px; height: 30px; font-size: 11px; }
  #projectNameInput { width: 100px !important; height: 30px !important; font-size: 11px !important; }

  .modal-box { min-width: auto; max-width: 95vw; padding: 16px; }
  .modal-box h3 { font-size: 16px; }

  .project-grid { gap: 4px; }
  .project-card { padding: 8px 10px; gap: 8px; }
  .project-card .card-icon { font-size: 28px; }
  .project-card .card-name { font-size: 13px; }
  .project-card .card-meta { font-size: 10px; }

  .card-item { padding: 10px 12px; gap: 8px; }
  .card-item .card-title { font-size: 13px; }
  .card-item .card-actions .btn { min-width: auto; font-size: 10px; }

  .login-box { width: 300px; padding: 28px 20px; }
  .login-icon { font-size: 40px; }
  .login-title { font-size: 20px; }
  .login-field input { height: 38px; font-size: 13px; }
  .login-btn { height: 38px; font-size: 14px; }

  .preview-container { max-width: 100%; }
  .preview-close { margin-right: 8px; margin-top: 8px; width: 30px; height: 30px; font-size: 16px; }
}

/* ----- 手机竖屏（≤480px） ----- */
@media (max-width: 480px) {
  .top-nav { padding: 0 6px; height: 42px; }
  .top-nav .logo { font-size: 13px; margin-right: 6px; }
  .top-nav .nav-tabs li { padding: 0 6px; font-size: 11px; }

  .main-container { padding: 4px; }

  .document-paper { padding: 10px 8px; border-radius: 6px; }
  .document-paper .doc-title { font-size: 16px; letter-spacing: 1px; margin-bottom: 12px; padding-bottom: 8px; }

  .field { font-size: 12px; }
  .field label { min-width: auto; font-size: 12px; }
  .field input, .field textarea { font-size: 12px; }

  .btn { min-width: 50px; height: 28px; font-size: 10px; padding: 0 5px; border-radius: 5px; gap: 2px; }
  .btn-sm { height: 24px; font-size: 9px; }

  .doc-table { font-size: 10px; }
  .doc-table th, .doc-table td { padding: 3px 1px; }
  .doc-table td input { font-size: 10px; }
  .doc-table .col-name { width: 80px; }
  .doc-table .col-spec { width: 60px; }
  .doc-table .col-unit, .doc-table .col-qty, .doc-table .col-price, .doc-table .col-amount { width: 40px; }

  .doc-total-row { font-size: 13px; }
  .doc-total-row .total-amount { font-size: 15px; }

  .search-box input { width: 90px; height: 28px; font-size: 10px; }
  #projectNameInput { width: 80px !important; height: 28px !important; font-size: 10px !important; }

  .login-box { width: 280px; padding: 24px 16px; }
  .login-title { font-size: 18px; }
  .login-subtitle { font-size: 12px; }

  .preview-close { width: 28px; height: 28px; font-size: 14px; }
  .preview-overlay { padding: 8px; }

  .doc-remark-row { margin-top: 10px; padding-top: 8px; }
  .doc-remark-row label { min-width: auto; font-size: 12px; }
  .doc-remark-row textarea { font-size: 12px; }
}