/* =============================================
   露营地财务管理系统 · 主样式表
   色彩：深林绿 + 原木米白 + 琥珀橙
   ============================================= */

:root {
  --green-dark:   #1A2F23;
  --green-mid:    #2D6A4F;
  --green-light:  #52B788;
  --green-pale:   #D8F3DC;
  --amber:        #D4872A;
  --amber-pale:   #FFF3E0;
  --red:          #C0392B;
  --red-pale:     #FDE8E8;
  --bg:           #F0EBE1;
  --card:         #FFFFFF;
  --border:       #DDD5C8;
  --text:         #1A1A1A;
  --text-sub:     #5A5047;
  --text-muted:   #9A8E83;
  --shadow:       0 2px 12px rgba(26,47,35,.10);
  --radius:       10px;
  --radius-lg:    16px;
  --navbar-w:     220px;
  --font:         'Noto Sans SC', system-ui, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  font-size: 14px;
  line-height: 1.6;
}

/* ── 导航栏 ── */
.navbar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--navbar-w);
  background: var(--green-dark);
  display: flex;
  flex-direction: column;
  padding: 0 0 1.5rem;
  z-index: 100;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 1.4rem 1.2rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: .5rem;
}

.brand-icon { font-size: 1.6rem; }

.brand-text {
  font-size: .78rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .04em;
  line-height: 1.3;
}

.navbar-menu {
  list-style: none;
  flex: 1;
  padding: .4rem 0;
}

.navbar-menu li + li { margin-top: 2px; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: .7rem 1.2rem;
  color: rgba(255,255,255,.65);
  text-decoration: none;
  border-radius: 0 8px 8px 0;
  margin-right: .8rem;
  font-size: .84rem;
  transition: background .18s, color .18s;
}

.nav-link:hover { background: rgba(255,255,255,.08); color: #fff; }
.nav-link.active { background: var(--green-mid); color: #fff; font-weight: 500; }

.nav-icon { font-size: 1.05rem; width: 20px; text-align: center; }

.navbar-user {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  padding: 1rem 1.2rem 0;
  border-top: 1px solid rgba(255,255,255,.08);
}

.user-badge {
  font-size: .8rem;
  color: rgba(255,255,255,.7);
}

.btn-logout {
  font-size: .76rem;
  color: rgba(255,255,255,.45);
  text-decoration: none;
  border: 1px solid rgba(255,255,255,.15);
  padding: .25rem .8rem;
  border-radius: 20px;
  transition: all .18s;
}
.btn-logout:hover { color: #fff; border-color: rgba(255,255,255,.4); }

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

.page-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 1.2rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-dark);
}

.page-content {
  padding: 1.8rem 2rem;
  flex: 1;
}

.page-footer {
  text-align: center;
  padding: 1rem;
  font-size: .75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: var(--card);
}

/* ── 卡片 ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.6rem;
  box-shadow: var(--shadow);
}

.card-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ── 统计卡片网格 ── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.4rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  border-radius: 4px 0 0 4px;
  background: var(--green-mid);
}

.stat-card.amber::before { background: var(--amber); }
.stat-card.red::before   { background: var(--red); }
.stat-card.teal::before  { background: var(--green-light); }

.stat-label {
  font-size: .76rem;
  color: var(--text-muted);
  margin-bottom: .35rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1.2;
}

.stat-card.amber .stat-value { color: var(--amber); }
.stat-card.red   .stat-value { color: var(--red); }
.stat-card.teal  .stat-value { color: var(--green-mid); }

.stat-sub {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: .3rem;
}

/* ── 表格 ── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .84rem;
}

.data-table th {
  background: #F7F4EF;
  color: var(--text-sub);
  font-weight: 600;
  padding: .7rem 1rem;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
  font-size: .78rem;
  letter-spacing: .03em;
}

.data-table td {
  padding: .7rem 1rem;
  border-bottom: 1px solid #F0EBE1;
  color: var(--text);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: #FAFAF8; }

/* ── 徽章 ── */
.badge {
  display: inline-block;
  padding: .18rem .6rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-green  { background: var(--green-pale); color: #1B5E35; }
.badge-amber  { background: var(--amber-pale); color: #8B5E1A; }
.badge-red    { background: var(--red-pale);   color: #8B2020; }
.badge-gray   { background: #F0EBE1;           color: var(--text-sub); }
.badge-blue   { background: #E3F2FD;           color: #1565C0; }
/* ── 表单 ── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem 1.4rem;
}

.form-group { display: flex; flex-direction: column; gap: .35rem; }

.form-group label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-sub);
}

.form-group input,
.form-group select,
.form-group textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .55rem .85rem;
  font-family: var(--font);
  font-size: .88rem;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(45,106,79,.12);
}

.form-group textarea { resize: vertical; min-height: 72px; }

.form-group .hint {
  font-size: .72rem;
  color: var(--text-muted);
}

.form-actions {
  display: flex;
  gap: .75rem;
  margin-top: 1.4rem;
  justify-content: flex-end;
}

/* ── 按钮 ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .5rem 1.2rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all .18s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green-mid);
  color: #fff;
  border-color: var(--green-mid);
}
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); }

.btn-amber {
  background: var(--amber);
  color: #fff;
  border-color: var(--amber);
}
.btn-amber:hover { background: #B8731F; border-color: #B8731F; }

.btn-danger {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}
.btn-danger:hover { background: #9C2B21; border-color: #9C2B21; }

.btn-outline {
  background: transparent;
  color: var(--text-sub);
  border-color: var(--border);
}
.btn-outline:hover { background: var(--bg); color: var(--text); }

.btn-sm { padding: .3rem .8rem; font-size: .78rem; }

/* ── 提示框 ── */
.alert {
  padding: .8rem 1.2rem;
  border-radius: var(--radius);
  font-size: .85rem;
  margin-bottom: 1.2rem;
  border-left: 3px solid transparent;
}
.alert-success { background: var(--green-pale); border-color: var(--green-mid); color: #1B5E35; }
.alert-error   { background: var(--red-pale);   border-color: var(--red);       color: #8B2020; }
.alert-warning { background: var(--amber-pale); border-color: var(--amber);     color: #8B5E1A; }
.alert-info    { background: #E3F2FD;           border-color: #1565C0;          color: #1565C0; }

/* ── 分页 ── */
.pagination {
  display: flex;
  gap: .4rem;
  align-items: center;
  justify-content: flex-end;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.page-btn {
  padding: .35rem .75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--text-sub);
  font-size: .8rem;
  cursor: pointer;
  text-decoration: none;
  transition: all .15s;
}
.page-btn:hover { border-color: var(--green-mid); color: var(--green-mid); }
.page-btn.active { background: var(--green-mid); color: #fff; border-color: var(--green-mid); }
.page-btn.disabled { opacity: .4; pointer-events: none; }

/* ── 筛选栏 ── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  align-items: flex-end;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.4rem;
  margin-bottom: 1.2rem;
}

.filter-bar .form-group { min-width: 140px; }
.filter-bar .form-group label { font-size: .75rem; }
.filter-bar .form-group input,
.filter-bar .form-group select { font-size: .82rem; padding: .42rem .72rem; }

/* ── 图表占位区 ── */
.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-bottom: 1.4rem;
}

.chart-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.4rem;
  box-shadow: var(--shadow);
}

.chart-box canvas { width: 100% !important; }

/* ── 登录页 ── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-dark);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(82,183,136,.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(212,135,42,.10) 0%, transparent 50%);
}

.login-card {
  background: var(--card);
  border-radius: 20px;
  padding: 2.4rem 2.8rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}

.login-logo {
  text-align: center;
  margin-bottom: 1.8rem;
}

.login-logo .icon { font-size: 2.8rem; display: block; margin-bottom: .4rem; }

.login-logo h1 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-dark);
}

.login-logo p {
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: .2rem;
}

/* ── 验证码行 ── */
.captcha-row {
  display: flex;
  gap: .6rem;
  align-items: center;
}

.captcha-row input { flex: 1; }

.captcha-img {
  height: 36px;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 .6rem;
  background: linear-gradient(135deg, #e8f4ef 0%, #d4e8dc 100%);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .25em;
  color: var(--green-dark);
  min-width: 100px;
  font-family: 'Courier New', monospace;
  position: relative;
  overflow: hidden;
}

/* 表头操作区 */
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
}

.section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--green-dark);
}

/* 金额高亮 */
.amount-income { color: var(--green-mid); font-weight: 600; }
.amount-expense { color: var(--red); font-weight: 600; }

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: .5rem; }
.empty-state p { font-size: .85rem; }

/* 弹窗 */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 1.8rem 2rem;
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0,0,0,.2);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.4rem;
}

.modal-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--green-dark);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
}


/* =============================================
   移动端响应式
   ============================================= */

/* ── 汉堡按钮（仅移动端显示）── */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all .25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── 遮罩层（移动端菜单展开时）── */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 99;
}
.nav-backdrop.open { display: block; }

/* ── 内联双列网格响应式辅助类 ── */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

@media (max-width: 768px) {
  :root { --navbar-w: 0px; }

  body { flex-direction: column; }

  /* ── 顶部导航栏（固定，水平排列）── */
  .navbar {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: auto;
    width: 100%;
    height: 52px;
    flex-direction: row;
    align-items: center;
    padding: 0 .8rem;
    gap: .5rem;
    z-index: 100;
    overflow: hidden;
  }

  /* brand 居中，order 控制排序：toggle=1 brand=2 user=3 */
  .navbar-brand {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex: 1;
    padding: 0;
    border-bottom: none;
    margin-bottom: 0;
    order: 2;
    min-width: 0;
  }
  .brand-icon { font-size: 1.2rem; }
  .brand-text {
    font-size: .78rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* 汉堡按钮最左 */
  .nav-toggle { display: flex; order: 1; }

  /* 用户信息最右 */
  .navbar-user {
    order: 3;
    flex-direction: row;
    align-items: center;
    padding: 0;
    border-top: none;
    gap: .5rem;
    flex-shrink: 0;
  }
  .user-badge {
    font-size: .75rem;
    max-width: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* 抽屉菜单 */
  .navbar-menu {
    display: flex;
    position: fixed;
    top: 52px; left: 0; bottom: 0;
    width: 220px;
    background: var(--green-dark);
    flex-direction: column;
    padding: .8rem 0;
    transform: translateX(-100%);
    transition: transform .25s ease;
    z-index: 100;
    overflow-y: auto;
  }
  .navbar-menu.open { transform: translateX(0); }
  .navbar-menu li + li { margin-top: 2px; }

  .nav-link {
    border-radius: 0 8px 8px 0;
    margin-right: .8rem;
    padding: .75rem 1.2rem;
  }

  /* 主内容区顶部留出导航高度 */
  .main-wrap {
    margin-left: 0;
    margin-top: 52px;
    min-height: calc(100vh - 52px);
  }

  /* ── 页头 ── */
  .page-header {
    padding: .9rem 1rem;
    flex-wrap: wrap;
    gap: .6rem;
  }
  .page-title { font-size: .95rem; }

  /* ── 内容区 ── */
  .page-content { padding: 1rem; }

  /* ── 统计卡片：2列 ── */
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: .7rem;
    margin-bottom: 1rem;
  }
  .stat-value { font-size: 1.3rem; }

  /* ── 图表行：单列 ── */
  .chart-row { grid-template-columns: 1fr; gap: .8rem; }

  /* ── 内联网格辅助类：移动端单列 ── */
  .grid-2col, .grid-3col {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* ── 筛选栏：竖向堆叠 ── */
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
    padding: .9rem 1rem;
    gap: .7rem;
  }
  .filter-bar .form-group { min-width: 0; width: 100%; }
  .filter-bar > div:last-child { display: flex; gap: .5rem; }
  .filter-bar > div:last-child .btn { flex: 1; justify-content: center; }

  /* ── 表格 ── */
  .data-table th, .data-table td { padding: .55rem .7rem; font-size: .78rem; }

  /* ── 卡片内边距 ── */
  .card { padding: 1rem; }

  /* ── 弹窗：底部弹出 ── */
  .modal-overlay { align-items: flex-end; }
  .modal {
    width: 100%;
    max-width: 100%;
    max-height: 92vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 1.4rem 1.2rem 2rem;
  }

  /* ── 表单网格：单列 ── */
  .form-grid { grid-template-columns: 1fr; gap: .8rem; }

  /* ── 按钮操作区 ── */
  .form-actions { flex-wrap: wrap; gap: .5rem; }
  .form-actions .btn { flex: 1; justify-content: center; min-width: 100px; }

  /* ── 分页 ── */
  .pagination { justify-content: center; gap: .3rem; }
  .page-btn { padding: .3rem .6rem; font-size: .75rem; }

  /* ── 登录页 ── */
  .login-page {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
  }
  /* 登录卡片全屏 */
  .login-card {
    border-radius: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 1.4rem;
    box-shadow: none;
  }

  /* ── section-head ── */
  .section-head { flex-wrap: wrap; gap: .5rem; }

  /* ── 收入/支出表格：隐藏次要列，精简移动端展示 ── */
  .data-table .col-hide-mobile { display: none; }

  /* 操作按钮列：竖向堆叠 */
  .data-table .col-actions { white-space: normal; }
  .data-table .col-actions .btn { display: block; width: 100%; margin-bottom: 3px; text-align: center; }
  .data-table .col-actions .btn:last-child { margin-bottom: 0; }
  .data-table .col-actions form { display: block !important; }

  /* 筛选栏按钮区：保持紧凑，不要 flex:1 撑满 */
  .filter-bar > div:last-child .btn { flex: 0 0 auto; }
}

/* 极小屏（< 380px）*/
@media (max-width: 380px) {
  .stat-grid { grid-template-columns: 1fr; }
  .stat-value { font-size: 1.2rem; }
  .page-content { padding: .8rem; }
}