/* ============================================================
   出租房屋管理系统 — 响应式样式
   三端自适应：手机浏览器 / 电脑浏览器 / 手机APP(PWA)
   主题：深蓝 (#0D2645 / #1B3A6B) + 金色 (#D4AF37)
   桌面端：左侧固定导航 + 顶部栏 + 宽内容区
   ============================================================ */

:root {
  --color-primary: #1B3A6B;
  --color-primary-dark: #0D2645;
  --color-primary-light: #2C5AA0;
  --color-accent: #D4AF37;
  --color-accent-dark: #B8932B;
  --color-bg: #F2F4F8;
  --color-surface: #FFFFFF;
  --color-text: #1F2733;
  --color-text-soft: #5A6678;
  --color-border: #E2E6EE;
  --color-danger: #D9534F;
  --color-success: #2E9E5B;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 4px 16px rgba(13, 38, 69, 0.08);
  --shadow-strong: 0 10px 30px rgba(13, 38, 69, 0.16);
  --header-h: 56px;
  --tabbar-h: 58px;
  --maxw: 480px;
  --sidebar-w: 248px;
  --topbar-h: 60px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.6;
}

a { color: var(--color-primary); text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- 布局容器 ---------- */
#app { min-height: 100vh; }
.sidebar { display: none; }
.main { min-height: 100vh; display: flex; flex-direction: column; }

/* 顶部导航栏（移动端） */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 12px;
  box-shadow: var(--shadow);
}
.app-header .back {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
  border-radius: 8px;
  margin-left: -8px;
}
.app-header .back:active { background: rgba(255,255,255,0.15); }
.app-header .title {
  flex: 1;
  text-align: center;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.app-header .action {
  min-width: 40px;
  text-align: right;
  color: var(--color-accent);
  font-size: 14px;
  cursor: pointer;
  padding: 6px 4px;
}
.app-header .action:active { opacity: 0.7; }

/* 顶部栏右侧用户区（桌面端显示） */
.topbar-user { display: none; align-items: center; gap: 14px; margin-left: auto; }
.tu-name { font-size: 14px; color: var(--color-text-soft); }
.tu-name b { color: var(--color-text); font-weight: 600; }
.tu-logout {
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-primary);
  padding: 7px 16px;
  border-radius: 9px;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
}

/* 内容区 */
.app-body {
  flex: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 14px calc(var(--tabbar-h) + 20px);
}
.app-body.no-tabbar { padding-bottom: 20px; }

/* 底部标签栏（移动端） */
.tabbar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--maxw);
  height: var(--tabbar-h);
  background: #fff;
  border-top: 1px solid var(--color-border);
  display: flex;
  z-index: 50;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.05);
}
.tabbar a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-soft);
  font-size: 11px;
  gap: 3px;
}
.tabbar a .ic { font-size: 21px; line-height: 1; }
.tabbar a.active { color: var(--color-primary); font-weight: 600; }
.tabbar a.active .ic { color: var(--color-accent); }

/* ---------- 侧边导航（桌面端） ---------- */
.sidebar {
  flex-direction: column;
  background: linear-gradient(180deg, var(--color-primary-dark) 0%, #122b52 100%);
  color: #fff;
}
.side-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.side-brand .logo {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  flex-shrink: 0;
}
.side-brand .logo svg { width: 27px; height: 27px; }
.side-brand .b1 { font-size: 16px; font-weight: 700; letter-spacing: .5px; }
.side-brand .b2 { font-size: 12px; opacity: .7; margin-top: 2px; }
.side-nav { flex: 1; padding: 14px 12px; display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  color: rgba(255,255,255,0.78);
  font-size: 14.5px;
  text-decoration: none;
  transition: background .15s, color .15s;
}
.nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-item.active {
  background: linear-gradient(90deg, rgba(212,175,55,0.22), rgba(212,175,55,0.04));
  color: #fff;
  box-shadow: inset 3px 0 0 var(--color-accent);
}
.nav-item .nav-ic { font-size: 18px; width: 22px; text-align: center; }
.side-foot { padding: 14px 16px; border-top: 1px solid rgba(255,255,255,0.08); }
.side-foot .btn-ghost {
  color: #fff; border-color: rgba(255,255,255,0.35);
  background: transparent; width: 100%;
}
.side-foot .btn-ghost:hover { background: rgba(255,255,255,0.12); }

/* ---------- 卡片 ---------- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  margin-bottom: 14px;
  transition: box-shadow .18s, transform .18s;
}
.card h3 {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card h3::before {
  content: "";
  width: 4px;
  height: 16px;
  background: var(--color-accent);
  border-radius: 2px;
}
@media (hover: hover) {
  .card:hover { box-shadow: var(--shadow-strong); transform: translateY(-2px); }
}

/* ---------- 表单 ---------- */
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--color-text-soft);
  margin-bottom: 6px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  background: #fff;
  color: var(--color-text);
  transition: border-color .15s, box-shadow .15s;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27,58,107,0.1);
}
.field textarea { resize: vertical; min-height: 70px; }

/* 表单两列网格（桌面端生效） */
.form-grid { display: grid; grid-template-columns: 1fr; gap: 0; }
.form-grid .field-full { grid-column: 1 / -1; }

/* 验证码行 */
.code-row { display: flex; gap: 10px; }
.code-row input { flex: 1; }
.code-row button {
  white-space: nowrap;
  padding: 0 14px;
  border: 1px solid var(--color-primary);
  background: #fff;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.code-row button:disabled { color: #aaa; border-color: #ddd; }

/* ---------- 按钮 ---------- */
.btn {
  display: block;
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: transform .08s, opacity .15s, box-shadow .15s, filter .15s;
}
.btn:active { transform: scale(0.99); opacity: 0.92; }
@media (hover: hover) {
  .btn:hover { filter: brightness(1.04); }
  .btn-primary:hover { box-shadow: 0 6px 18px rgba(27,58,107,0.28); }
  .btn-gold:hover { box-shadow: 0 6px 18px rgba(212,175,55,0.32); }
  .btn-ghost:hover { background: rgba(27,58,107,0.04); }
  .btn-danger:hover { background: rgba(217,83,79,0.06); }
}
.btn-primary { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); color: #fff; }
.btn-gold { background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)); color: #1a1a1a; }
.btn-ghost { background: #fff; color: var(--color-primary); border: 1px solid var(--color-primary); }
.btn-danger { background: #fff; color: var(--color-danger); border: 1px solid var(--color-danger); }
.btn-block + .btn-block { margin-top: 12px; }
.btn-sm { display: inline-block; width: auto; padding: 8px 16px; font-size: 14px; }

/* ---------- 列表 ---------- */
.list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .15s;
}
@media (hover: hover) {
  .list-item:hover { background: #f6f9fd; border-color: var(--color-primary-light); transform: translateY(-1px); }
}
.list-item:active { background: #f0f4fa; }
.list-item .li-main { flex: 1; min-width: 0; }
.list-item .li-title { font-weight: 600; font-size: 15px; }
.list-item .li-sub { font-size: 12px; color: var(--color-text-soft); margin-top: 2px; }
.list-item .li-arrow { color: #c4ccd8; font-size: 18px; }
.list-item .li-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: #eef2f8;
  color: var(--color-text-soft);
}
.list-item .li-badge.active { background: rgba(46,158,91,0.12); color: var(--color-success); }
.list-item .li-badge.moved { background: rgba(217,83,79,0.12); color: var(--color-danger); }

/* ---------- 统计卡 ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.stat {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  border-radius: var(--radius);
  padding: 18px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat .num { font-size: 30px; font-weight: 700; line-height: 1; }
.stat .num.gold { color: var(--color-accent); }
.stat .lbl { font-size: 13px; opacity: 0.85; }
.stat .stat-ic { position: absolute; right: 14px; top: 12px; font-size: 26px; opacity: 0.22; }

/* ---------- 欢迎横幅（看板） ---------- */
.welcome {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
  color: #fff;
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.welcome .w-title { font-size: 20px; font-weight: 700; letter-spacing: .5px; }
.welcome .w-sub { font-size: 13px; opacity: 0.85; margin-top: 6px; }
.welcome .w-date { font-size: 13px; opacity: 0.8; text-align: right; white-space: nowrap; }

/* ---------- 乡镇柱状图 ---------- */
.bars { margin-top: 4px; }
.bar-row { display: flex; align-items: center; gap: 12px; margin: 12px 0; }
.bar-label {
  width: 78px; flex-shrink: 0;
  font-size: 13px; color: var(--color-text-soft);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.bar-track { flex: 1; height: 14px; background: #eef2f8; border-radius: 8px; overflow: hidden; }
.bar-fill {
  height: 100%; border-radius: 8px;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
  transition: width .6s ease;
}
.bar-val { width: 130px; flex-shrink: 0; text-align: right; font-size: 12px; color: var(--color-text-soft); }

/* ---------- 空状态 ---------- */
.empty {
  text-align: center;
  color: var(--color-text-soft);
  padding: 40px 20px;
}
.empty .em-ic { font-size: 48px; opacity: 0.4; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  background: rgba(20,28,40,0.9);
  color: #fff;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 14px;
  z-index: 999;
  max-width: 80%;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
}
.toast.show { opacity: 1; }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal {
  background: #fff;
  border-radius: var(--radius);
  width: 100%;
  max-width: 420px;
  padding: 20px;
}
.modal h3 { margin: 0 0 14px; color: var(--color-primary); }
.modal .modal-actions { display: flex; gap: 10px; margin-top: 16px; }
.modal .modal-actions .btn { margin: 0; }

/* ---------- 登录/注册页（无头无底栏） ---------- */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px 24px;
  background: linear-gradient(160deg, var(--color-primary-dark), var(--color-primary) 60%, var(--color-primary-light));
}
.auth-logo {
  width: 84px; height: 84px;
  border-radius: 20px;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-strong);
  margin-bottom: 16px;
}
.auth-logo svg { width: 52px; height: 52px; }
.auth-title { color: #fff; font-size: 22px; font-weight: 700; letter-spacing: 2px; margin-bottom: 4px; }
.auth-sub { color: rgba(255,255,255,0.8); font-size: 13px; margin-bottom: 26px; }
.auth-card {
  width: 100%;
  max-width: 380px;
  background: #fff;
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow-strong);
}
.auth-foot { margin-top: 16px; text-align: center; font-size: 13px; color: rgba(255,255,255,0.85); }
.auth-foot a { color: var(--color-accent); font-weight: 600; }

/* ---------- 顶部横幅（移动端 hero） ---------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
}
.hero .h-name { font-size: 18px; font-weight: 700; }
.hero .h-sub { font-size: 12px; opacity: 0.8; margin-top: 4px; }

/* ---------- 信息行 ---------- */
.info-row {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}
.info-row:last-child { border-bottom: none; }
.info-row .k { color: var(--color-text-soft); }
.info-row .v { font-weight: 500; text-align: right; max-width: 65%; word-break: break-all; }

/* ---------- 性别选择 ---------- */
.seg { display: flex; gap: 10px; }
.seg label {
  flex: 1;
  text-align: center;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
}
.seg input { display: none; }
.seg input:checked + span { color: var(--color-primary); font-weight: 600; }
.seg label:has(input:checked) { border-color: var(--color-primary); background: rgba(27,58,107,0.05); }

/* ============================================================
   响应式断点
   ============================================================ */

/* 平板：更宽容器 + 两列卡片 */
@media (min-width: 768px) {
  :root { --maxw: 720px; }
  .app-body { padding: 20px 18px calc(var(--tabbar-h) + 24px); }
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
  .house-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .house-grid .list-item { margin-bottom: 0; }
  .card { padding: 20px; }
  .form-grid { grid-template-columns: 1fr 1fr; column-gap: 16px; }
}

/* 桌面：侧边导航 + 顶栏 + 宽内容区 + 多列 */
@media (min-width: 1024px) {
  #app { display: flex; flex-direction: row; align-items: stretch; }
  .sidebar { display: flex; position: fixed; top: 0; left: 0; bottom: 0; width: var(--sidebar-w); z-index: 60; }
  #app.authed .sidebar { display: flex; }
  #app:not(.authed) .sidebar { display: none; }
  #app:not(.authed) .main { margin-left: 0; }
  .main { margin-left: var(--sidebar-w); flex: 1; min-width: 0; }

  /* 顶栏（覆盖移动端 header 样式） */
  .app-header {
    position: sticky; top: 0;
    height: var(--topbar-h);
    background: #fff; color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 2px rgba(13,38,69,0.05);
    padding: 0 24px;
  }
  .app-header .back { display: none; }
  .app-header .action { display: none; }
  .app-header .title { text-align: left; font-size: 18px; letter-spacing: .5px; }
  .topbar-user { display: flex; }
  .tu-logout:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

  /* 内容区 */
  .app-body { max-width: 1200px; width: 100%; margin: 0 auto; padding: 28px 32px 48px; }
  .tabbar { display: none !important; }

  .stat-grid { grid-template-columns: repeat(4, 1fr); }
  .house-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .admin-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .auth-wrap { max-width: none; }
  .auth-card { max-width: 440px; }
}