/* ===== 樱花树下进销存 - 主样式 ===== */

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

:root {
  --pink-50:  #fff5f7;
  --pink-100: #ffe3ea;
  --pink-200: #ffc4d2;
  --pink-300: #ff9bb5;
  --pink-400: #ff6f95;
  --pink-500: #e84a78;
  --pink-600: #c3335f;

  --ink-900: #2a1a1f;
  --ink-700: #4a3340;
  --ink-500: #7a5d6b;
  --ink-300: #b8a4ad;

  --green-500: #3f9b6f;
  --green-100: #e3f5ec;
  --amber-500: #d4931a;
  --amber-100: #fff4dc;
  --red-500:   #d63b3b;
  --red-100:   #fde8e8;

  --bg: #faf6f4;
  --surface: #ffffff;
  --border: #ead9d9;
  --shadow: 0 2px 12px rgba(232, 74, 120, 0.08);
  --shadow-lg: 0 8px 32px rgba(232, 74, 120, 0.12);

  --radius: 12px;
  --radius-sm: 8px;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
               "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--ink-900);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; }

/* ====== 布局 ====== */
.app {
  display: grid;
  grid-template-columns: 220px 1fr;
  height: 100vh;
  height: 100dvh; /* iOS Safari 动态工具栏 */
  overflow: hidden;
}

/* ====== 侧边栏 ====== */
.sidebar {
  background: linear-gradient(180deg, #fff5f7 0%, #ffe3ea 100%);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}

.brand {
  padding: 0 20px 20px;
  border-bottom: 1px dashed var(--pink-200);
  margin-bottom: 12px;
}
.brand-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--pink-600);
  letter-spacing: 1px;
}
.brand-sub {
  font-size: 12px;
  color: var(--ink-500);
  margin-top: 4px;
}
.brand-blossom::before {
  content: "🌸";
  margin-right: 6px;
}

.nav { flex: 1; overflow-y: auto; padding: 0 12px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: var(--ink-700);
  font-size: 14px;
  cursor: pointer;
  transition: background .15s, color .15s;
  user-select: none;
  margin-bottom: 2px;
}
.nav-item:hover { background: rgba(255, 195, 210, 0.4); }
.nav-item.active {
  background: var(--pink-500);
  color: #fff;
  box-shadow: 0 4px 12px rgba(232, 74, 120, 0.25);
}
.nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 12px 20px;
  font-size: 11px;
  color: var(--ink-500);
  border-top: 1px dashed var(--pink-200);
}

/* ====== 主区域 ====== */
.main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  height: 60px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 16px;
  flex-shrink: 0;
}
.page-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-900);
}
.page-title small {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-500);
  margin-top: 2px;
}
.topbar-spacer { flex: 1; }
.topbar-date {
  font-size: 13px;
  color: var(--ink-500);
  display: flex;
  align-items: center;
  gap: 6px;
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
}

/* ====== 顶栏 Logo ====== */
.topbar-logo {
  height: 38px;
  width: auto;
  max-width: 130px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  margin-left: 14px;
  flex-shrink: 0;
}

/* ====== 卡片 ====== */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 18px;
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-900);
}
.card-title .dot {
  width: 6px;
  height: 16px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--pink-400), var(--pink-500));
}

/* ====== KPI 卡片 ====== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}
.kpi {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--pink-400);
}
.kpi.k-green::before { background: var(--green-500); }
.kpi.k-amber::before { background: var(--amber-500); }
.kpi.k-red::before { background: var(--red-500); }

.kpi-label {
  font-size: 12px;
  color: var(--ink-500);
  margin-bottom: 8px;
}
.kpi-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}
.kpi-value .unit { font-size: 13px; color: var(--ink-500); margin-left: 4px; font-weight: 400; }
.kpi-sub {
  font-size: 12px;
  color: var(--ink-500);
  margin-top: 6px;
}

/* ====== 表格 ====== */
.table-wrap {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  overflow-x: auto;          /* 手机上表格横向滑动 */
  -webkit-overflow-scrolling: touch;
}
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.data th, table.data td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid #f4e8eb;
}
table.data thead th {
  background: var(--pink-50);
  color: var(--ink-700);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  z-index: 1;
}
table.data tbody tr:hover { background: var(--pink-50); }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; }

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}
.tag-shelf {
  background: var(--pink-100);
  color: var(--pink-600);
}
.tag-low  { background: var(--red-100); color: var(--red-500); }
.tag-ok   { background: var(--green-100); color: var(--green-500); }
.tag-warn { background: var(--amber-100); color: var(--amber-500); }

/* ====== 按钮 ====== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 13px;
  font-weight: 500;
  transition: all .15s;
}
.btn-primary {
  background: var(--pink-500);
  color: #fff;
  box-shadow: 0 2px 8px rgba(232, 74, 120, 0.25);
}
.btn-primary:hover { background: var(--pink-600); }
.btn-ghost {
  background: var(--surface);
  color: var(--ink-700);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--pink-50); border-color: var(--pink-300); }
.btn-danger {
  background: var(--red-100);
  color: var(--red-500);
}
.btn-danger:hover { background: var(--red-500); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ====== 工具栏 ====== */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.toolbar input.search,
.toolbar input.text,
.toolbar select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  outline: none;
  transition: border-color .15s;
}
.toolbar input.search { min-width: 260px; }
.toolbar input.search:focus,
.toolbar input.text:focus,
.toolbar select:focus {
  border-color: var(--pink-400);
}
.toolbar-spacer { flex: 1; }

/* ====== 表单 ====== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 18px;
}
.form-grid.cols-1 { grid-template-columns: 1fr; }
.field label {
  display: block;
  font-size: 12px;
  color: var(--ink-500);
  margin-bottom: 6px;
  font-weight: 500;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  outline: none;
  transition: border-color .15s;
}
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--pink-400); }

/* ====== 销售日期行：日期框 + 今天/昨天/前天 快捷按钮对齐 ====== */
.date-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}
.date-row #sale-date {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
}
.date-row .date-quick {
  display: flex;
  gap: 6px;
  flex: 0 0 auto;
}
.date-row .date-quick .btn {
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 12px;
}

/* ====== 自动补全 ====== */
.autocomplete { position: relative; }
.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 280px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  margin-top: 4px;
  display: none;
}
.autocomplete-list.show { display: block; }
.autocomplete-item {
  padding: 9px 12px;
  cursor: pointer;
  border-bottom: 1px solid #f6e9ed;
}
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:hover,
.autocomplete-item.active {
  background: var(--pink-50);
}
.autocomplete-item .a-name { font-weight: 500; color: var(--ink-900); }
.autocomplete-item .a-meta { font-size: 11px; color: var(--ink-500); margin-top: 2px; }

/* ====== 模态框 ====== */
.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(42, 26, 31, 0.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-mask.show { display: flex; }
.modal {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: min(560px, 92vw);
  max-height: 86vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-size: 16px; font-weight: 600; }
.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--ink-500);
  cursor: pointer;
  line-height: 1;
}
.modal-body { padding: 20px; overflow-y: auto; }
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ====== Toast ====== */
.toast-wrap {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--ink-900);
  color: #fff;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  animation: slide-in .25s ease-out;
}
.toast.t-ok { background: var(--green-500); }
.toast.t-err { background: var(--red-500); }
@keyframes slide-in {
  from { transform: translateX(20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ====== 仪表盘图表 ====== */
.chart-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
}
.chart-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.chart-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--ink-700);
}
.bar-chart { display: flex; flex-direction: column; gap: 10px; }
.bar-row {
  display: grid;
  grid-template-columns: 60px 1fr 60px;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}
.bar-track {
  height: 18px;
  background: var(--pink-50);
  border-radius: 9px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--pink-300), var(--pink-500));
  border-radius: 9px;
  transition: width .3s ease;
}
.bar-label { color: var(--ink-700); font-weight: 600; }
.bar-value { text-align: right; color: var(--ink-500); font-variant-numeric: tabular-nums; }

.line-chart {
  height: 200px;
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding: 0 4px;
}
.line-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--pink-300), var(--pink-500));
  border-radius: 4px 4px 0 0;
  position: relative;
  min-height: 4px;
  transition: opacity .2s;
}
.line-bar:hover { opacity: 0.8; }
.line-bar::after {
  content: attr(data-val);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--ink-700);
  white-space: nowrap;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}
.line-labels {
  display: flex;
  gap: 6px;
  padding: 8px 4px 0;
  border-top: 1px dashed var(--border);
  margin-top: 8px;
}
.line-labels span {
  flex: 1;
  text-align: center;
  font-size: 11px;
  color: var(--ink-500);
}

/* ====== 空状态 ====== */
.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--ink-500);
}
.empty-icon { font-size: 36px; margin-bottom: 8px; opacity: 0.6; }

/* ====== 响应式 ====== */
@media (max-width: 1024px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .chart-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

/* ====== 平板/大屏手机 ====== */
@media (max-width: 720px) {
  /* 布局改为：主内容在上，底部导航在下 */
  .app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
  }
  .main { flex: 1; min-height: 0; order: 0; }

  /* 侧边栏 → 底部导航栏 */
  .sidebar {
    order: 1;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px));
    border-right: none;
    border-top: 1px solid var(--border);
    background: var(--surface);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-shrink: 0;
  }
  .brand { display: none; }
  .nav {
    display: flex;
    gap: 2px;
    padding: 0;
    flex: 1;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav-item {
    flex-direction: column;
    gap: 2px;
    padding: 5px 10px;
    font-size: 11px;
    white-space: nowrap;
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .nav-item.active {
    background: var(--pink-100);
    color: var(--pink-600);
    box-shadow: none;
  }
  .nav-icon { font-size: 18px; width: auto; }
  .sidebar-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 0 4px 0 8px;
    border-top: none;
    font-size: 10px;
    flex-shrink: 0;
  }
  #mode-badge { font-size: 10px !important; margin-bottom: 0 !important; }
  .sidebar-footer #user-badge { display: none !important; }
  .sidebar-footer #logout-link { font-size: 10px; padding: 2px 4px; }

  /* 顶栏与内容 */
  .topbar { padding: 0 14px; height: 52px; }
  .page-title { font-size: 16px; }
  .topbar-date { display: none; }
  .content { padding: 12px 12px 20px; }
  .topbar-logo { height: 32px; max-width: 110px; margin-left: 10px; }

  /* KPI 卡片 */
  .kpi-grid { gap: 8px; margin-bottom: 12px; }
  .kpi { padding: 12px 12px 12px 16px; }
  .kpi-value { font-size: 19px; }

  /* 卡片 */
  .card { padding: 14px; margin-bottom: 12px; }
  .chart-card { padding: 14px; }
  .line-chart { height: 140px; }

  /* 工具栏：搜索框占满一行 */
  .toolbar { gap: 8px; }
  .toolbar input.search { min-width: 0; width: 100%; flex: 1 1 100%; order: -1; }
  .toolbar .btn { flex: 1; justify-content: center; }
  .toolbar select { flex: 1; }

  /* 表格：字号稍小，留出滑动空间 */
  table.data { font-size: 12px; }
  table.data th, table.data td { padding: 8px 8px; }

  /* 表单输入：16px 防止 iOS 聚焦自动放大 */
  input, select, textarea { font-size: 16px !important; }
  .field input, .field select, .field textarea { padding: 10px 12px; }

  /* 模态框基本全屏 */
  .modal { width: 100%; max-height: 88dvh; border-radius: var(--radius) var(--radius) 0 0; margin: 0; }
  .modal-mask { align-items: flex-end; }
  .modal-body { max-height: 62dvh; }
  .modal-footer { padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px)); }

  /* 自动补全列表 */
  .autocomplete-list { max-height: 220px; }

  /* Toast 居中顶部，避免被刘海遮挡 */
  .toast-wrap {
    top: calc(10px + env(safe-area-inset-top, 0px));
    right: 12px;
    left: 12px;
  }

  /* 登录卡片 */
  #login-screen { padding: 16px; }
}

/* ====== 超小屏 (iPhone SE) ====== */
@media (max-width: 380px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .kpi-value { font-size: 17px; }
  .nav-item { padding: 5px 7px; font-size: 10px; }
}

/* ====== 横屏 ====== */
@media (max-width: 920px) and (orientation: landscape) {
  .app { grid-template-columns: 180px 1fr; display: grid; }
  .sidebar { flex-direction: column; padding: 12px 0; border-right: 1px solid var(--border); border-top: none; }
  .brand { display: block; padding: 0 16px 12px; }
  .sidebar-footer { display: block; padding: 10px 16px; }
  .nav { flex-direction: column; }
  .nav-item { flex-direction: row; }
}