/* ===== YCPos 库存系统 - 样式表 ===== */
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

:root {
  --green: #1D9E75; --green-light: #E1F5EE; --green-dark: #085041;
  --amber: #BA7517; --amber-light: #FAEEDA;
  --red: #E24B4A; --red-light: #FCEBEB;
  --blue: #185FA5; --blue-light: #E6F1FB;
  --bg: #F5F5F5; --surface: #FFFFFF;
  --text: #1A1A1A; --text2: #666666; --border: #E0E0E0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111; --surface: #1E1E1E; --text: #F0F0F0;
    --text2: #999; --border: #333; --green-light: #0a3d2a;
    --green-dark: #5DCAA5; --amber-light: #3d2a00;
    --red-light: #3d0a0a; --blue-light: #0a1a3d;
  }
}

html, body {
  height: 100%;
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===== App 容器 ===== */
.app {
  max-width: 500px;
  margin: 0 auto;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

/* ===== 顶部栏 ===== */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: max(12px, env(safe-area-inset-top));
}

.header-title { font-size: 18px; font-weight: 600; color: var(--text); }
.header-sub { font-size: 11px; color: var(--text2); margin-top: 1px; }
.sync-btn {
  background: var(--green-light); color: var(--green-dark);
  border: none; border-radius: 99px; font-size: 12px;
  padding: 5px 12px; cursor: pointer; font-weight: 500;
}
.sync-btn:active { opacity: 0.7; }
.sync-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== 内容区域 ===== */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 12px 12px 80px;
  -webkit-overflow-scrolling: touch;
}

.page { display: none; }
.page.active { display: block; }

/* ===== 底部导航 ===== */
.nav {
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  padding-bottom: env(safe-area-inset-bottom);
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 500px;
  z-index: 10;
}

.nav-btn {
  flex: 1;
  padding: 10px 4px 10px;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--text2);
  font-size: 10px;
}
.nav-btn.active { color: var(--green); }
.nav-icon { font-size: 22px; }

/* ===== 通用组件 ===== */
.section-title {
  font-size: 11px; font-weight: 600;
  color: var(--text2); text-transform: uppercase;
  letter-spacing: 0.06em; margin: 14px 0 8px;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.stat-card {
  background: var(--surface);
  border-radius: 12px;
  padding: 14px;
  border: 1px solid var(--border);
}
.stat-label { font-size: 11px; color: var(--text2); margin-bottom: 6px; }
.stat-value { font-size: 22px; font-weight: 600; color: var(--text); }
.stat-unit { font-size: 12px; color: var(--text2); font-weight: 400; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 14px;
  margin-bottom: 8px;
}
.card:last-child { margin-bottom: 0; }

.row-flex { display: flex; justify-content: space-between; align-items: center; }
.row-title { font-size: 14px; font-weight: 500; color: var(--text); }
.row-sub { font-size: 12px; color: var(--text2); margin-top: 3px; }
.stock-num { font-size: 18px; font-weight: 600; color: var(--green); }
.stock-unit { font-size: 11px; color: var(--text2); text-align: right; }

.badge {
  display: inline-block;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 99px;
  font-weight: 600;
}
.bg { background: var(--green-light); color: var(--green-dark); }
.ba { background: var(--amber-light); color: var(--amber); }
.br { background: var(--red-light); color: var(--red); }

.mono { font-family: 'SF Mono', monospace; font-size: 11px; color: var(--text2); }

.search-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.search-wrap input {
  background: none;
  border: none;
  font-size: 14px;
  color: var(--text);
  flex: 1;
  outline: none;
}

.empty {
  text-align: center;
  padding: 40px;
  color: var(--text2);
  font-size: 14px;
}

.loading {
  text-align: center;
  padding: 40px;
  color: var(--text2);
  font-size: 14px;
}

.toast {
  position: fixed;
  bottom: 96px;
  left: 50%;
  transform: translateX(-50%);
  background: #222;
  color: white;
  padding: 10px 22px;
  border-radius: 14px;
  font-size: 13px;
  font-weight: 500;
  z-index: 99;
  display: none;
  white-space: normal;
  max-width: 90%;
  text-align: center;
  line-height: 1.45;
  transition: opacity 0.3s ease;
}
.toast.ok { background: var(--green); }
.toast.err { background: var(--red); }

/* ===== FAB 按钮 ===== */
.fab {
  position: fixed;
  bottom: 72px;
  right: 20px;
  background: var(--green);
  color: white;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: none;
  font-size: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9;
  box-shadow: 0 3px 12px rgba(29,158,117,0.4);
  transition: transform 0.15s ease;
}
.fab:active { transform: scale(0.93); }

/* ===== Modal ===== */
.modal-bg {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 20;
  align-items: flex-end;
  justify-content: center;
}
.modal-bg.open { display: flex; }

.modal {
  background: var(--surface);
  border-radius: 20px 20px 0 0;
  padding: 16px 16px calc(20px + env(safe-area-inset-bottom));
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-handle {
  width: 36px;
  height: 4px;
  background: var(--border);
  border-radius: 99px;
  margin: 0 auto 16px;
}
.modal-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.form-group { margin-bottom: 13px; }
.form-label {
  font-size: 12px;
  color: var(--text2);
  margin-bottom: 5px;
  display: block;
  font-weight: 500;
}

select, input[type=number], input[type=text] {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease;
}
select:focus, input:focus { border-color: var(--green); }

.btn-primary {
  background: var(--green);
  color: white;
  border: none;
  padding: 13px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  width: 100%;
  cursor: pointer;
  transition: opacity 0.2s ease;
}
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary:active { opacity: 0.85; }

.btn-secondary {
  background: var(--green-light);
  color: var(--green-dark);
  border: 1px solid rgba(32, 168, 118, 0.2);
  padding: 11px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  width: 100%;
  cursor: pointer;
  margin-bottom: 10px;
}

.btn-secondary.inline {
  margin-bottom: 0;
  width: auto;
  white-space: nowrap;
}

.filter-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 8px;
  margin-bottom: 12px;
}

.summary-block {
  margin-bottom: 16px;
}

.summary-list {
  display: grid;
  gap: 7px;
  margin-top: 10px;
}

.summary-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--text);
}

.print-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.print-btn {
  flex: 1;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text2);
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  padding: 8px;
}

.btn-cancel {
  background: none;
  border: 1px solid var(--border);
  padding: 11px;
  border-radius: 12px;
  font-size: 14px;
  width: 100%;
  cursor: pointer;
  color: var(--text2);
  margin-top: 8px;
}

/* ===== Chip / 状态标签 ===== */
.chip {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 99px;
  font-weight: 600;
}
.chip-p { background: var(--amber-light); color: var(--amber); }
.chip-d { background: var(--green-light); color: var(--green-dark); }
.chip-c { background: var(--red-light); color: var(--red); }

.order-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
}

.order-btn {
  flex: 1;
  padding: 7px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s ease;
}
.order-btn-done { border: 1px solid var(--green); color: var(--green); background: none; }
.order-btn-cancel { border: 1px solid var(--red); color: var(--red); background: none; }
.order-btn:active { opacity: 0.7; }

.order-line-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.order-draft-list {
  margin-bottom: 10px;
}

.order-draft-row,
.order-line-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 10px;
  margin-bottom: 7px;
}

.order-line-row {
  background: transparent;
}

.order-draft-title,
.order-line-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.order-draft-sub,
.order-line-sub {
  font-size: 12px;
  color: var(--text2);
  margin-top: 2px;
}

.order-remove {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--red);
  color: var(--red);
  background: none;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}

.empty.small {
  font-size: 12px;
  padding: 10px;
}

@media (max-width: 520px) {
  .filter-row {
    grid-template-columns: 1fr;
  }

  .order-line-inputs {
    grid-template-columns: 1fr;
  }
}

/* ===== 加工 / 损耗 ===== */
.grade-map {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.grade-pill {
  display: inline-flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text2);
  font-size: 11px;
  padding: 4px 8px;
}

.mini-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.mini-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.calc-box {
  background: var(--green-light);
  color: var(--green-dark);
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.4;
  margin: 4px 0 13px;
  padding: 10px 12px;
}

/* ===== 骨架屏加载占位 ===== */
.skeleton {
  background: linear-gradient(90deg, var(--border) 25%, var(--bg) 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  height: 64px;
  margin-bottom: 8px;
}

/* ===== 顶栏链接按钮 ===== */
.link-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px 7px;
  font-size: 12px;
  cursor: pointer;
  color: var(--text2);
  line-height: 1.6;
}
.link-btn:active { opacity: 0.6; }
.link-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== 删除按钮 ===== */
.del-btn {
  background: var(--red-light);
  color: var(--red);
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.15s;
  flex-shrink: 0;
}
.del-btn:active { opacity: 0.6; }
.del-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.del-btn.sm { width: 22px; height: 22px; font-size: 10px; border-radius: 6px; }

/* ===== 登录页面 ===== */
#page-login {
  display: none;
  height: 100vh;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
#page-login.active { display: flex; }

.login-wrap {
  width: 100%;
  max-width: 360px;
  padding: 24px;
}

.login-box {
  background: var(--surface);
  border-radius: 20px;
  padding: 32px 24px;
  border: 1px solid var(--border);
}

.login-logo {
  font-size: 56px;
  text-align: center;
  margin-bottom: 8px;
}

.login-title {
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  color: var(--text);
  margin-bottom: 4px;
}

.login-sub {
  font-size: 13px;
  text-align: center;
  color: var(--text2);
  margin-bottom: 24px;
}

/* ===== 审计日志样式 ===== */
.audit-row {
  padding: 12px 14px !important;
}
.chip-mini {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}
.mono {
  font-family: 'SFMono-Regular', Consolas, monospace;
  letter-spacing: -0.3px;
}