/* 智能仓储系统 - 统一设计令牌与组件样式 */
:root {
  --color-bg: #f4f7fb;
  --color-surface: #ffffff;
  --color-surface-soft: #f8fafc;
  --color-sidebar: rgba(255, 255, 255, 0.96);
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-soft: #eff6ff;
  --color-accent: #0f766e;
  --color-accent-soft: #ccfbf1;
  --color-success: #16a34a;
  --color-success-soft: #dcfce7;
  --color-warning: #d97706;
  --color-warning-soft: #fef3c7;
  --color-danger: #dc2626;
  --color-danger-soft: #fee2e2;
  --color-info: #0284c7;
  --color-info-soft: #e0f2fe;
  --color-text: #0f172a;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --shadow-card: 0 12px 32px rgba(15, 23, 42, 0.07);
  --shadow-soft: 0 8px 18px rgba(15, 23, 42, 0.05);
  --space-page: 28px;
  --space-card: 20px;
  --sidebar-width: 268px;
  --topbar-height: 76px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--color-bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    radial-gradient(circle at 10% 0%, rgba(37, 99, 235, 0.12), transparent 32%),
    radial-gradient(circle at 90% 12%, rgba(15, 118, 110, 0.12), transparent 28%),
    var(--color-bg);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a,
.btn,
.nav-link,
.action-link {
  cursor: pointer;
}

svg {
  display: inline-block;
  vertical-align: middle;
}

.login-page {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  min-height: 100vh;
}

.login-hero {
  padding: 72px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
  font-size: 22px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.28);
}

.login-hero h1 {
  margin: 58px 0 18px;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.login-hero p {
  max-width: 680px;
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.hero-tile {
  padding: 18px;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.hero-tile strong {
  display: block;
  margin-bottom: 6px;
  font-size: 22px;
}

.hero-tile span {
  color: var(--color-muted);
  font-size: 13px;
}

.login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  background: rgba(255, 255, 255, 0.62);
  border-left: 1px solid rgba(226, 232, 240, 0.86);
  backdrop-filter: blur(18px);
}

.login-card {
  width: min(440px, 100%);
  padding: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.login-card h2 {
  margin: 0 0 8px;
  font-size: 26px;
}

.login-card .muted {
  margin: 0 0 26px;
}

.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-width);
  padding: 22px 18px;
  background: var(--color-sidebar);
  border-right: 1px solid var(--color-border);
  backdrop-filter: blur(18px);
  overflow-y: auto;
  z-index: 40;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 8px 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand small {
  display: block;
  margin-top: 2px;
  color: var(--color-muted);
  font-weight: 500;
  font-size: 12px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-section {
  margin: 20px 10px 8px;
  color: #94a3b8;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: var(--radius-md);
  color: #475569;
  font-weight: 650;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.nav-link:hover {
  background: var(--color-surface-soft);
  color: var(--color-primary);
}

.nav-link.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  box-shadow: inset 3px 0 0 var(--color-primary);
}

.nav-icon {
  width: 19px;
  height: 19px;
  color: currentColor;
}

.main {
  width: 100%;
  margin-left: var(--sidebar-width);
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px var(--space-page);
  background: rgba(244, 247, 251, 0.82);
  border-bottom: 1px solid rgba(226, 232, 240, 0.88);
  backdrop-filter: blur(18px);
}

.page-title h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.02em;
}

.page-title p {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 13px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 13px;
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
}

.content {
  padding: var(--space-page);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--color-muted);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--color-primary);
  font-weight: 650;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.metric-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.card {
  padding: var(--space-card);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.card-title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.card-subtitle,
.muted {
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.6;
}

.metric-card {
  position: relative;
  overflow: hidden;
  padding: 20px;
}

.metric-card::after {
  content: "";
  position: absolute;
  right: -26px;
  top: -30px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--color-primary-soft);
}

.metric-label {
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 650;
}

.metric-value {
  position: relative;
  z-index: 1;
  margin-top: 10px;
  font-size: 30px;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.metric-trend {
  margin-top: 10px;
  color: var(--color-success);
  font-size: 13px;
  font-weight: 700;
}

.metric-trend.warning {
  color: var(--color-warning);
}

.metric-trend.danger {
  color: var(--color-danger);
}

.toolbar {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px;
  margin-bottom: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-field label {
  color: #334155;
  font-size: 13px;
  font-weight: 700;
}

.required::after {
  content: " *";
  color: var(--color-danger);
}

.input,
.select,
.textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--color-text);
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.input,
.select {
  height: 42px;
  padding: 0 12px;
}

.textarea {
  min-height: 96px;
  padding: 12px;
  resize: vertical;
}

.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-weight: 750;
  line-height: 1;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.18);
}

.btn:focus-visible,
.action-link:focus-visible,
.nav-link:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.28);
  outline-offset: 2px;
}

.btn[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-secondary {
  border-color: var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-surface-soft);
  border-color: #cbd5e1;
  color: var(--color-primary);
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--color-primary);
}

.btn-ghost:hover {
  border-color: var(--color-primary-soft);
  background: var(--color-primary-soft);
}

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

.btn-danger:hover {
  background: #b91c1c;
  border-color: #b91c1c;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 780px;
}

th,
td {
  padding: 14px 15px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
  font-size: 14px;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f8fafc;
  color: #475569;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tbody tr:hover {
  background: #f8fbff;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.action-link {
  color: var(--color-primary);
  font-weight: 750;
}

.action-link.danger {
  color: var(--color-danger);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.badge-success {
  background: var(--color-success-soft);
  color: #15803d;
}

.badge-warning {
  background: var(--color-warning-soft);
  color: #b45309;
}

.badge-danger {
  background: var(--color-danger-soft);
  color: #b91c1c;
}

.badge-info {
  background: var(--color-info-soft);
  color: #0369a1;
}

.badge-muted {
  background: #f1f5f9;
  color: #64748b;
}

.pagination,
.form-actions,
.detail-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.summary-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.summary-item {
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}

.summary-item span {
  display: block;
  color: var(--color-muted);
  font-size: 12px;
  margin-bottom: 7px;
}

.summary-item strong {
  font-size: 15px;
}

.timeline {
  position: relative;
  display: grid;
  gap: 14px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  align-items: start;
}

.timeline-dot {
  width: 14px;
  height: 14px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--color-border);
  box-shadow: 0 0 0 4px #f1f5f9;
}

.timeline-item.done .timeline-dot {
  background: var(--color-success);
}

.timeline-item.active .timeline-dot {
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.16);
}

.timeline-content strong {
  display: block;
  margin-bottom: 3px;
}

.stepper {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.step {
  padding: 14px;
  border-radius: var(--radius-md);
  background: #f1f5f9;
  color: var(--color-muted);
  font-weight: 750;
}

.step.done {
  background: var(--color-success-soft);
  color: #15803d;
}

.step.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.kanban {
  display: grid;
  grid-template-columns: repeat(4, minmax(260px, 1fr));
  gap: 16px;
  overflow-x: auto;
}

.kanban-column {
  min-height: 280px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #f8fafc;
}

.kanban-column h3 {
  margin: 0 0 12px;
  font-size: 15px;
}

.task-card {
  padding: 14px;
  margin-bottom: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.task-card strong {
  display: block;
  margin-bottom: 8px;
}

.progress {
  height: 9px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}

.progress > span {
  display: block;
  height: 100%;
  width: var(--value, 50%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  min-height: 220px;
  padding: 16px 8px 0;
  border-bottom: 1px solid var(--color-border);
}

.chart-bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-muted);
  font-size: 12px;
}

.chart-bar i {
  width: 100%;
  max-width: 44px;
  height: var(--height, 80px);
  border-radius: 10px 10px 0 0;
  background: linear-gradient(180deg, var(--color-primary), #93c5fd);
}

.chart-line {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: end;
  gap: 8px;
  min-height: 180px;
}

.line-point {
  position: relative;
  height: var(--height, 80px);
  border-radius: 999px 999px 0 0;
  background: linear-gradient(180deg, var(--color-accent), #99f6e4);
}

.alert {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-warning-soft);
  background: #fffbeb;
  color: #92400e;
  font-size: 14px;
}

.alert-danger {
  border-color: var(--color-danger-soft);
  background: #fef2f2;
  color: #991b1b;
}

.empty {
  padding: 34px;
  text-align: center;
  border: 1px dashed #cbd5e1;
  border-radius: var(--radius-lg);
  background: #f8fafc;
  color: var(--color-muted);
}

.empty strong {
  display: block;
  margin-bottom: 6px;
  color: var(--color-text);
}

.loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-muted);
}

.loading::before {
  content: "";
  width: 14px;
  height: 14px;
  border: 2px solid #cbd5e1;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.toast {
  position: fixed;
  right: 24px;
  top: 24px;
  z-index: 100;
  max-width: 360px;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  background: #0f172a;
  color: #fff;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.22);
  animation: slideIn 0.18s ease;
}

.toast-success {
  background: #15803d;
}

.toast-error {
  background: #b91c1c;
}

.toast-warning {
  background: #b45309;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.38);
}

.modal-backdrop.show {
  display: flex;
}

.modal {
  width: min(520px, 100%);
  padding: 22px;
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.24);
}

.modal h3 {
  margin: 0 0 8px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.tab {
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #fff;
  color: var(--color-muted);
  font-weight: 750;
}

.tab.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-color: #bfdbfe;
}

.permission-grid {
  display: grid;
  grid-template-columns: 180px repeat(4, 1fr);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.permission-grid > div {
  padding: 12px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: #fff;
  font-size: 13px;
}

.permission-grid > div:nth-child(-n+5) {
  background: #f8fafc;
  font-weight: 800;
}

.permission-grid > div:nth-child(5n) {
  border-right: 0;
}

.mobile-menu {
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes slideIn {
  from { transform: translateY(-8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 1180px) {
  .grid-4,
  .grid-3,
  .summary-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }

  body.sidebar-open .sidebar {
    transform: translateX(0);
  }

  .main {
    margin-left: 0;
  }

  .mobile-menu {
    display: inline-flex;
  }

  .login-page {
    grid-template-columns: 1fr;
  }

  .login-panel {
    border-left: 0;
  }
}

@media (max-width: 768px) {
  :root {
    --space-page: 18px;
    --space-card: 16px;
  }

  .grid-4,
  .grid-3,
  .grid-2,
  .summary-list,
  .form-grid,
  .stepper {
    grid-template-columns: 1fr;
  }

  .toolbar {
    align-items: stretch;
  }

  .toolbar .form-field,
  .toolbar .btn {
    width: 100%;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .login-hero,
  .login-panel {
    padding: 28px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .permission-grid {
    grid-template-columns: 1fr;
  }

  .permission-grid > div {
    border-right: 0;
  }
}