:root {
  --bg: #f5f7f8;
  --panel: #ffffff;
  --ink: #162027;
  --muted: #6a767f;
  --line: #dfe6ea;
  --accent: #0f8b8d;
  --accent-2: #db6b2f;
  --good: #287d4f;
  --shadow: 0 16px 40px rgba(23, 35, 45, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 28px 22px;
  border-right: 1px solid var(--line);
  background: #eef3f4;
}

.brand p,
.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand h1,
.detail h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.search-box,
.filters label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.cloud-panel {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 12px;
}

.cloud-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.cloud-head strong {
  color: var(--accent);
}

.cloud-login {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.cloud-login[hidden],
.cloud-signout[hidden] {
  display: none !important;
}

.cloud-login input,
.cloud-login button,
.cloud-signout {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 10px;
}

.cloud-login button,
.cloud-signout {
  border-color: var(--accent);
  background: #e8f6f4;
  color: var(--accent);
  font-weight: 800;
  cursor: pointer;
}

.search-box input,
.filters input,
.filters select,
.slider-line input[type="number"],
.scenario-head input,
.scenario-fields input,
.scenario-material select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 12px;
  outline: none;
}

.search-box input:focus,
.filters input:focus,
.filters select:focus,
.slider-line input:focus,
.scenario-head input:focus,
.scenario-fields input:focus,
.scenario-material select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 139, 141, 0.14);
}

.filters {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}

.list-header button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 7px 12px;
  cursor: pointer;
}

.product-list {
  display: grid;
  gap: 10px;
  overflow: auto;
  padding-right: 4px;
}

.product-button {
  display: grid;
  gap: 7px;
  width: 100%;
  border: 1px solid transparent;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 14px;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(30, 45, 55, 0.05);
}

.product-button.active {
  border-color: var(--accent);
  background: #e8f6f4;
}

.product-main {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-weight: 800;
}

.product-sub {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.detail {
  display: grid;
  gap: 20px;
  align-content: start;
  padding: 30px;
}

.actual-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 18px;
}

.detail-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
}

.muted {
  margin: 8px 0 0;
  color: var(--muted);
}

.quote-box {
  min-width: 190px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  padding: 16px 18px;
  text-align: right;
}

.quote-box span,
.metrics span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.quote-box span {
  color: #b7c3c9;
}

.quote-box strong {
  display: block;
  margin-top: 5px;
  font-size: 28px;
}

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

.metrics div,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.metrics div {
  padding: 16px;
}

.metrics strong {
  display: block;
  margin-top: 7px;
  font-size: 22px;
}

.panel {
  padding: 18px;
}

.panel-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.panel-title h3 {
  margin: 0;
  font-size: 18px;
}

.material-title-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.db-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid rgba(15, 139, 141, 0.35);
  border-radius: 999px;
  background: #e8f6f4;
  color: var(--accent);
  padding: 0 10px;
  font-size: 12px;
  font-weight: 800;
}

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

.slider-line {
  display: grid;
  grid-template-columns: 1fr 96px;
  gap: 14px;
  align-items: center;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  margin: 0;
  -webkit-appearance: none;
}

input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

.scenario-head {
  display: grid;
  grid-template-columns: 1.1fr 0.7fr 0.8fr 0.5fr auto;
  gap: 12px;
  align-items: end;
}

.scenario-head label,
.scenario-fields label,
.scenario-material {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.scenario-head button {
  min-height: 42px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: #e8f6f4;
  color: var(--accent);
  padding: 0 14px;
  font-weight: 800;
  cursor: pointer;
}

.scenario-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.scenario-actions button {
  min-height: 38px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: #e8f6f4;
  color: var(--accent);
  padding: 0 12px;
  font-weight: 800;
  cursor: pointer;
}

.scenario-actions button:last-child {
  border-color: var(--accent-2);
  background: #fff4ee;
  color: var(--accent-2);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.scenario-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfc;
  padding: 10px;
}

.scenario-card-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.scenario-card-title span {
  color: var(--accent-2);
  font-weight: 800;
}

.scenario-material {
  margin-bottom: 8px;
}

.scenario-material select {
  background: #fff;
  cursor: pointer;
}

.scenario-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.scenario-fields input {
  min-height: 34px;
}

.scenario-fields input[readonly] {
  background: #eef3f4;
  color: var(--muted);
}

.toggle-field {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 0 10px;
  display: flex !important;
  grid-template-columns: none !important;
  align-items: center;
  justify-content: space-between;
}

.toggle-field input {
  width: 20px;
  min-height: 20px;
  accent-color: var(--accent);
}

.material-toolbar {
  display: grid;
  grid-template-columns: 150px minmax(180px, 1fr) auto auto;
  gap: 10px;
  align-items: center;
}

.material-toolbar select,
.material-toolbar input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 12px;
  outline: none;
}

.material-toolbar button,
.material-card-head button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 12px;
  cursor: pointer;
}

#materialAdd {
  border-color: var(--accent);
  background: #e8f6f4;
  color: var(--accent);
  font-weight: 800;
}

#materialReset,
.material-card-head button {
  color: var(--accent-2);
}

.material-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 12px;
  max-height: 620px;
  overflow: auto;
  padding-right: 4px;
}

.material-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfc;
  padding: 14px;
}

.material-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.material-card-head strong {
  line-height: 1.35;
}

.material-card-head button {
  min-height: 32px;
  flex: 0 0 auto;
}

.material-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.material-fields label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.material-fields input {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 10px;
}

.derived {
  margin: 8px 0 0;
  border-radius: 8px;
  background: #eef3f4;
  color: var(--muted);
  padding: 7px 9px;
  font-size: 13px;
}

.cost-bars {
  display: grid;
  gap: 10px;
}

.bar-row {
  display: grid;
  grid-template-columns: 74px 1fr 92px;
  gap: 12px;
  align-items: center;
  font-size: 13px;
}

.bar-track {
  height: 12px;
  border-radius: 999px;
  background: #edf1f2;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.bar-value {
  color: var(--muted);
  text-align: right;
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  gap: 12px;
}

.part-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fbfcfc;
}

.part-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.part-head strong {
  font-size: 16px;
}

.part-head span {
  color: var(--accent-2);
  font-weight: 800;
}

.field-list {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.field-list div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.field-list b {
  color: var(--ink);
  font-weight: 700;
  text-align: right;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 5;
    max-height: none;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 18px;
  }

  .brand h1 {
    font-size: 24px;
  }

  .search-box,
  .filters {
    max-width: none;
  }

  .product-list {
    display: flex;
    max-height: none;
    overflow-x: auto;
    padding: 0 0 8px;
    scroll-snap-type: x proximity;
  }

  .product-button {
    min-width: 220px;
    scroll-snap-align: start;
  }

  .metrics,
  .parts-grid,
  .scenario-grid {
    grid-template-columns: 1fr 1fr;
  }

  .scenario-head {
    grid-template-columns: 1fr 1fr;
  }

  .material-toolbar,
  .material-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  body {
    background: #fff;
  }

  .app-shell {
    display: block;
  }

  .detail,
  .sidebar {
    padding: 14px 12px;
  }

  .detail {
    gap: 12px;
  }

  .actual-panel,
  .panel {
    border-left: 0;
    border-right: 0;
    border-radius: 0;
    box-shadow: none;
    padding: 14px 12px;
  }

  .sidebar {
    gap: 12px;
  }

  .brand {
    display: none;
  }

  .detail-top,
  .panel-title {
    align-items: stretch;
    flex-direction: column;
  }

  .quote-box {
    width: 100%;
    min-width: 0;
    text-align: left;
  }

  .metrics div {
    padding: 12px;
  }

  .metrics strong,
  .quote-box strong {
    font-size: 24px;
  }

  .scenario-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .scenario-actions button,
  .scenario-head button,
  .material-toolbar button {
    min-height: 46px;
  }

  .scenario-card,
  .material-card,
  .part-card {
    padding: 12px;
  }

  .scenario-fields input,
  .scenario-material select,
  .scenario-head input,
  .material-fields input,
  .material-toolbar select,
  .material-toolbar input {
    min-height: 44px;
    font-size: 16px;
  }

  .bar-row {
    grid-template-columns: 70px 1fr;
    gap: 8px;
  }

  .bar-value {
    grid-column: 2;
    text-align: left;
  }

  .filters,
  .metrics,
  .parts-grid,
  .scenario-grid,
  .scenario-head,
  .scenario-fields,
  .material-toolbar,
  .material-list,
  .material-fields {
    grid-template-columns: 1fr;
  }
}