:root {
  --accent: #f47b20;
  --accent-dark: #c85f12;
  --bg: #f4f5f7;
  --panel: #ffffff;
  --panel-2: #f8f9fb;
  --text: #17191d;
  --muted: #667085;
  --border: #d7dbe3;
  --danger: #b42318;
  --danger-bg: #fff1f0;
  --shadow: 0 12px 34px rgba(15, 23, 42, 0.10);
  --radius: 16px;
  --field-tint: rgba(244, 123, 32, 0.08);
  --office-tint: rgba(60, 93, 181, 0.08);
}

body.dark {
  --bg: #111318;
  --panel: #191c23;
  --panel-2: #222631;
  --text: #f4f5f7;
  --muted: #a8b0bd;
  --border: #313743;
  --danger: #ff9188;
  --danger-bg: rgba(180, 35, 24, 0.16);
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
  --field-tint: rgba(244, 123, 32, 0.14);
  --office-tint: rgba(105, 139, 255, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background 0.18s ease, color 0.18s ease;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1500px, calc(100vw - 24px));
  margin: 0 auto;
  padding: 12px 0;
}

.app-header {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0;
  line-height: 0.82;
  user-select: none;
  white-space: nowrap;
}

.logo-big {
  font-weight: 900;
  font-size: clamp(58px, 6.3vw, 104px);
  letter-spacing: -0.035em;
}

.logo-small {
  font-weight: 800;
  font-size: clamp(14px, 1.2vw, 21px);
  letter-spacing: -0.03em;
  margin-left: 6px;
}

.logo-gap {
  width: clamp(20px, 2vw, 34px);
}

.logo-q {
  color: var(--accent);
}

.header-actions,
.mini-actions,
.section-title-row,
.chart-toggle,
.settings-actions,
.password-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.main-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

h2,
h3 {
  margin: 0;
}

h2 {
  font-size: 16px;
}

h3 {
  font-size: 18px;
}

.section-title-row {
  justify-content: space-between;
  margin-bottom: 10px;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

label {
  display: grid;
  gap: 5px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
}

input {
  width: 100%;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 9px 10px;
  outline: none;
}

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

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

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(244, 123, 32, 0.15);
}

.btn {
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: 8px 11px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 13px;
  transition: transform 0.12s ease, border 0.12s ease, background 0.12s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #111;
}

.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}

.btn-soft.active {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.btn-danger-soft {
  color: var(--danger);
  background: var(--danger-bg);
}

.icon-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 10px;
  font-size: 22px;
  line-height: 1;
}

.complexity-wrap {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

.complexity-label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 900;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px;
  gap: 4px;
}

.segmented button {
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: 10px;
  padding: 8px 6px;
  font-weight: 900;
}

.segmented button.active {
  background: var(--accent);
  color: #111;
}

.work-area {
  display: grid;
  grid-template-columns: 0.9fr 1.25fr 1.45fr;
  gap: 10px;
}

.work-column,
.estimate-column {
  min-height: 520px;
}

.job-list {
  display: grid;
  gap: 7px;
}

.category-group {
  display: grid;
  gap: 5px;
  padding: 6px;
  border-radius: 13px;
  border: 1px solid var(--border);
  background: var(--panel-2);
}

.category-group.field-group {
  background: var(--field-tint);
}

.category-group.office-group {
  background: var(--office-tint);
}

.job-row {
  display: grid;
  grid-template-columns: 22px 1fr 28px;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 5px 7px;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid transparent;
}

.job-row:hover {
  border-color: var(--accent);
}

.job-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.job-name {
  font-size: 13px;
  font-weight: 850;
  line-height: 1.15;
}


.info-btn {
  width: 25px;
  height: 25px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--accent);
  background: var(--panel-2);
  font-weight: 900;
}

.info-btn:hover {
  border-color: var(--accent);
}

.estimate-table {
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.estimate-head,
.estimate-row {
  display: grid;
  grid-template-columns: 1fr 72px 92px;
  gap: 0;
  align-items: center;
}

.estimate-head {
  background: var(--panel-2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.estimate-head span,
.estimate-row span {
  padding: 9px 10px;
  border-right: 1px solid var(--border);
}

.estimate-head span:last-child,
.estimate-row span:last-child {
  border-right: 0;
}

.estimate-row {
  border-top: 1px solid var(--border);
  font-size: 13px;
}

.estimate-row.field {
  background: var(--field-tint);
}

.estimate-row.office {
  background: var(--office-tint);
}

.empty-state {
  padding: 18px;
  color: var(--muted);
  text-align: center;
  font-weight: 700;
}

.warning {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(244, 123, 32, 0.16);
  border: 1px solid rgba(244, 123, 32, 0.35);
  font-weight: 900;
}

.totals-box {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 7px;
  margin-top: 10px;
}

.total-line {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 11px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 800;
}

.total-line.strong {
  background: rgba(244, 123, 32, 0.16);
  border-color: rgba(244, 123, 32, 0.45);
  font-size: 14px;
}


.results-chart {
  margin-top: 10px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel-2);
}

.compact-title-row {
  margin-bottom: 6px;
}

.totals-title {
  margin-top: 10px;
  margin-bottom: 7px;
}

.chart-card {
  display: grid;
  gap: 6px;
}

.chart-layout {
  display: grid;
  grid-template-columns: 150px 1fr;
  align-items: center;
  gap: 16px;
}

#pieChart {
  width: 145px;
  height: 145px;
}

.chart-legend {
  display: grid;
  gap: 8px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 850;
  color: var(--muted);
}

.legend-swatch {
  width: 16px;
  height: 16px;
  border-radius: 5px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.48);
  z-index: 30;
}

.modal {
  width: min(760px, 96vw);
  max-height: 90vh;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 14px;
}

.small-modal {
  width: min(460px, 94vw);
}

.settings-modal {
  width: min(980px, 96vw);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.modal-body {
  color: var(--muted);
  line-height: 1.5;
  font-weight: 650;
}

.password-panel {
  display: grid;
  gap: 10px;
}

.small-note {
  color: var(--muted);
  font-size: 12px;
  margin: 0;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 10px;
}

.tab-btn {
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 10px;
  font-weight: 900;
}

.tab-btn.active {
  background: var(--accent);
  color: #111;
  border-color: var(--accent);
}

.settings-panels {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px;
  background: var(--panel-2);
}

.settings-panel {
  display: none;
}

.settings-panel.active {
  display: block;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.settings-grid label {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
}

.settings-actions {
  justify-content: flex-end;
  margin-top: 12px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  background: var(--text);
  color: var(--panel);
  padding: 10px 14px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-weight: 900;
}

.hidden {
  display: none !important;
}

@media (max-width: 1180px) {
  .work-area {
    grid-template-columns: 1fr;
  }

  .work-column,
  .estimate-column {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .app-header,
  .section-title-row,
  .complexity-wrap,
  .chart-layout {
    align-items: stretch;
    flex-direction: column;
    grid-template-columns: 1fr;
  }

  .app-header {
    display: grid;
  }

  .header-actions,
  .mini-actions {
    justify-content: flex-start;
  }

  .input-grid,
  .settings-grid,
  .totals-box {
    grid-template-columns: 1fr;
  }

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

  .logo {
    transform-origin: left center;
    transform: scale(0.78);
  }
}