:root { color-scheme: light; --ink: #172b40; --muted: #536575; --blue: #175c8f; --line: #ccd7df; --paper: #fff; --wash: #f1f5f7; --green: #195d4d; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--wash); color: var(--ink); font: 15px/1.5 Arial, sans-serif; }
a { color: var(--blue); text-underline-offset: 3px; }
.site-bar { padding: 14px max(24px, calc((100% - 1160px)/2)); display: flex; align-items: center; gap: 22px; border-bottom: 1px solid var(--line); background: var(--paper); font-size: 13px; }
.site-bar a:first-child { font-weight: 700; text-decoration: none; color: #0b2a4a; }
.site-bar a:last-child { margin-left: auto; }
.site-bar span { color: var(--muted); border-left: 1px solid var(--line); padding-left: 22px; }
main { max-width: 1208px; margin: auto; padding: 28px 24px 40px; }
h1, h2, h3, p { margin-top: 0; }
h1 { color: #0b2a4a; font-size: clamp(25px, 3vw, 34px); margin-bottom: 8px; letter-spacing: -.6px; line-height: 1.2; }
h2 { font-size: 19px; line-height: 1.4; margin-bottom: 16px; }
h3 { font-size: 16px; }
.heading > p:last-child { color: var(--muted); margin-bottom: 22px; }
.eyebrow { text-transform: uppercase; letter-spacing: .13em; font-size: 11px; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
button, input, select, textarea { font: inherit; color: inherit; border: 1px solid #b7c6d0; border-radius: 5px; background: #fff; }
button { padding: 9px 14px; font-size: 13px; font-weight: 700; cursor: pointer; min-height: 40px; }
button:hover { background: #eaf1f6; border-color: var(--blue); }
button:disabled { cursor: default; opacity: .4; }
button.primary { background: var(--blue); color: white; border-color: var(--blue); min-width: 150px; }
button.primary:hover { background: #10486f; }
:is(input, select, textarea, button, summary, a, [tabindex]):focus-visible { outline: 3px solid #468ebf; outline-offset: 3px; }
.mode-picker { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mode-picker button { display: flex; flex-direction: column; align-items: flex-start; text-align: left; padding: 17px 20px; border: 1px solid #aebfcd; border-left: 4px solid #b7c6d0; }
.mode-picker button[aria-pressed="true"] { background: #e9f1f7; border-color: var(--blue); border-left-width: 4px; }
.mode-picker span { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--blue); margin-bottom: 3px; }
.mode-picker strong { font-size: 18px; }
.mode-picker small { font-size: 13px; font-weight: 400; color: var(--muted); margin-top: 3px; }
#storage-status { margin: 12px 0 20px; font-size: 12px; }
.panel { background: var(--paper); border: 1px solid var(--line); padding: 22px; border-radius: 8px; margin: 0 0 18px; }
.section-heading { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 16px; margin-bottom: 10px; }
.section-heading h2 { margin: 0 auto 0 0; }
.step { display: inline-block; margin-right: 8px; color: #5a778e; font-size: 12px; padding: 5px 7px; background: #edf3f7; border-radius: 4px; vertical-align: middle; }
.help { color: var(--muted); font-size: 12px; line-height: 1.6; margin-bottom: 14px; }
label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; font-weight: 700; min-width: 0; }
input, select, textarea { width: 100%; padding: 9px; min-height: 40px; font-size: 14px; font-weight: 400; }
textarea { resize: vertical; min-height: 62px; }
input[type="checkbox"] { width: 16px; min-height: 16px; height: 16px; accent-color: var(--blue); margin: 0; flex-shrink: 0; }
.field-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin: 14px 0; }
.wide { grid-column: span 2; }
.field-action { display: flex; align-items: end; }
.inline-field { flex-direction: row; align-items: center; gap: 8px; }
.inline-field select { width: auto; max-width: 290px; }
.check { flex-direction: row; align-items: center; gap: 8px; font-weight: 400; font-size: 13px; }
.rule-options { display: flex; flex-direction: column; gap: 10px; margin: 20px 0 14px; }
details { border-top: 1px solid #e0e7ec; padding-top: 12px; margin-top: 14px; }
summary { cursor: pointer; color: #254c69; font-size: 13px; font-weight: 700; margin-bottom: 10px; }
summary span { color: var(--muted); font-weight: 400; margin-left: 8px; }
.weekdays { border: 0; padding: 0; margin: 0 0 14px; }
legend { font-size: 12px; font-weight: 700; margin-bottom: 8px; }
#weekdays { display: flex; flex-wrap: wrap; gap: 9px; }
#weekdays label { display: flex; flex-direction: row; align-items: center; padding: 8px 12px; border: 1px solid var(--line); border-radius: 5px; gap: 7px; font-weight: 400; }
#weekdays label:has(input:checked) { background: #edf4f8; border-color: #91afc4; }
.daily-hours { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
.operation { border: 1px solid var(--line); border-left: 3px solid #6d91ac; border-radius: 5px; padding: 14px; margin-bottom: 12px; }
.operation.disabled { opacity: .7; border-left-color: #aab6bf; background: #f7f8f9; }
.operation-top { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.operation-top .check { margin-right: auto; }
.operation-top button { min-height: 32px; padding: 4px 10px; font-size: 12px; }
.operation .field-grid { margin: 10px 0; }
.operation-preview { color: var(--green); background: #f0f6f4; border-radius: 4px; padding: 8px 10px; margin: 8px 0 0; font-size: 12px; }
.operation-preview.invalid { color: #9c3025; background: #fcf1ef; }
.tag { color: #486478; background: #edf3f7; padding: 3px 8px; border-radius: 4px; font-size: 12px; }
.actions, .quick-links { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 16px 0 0; }
.rate-record { background: #f7f9fa; border: 1px solid #dce4ea; border-radius: 5px; padding: 12px; }
.rate-record summary { margin-bottom: 0; }
.library-copy { padding-top: 14px; border-top: 1px solid var(--line); }
.calculator-actions { position: sticky; bottom: 10px; z-index: 2; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 12px; background: #f9fbfc; border: 1px solid #b7c8d5; border-radius: 7px; box-shadow: 0 4px 16px #172b4010; margin: 0 0 20px; }
#calculation-status { margin-left: auto; color: var(--muted); font-size: 12px; }
.results { border-top: 3px solid var(--blue); scroll-margin-top: 20px; }
.results h2 { font-size: 22px; }
.result-quantity { font-size: clamp(28px, 4vw, 38px); font-weight: 700; color: #0b2a4a; letter-spacing: -.6px; line-height: 1.2; margin-bottom: 4px; }
.result-sub { color: var(--muted); }
.summary-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 22px; margin: 20px 0; }
.summary-grid div { border-top: 1px solid var(--line); padding: 12px 0; }
.summary-grid dt { font-size: 12px; color: var(--muted); }
.summary-grid dd { margin: 4px 0 0; font-size: 18px; font-weight: 700; }
.table-wrap { overflow-x: auto; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 13px; text-align: left; }
th { background: #edf3f7; font-size: 11px; color: #456176; text-transform: uppercase; letter-spacing: .03em; }
th, td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
td small { color: var(--muted); display: block; margin-top: 4px; }
.numeric { font-variant-numeric: tabular-nums; text-align: right; }
.notice { background: #fdf8e9; border-left: 3px solid #bd8b25; padding: 12px 16px; font-size: 13px; }
.notice ul { padding-left: 18px; margin: 0; }
.notice li + li { margin-top: 6px; }
.error { color: #952e23; background: #fff1ee; border-color: #b2483b; }
.calculation { background: #f2f6f8; border-radius: 4px; padding: 12px; font-size: 13px; line-height: 1.8; overflow-wrap: anywhere; }
.schedule-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; padding: 0; list-style: none; }
.schedule-day { border: 1px solid var(--line); border-radius: 5px; padding: 14px; font-size: 13px; }
.schedule-day strong { color: #254c69; }
.schedule-day p { margin: 7px 0 0; }
.quick-links { margin: 0 0 16px; }
#quick-result { display: block; margin-top: 15px; line-height: 1.8; }
footer { padding: 10px 0 0; color: var(--muted); font-size: 12px; }
footer p { margin-bottom: 4px; }
@media (max-width: 800px) {
  .field-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .daily-hours { grid-template-columns: repeat(4, 1fr); }
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-heading .inline-field { margin-top: 4px; }
}
@media (max-width: 520px) {
  main { padding: 22px 12px; }
  .site-bar { padding: 12px; gap: 10px; }
  .site-bar span { display: none; }
  .mode-picker { gap: 8px; }
  .mode-picker button { padding: 12px 10px; }
  .mode-picker strong { font-size: 15px; }
  .mode-picker small { font-size: 12px; }
  .panel { padding: 16px 12px; }
  .field-grid { gap: 12px 10px; }
  .operation .field-grid { grid-template-columns: 1fr; }
  .operation .wide { grid-column: auto; }
  .daily-hours { grid-template-columns: repeat(2, 1fr); }
  .inline-field { align-items: flex-start; flex-direction: column; width: 100%; }
  .inline-field select { width: 100%; max-width: 100%; }
  .calculator-actions { bottom: 0; }
  #calculation-status { flex-basis: 100%; margin-left: 0; }
  .calculator-actions button { flex: 1; }
}
@media print {
  body { background: white; font-size: 10pt; }
  main { max-width: none; padding: 0; }
  .site-bar, .mode-picker, #storage-status, #calculator-form, #quick, .calculator-actions, #clear-comparisons, footer, button { display: none !important; }
  .panel { border: 0; padding: 0; margin-top: 20px; }
  .results { border-top: 2px solid #172b40; padding-top: 15px; }
  .table-wrap { overflow: visible; }
  th, td { padding: 6px; }
  tr, .schedule-day, .calculation { break-inside: avoid; }
  .schedule-list { display: block; }
  .schedule-day { margin-bottom: 8px; }
  details > * { display: block !important; }
  #comparisons { break-before: auto; }
  .notice { border: 1px solid #aaa; }
}