:root {
  color-scheme: light;
  --ink: #10233f;
  --ink-2: #27415e;
  --ink-soft: #5b6d82;
  --paper: #f3f7fb;
  --surface: #ffffff;
  --line: #dbe4ee;
  --line-strong: #c8d5e2;
  --blue: #1876d2;
  --blue-dark: #0e5fae;
  --blue-soft: #eaf4ff;
  --mint: #00a982;
  --mint-dark: #08765f;
  --mint-soft: #e8f8f3;
  --amber: #b36500;
  --amber-soft: #fff4dc;
  --red: #b53a3a;
  --red-soft: #fff0f0;
  --shadow: 0 18px 45px rgba(31, 55, 82, 0.09);
  --radius: 22px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 90% 4%, rgba(41, 163, 255, 0.12), transparent 27rem),
    linear-gradient(180deg, #f8fbff 0, var(--paper) 500px);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
}

button, input, select { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }

.topbar {
  position: relative;
  z-index: 5;
  min-height: 76px;
  padding: 12px clamp(18px, 4vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(220, 228, 238, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex: none;
  border-radius: 12px;
  background: var(--ink);
  color: #fff;
  font-weight: 850;
  letter-spacing: -0.04em;
}

.brand strong, .brand small { display: block; }
.brand strong { font-size: 1rem; }
.brand small { margin-top: 1px; color: var(--ink-soft); font-size: 0.78rem; }

.topbar-actions { display: flex; align-items: center; gap: 24px; }
.topbar-actions > a { color: var(--ink-2); font-size: 0.9rem; font-weight: 700; text-decoration: none; }
.topbar-actions > a:hover { color: var(--blue-dark); text-decoration: underline; }

.privacy-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.875rem;
}

.privacy-pill span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px var(--mint-soft);
}

.support-link { color: var(--blue-dark) !important; }

.security-banner {
  padding: 11px max(18px, calc((100vw - 1240px) / 2));
  background: #7c2d12;
  color: #fff;
  font-size: 0.84rem;
  text-align: center;
}
.security-banner strong { margin-right: 4px; }
[hidden] { display: none !important; }

.workspace {
  width: min(1240px, calc(100% - 36px));
  margin: 0 auto;
  padding: 54px 0 80px;
}

.intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 28px;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue-dark);
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 840px;
  margin-bottom: 11px;
  font-size: clamp(2.15rem, 4.45vw, 4rem);
  line-height: 1.03;
  letter-spacing: -0.05em;
}

.intro > div > p:last-child {
  max-width: 790px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.year-control {
  min-width: 150px;
  padding: 13px 16px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
}
.year-control span, .year-control strong { display: block; }
.year-control span { margin-bottom: 2px; color: var(--ink-soft); font-size: 0.78rem; }
.year-control strong { font-size: 1.55rem; font-weight: 800; letter-spacing: -0.03em; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 22px; align-items: start; }

.calculator-card, .result-card, .results-section, .documents-section, .calendar-section, .assumptions {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.calculator-card { padding: clamp(22px, 3.5vw, 38px); }
.mobile-result-bar { display: none; }

.card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 24px;
}
.card-heading > div { display: flex; align-items: center; gap: 12px; }
.card-heading h2 { margin: 0; font-size: 1.25rem; }
.card-heading p { max-width: 270px; margin: 0; color: var(--ink-soft); font-size: 0.84rem; text-align: right; }
.card-heading.compact { margin-bottom: 7px; }

.step-number { color: var(--blue); font-size: 0.78rem; font-weight: 850; letter-spacing: 0.08em; }
.section-help { margin: 0 0 19px; color: var(--ink-soft); font-size: 0.86rem; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
.settings-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.span-2 { grid-column: span 2; }

label { display: grid; align-content: start; gap: 7px; color: var(--ink-soft); font-size: 0.86rem; font-weight: 650; }
label > span em { margin-left: 4px; color: var(--blue-dark); font-size: 0.72rem; font-style: normal; font-weight: 700; }

input, select {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid #cbd6e3;
  border-radius: 11px;
  outline: none;
  background: #fbfcfe;
  color: var(--ink);
  font-size: 1rem;
  transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
}

input:hover, select:hover { border-color: #aebed0; }
input:focus, select:focus { border-color: var(--blue); background: #fff; box-shadow: 0 0 0 4px rgba(24, 118, 210, 0.11); }
input.invalid { border-color: var(--red); background: var(--red-soft); }
.field-message { min-height: 0; color: var(--red); font-size: 0.75rem; font-weight: 600; }
.field-message:empty { display: none; }

.section-divider { height: 1px; margin: 32px 0; background: var(--line); }
.inline-info, .privacy-inline {
  margin: -8px 0 19px;
  padding: 11px 13px;
  border-radius: 11px;
  background: var(--blue-soft);
  color: var(--ink-2);
  font-size: 0.8rem;
}
.privacy-inline { margin: 0 0 17px; background: var(--mint-soft); color: var(--mint-dark); }
.privacy-inline span { margin-right: 6px; color: var(--mint); font-size: 0.7rem; }
.employee-count, .ready-badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: 0.78rem;
  font-weight: 750;
  white-space: nowrap;
}

.toggle-row {
  margin-top: 17px;
  padding: 14px 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid #d6e2ee;
  border-radius: 13px;
  background: #f8fbff;
  cursor: pointer;
}
.toggle-row > span:first-child { display: grid; gap: 2px; }
.toggle-row strong { color: var(--ink); font-size: 0.92rem; }
.toggle-row small { color: var(--ink-soft); font-size: 0.77rem; font-weight: 500; }

.switch { position: relative; display: block; width: 46px; height: 26px; flex: none; }
.switch input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.switch span { position: absolute; inset: 0; border-radius: 999px; background: #aebbc9; transition: background 0.18s; }
.switch span::after { content: ""; position: absolute; width: 20px; height: 20px; top: 3px; left: 3px; border-radius: 50%; background: #fff; box-shadow: 0 2px 6px rgba(16, 35, 63, 0.23); transition: transform 0.18s; }
.switch input:checked + span { background: var(--blue); }
.switch input:checked + span::after { transform: translateX(20px); }
.switch input:focus-visible + span { outline: 3px solid rgba(24, 118, 210, 0.3); outline-offset: 3px; }

.employees-list { display: grid; gap: 14px; }
.employee-card { padding: 18px; border: 1px solid #d9e5f1; border-radius: 16px; background: #f8fbff; }
.employee-card-header { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 16px; }
.employee-card-header > div { display: flex; align-items: center; gap: 9px; }
.employee-index { width: 25px; height: 25px; display: grid; place-items: center; border-radius: 7px; background: var(--ink); color: #fff; font-size: 0.75rem; font-weight: 800; }
.employee-title { max-width: 450px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.96rem; }
.employee-card details { margin-top: 15px; padding-top: 14px; border-top: 1px solid #d9e5f1; }
.employee-card summary { color: var(--blue-dark); cursor: pointer; font-size: 0.84rem; font-weight: 750; }
.employee-details-grid { margin-top: 15px; }

button {
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  border-radius: 12px;
  background: var(--blue);
  box-shadow: 0 10px 24px rgba(24, 118, 210, 0.2);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
  transition: background 0.17s, transform 0.17s, box-shadow 0.17s;
}
button:hover { background: var(--blue-dark); transform: translateY(-1px); }
button:active { transform: translateY(0); }
button:focus-visible { outline: 3px solid rgba(24, 118, 210, 0.35); outline-offset: 3px; }
button:disabled { cursor: not-allowed; opacity: 0.5; transform: none; }

.secondary-button { background: #fff; border: 1px solid var(--line-strong); box-shadow: none; color: var(--blue-dark); }
.secondary-button:hover { background: var(--blue-soft); }
.add-employee { width: 100%; margin-top: 14px; }
.icon-button { min-height: 34px; padding: 0 10px; background: transparent; border: 1px solid transparent; box-shadow: none; color: var(--red); font-size: 0.76rem; }
.icon-button:hover { border-color: #ffd1d1; background: var(--red-soft); }

.form-footer { display: flex; align-items: center; justify-content: space-between; gap: 22px; margin-top: 28px; }
.form-footer p { margin: 0; color: var(--ink-soft); font-size: 0.82rem; }

.result-card { position: sticky; top: 18px; overflow: hidden; }
.result-heading { display: flex; justify-content: space-between; gap: 12px; padding: 20px 22px 0; color: var(--ink-soft); font-size: 0.8rem; font-weight: 700; }
.status { color: var(--blue-dark); }
.main-result { margin: 18px 22px 0; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.main-result span, .main-result strong { display: block; }
.main-result span { color: var(--ink-soft); font-size: 0.9rem; }
.main-result strong { margin-top: 3px; font-size: clamp(2rem, 4vw, 2.4rem); letter-spacing: -0.045em; }
.result-list { margin: 0; padding: 12px 22px 20px; }
.result-list div { display: flex; justify-content: space-between; gap: 20px; padding: 10px 0; }
.result-list dt { color: var(--ink-soft); }
.result-list dd { margin: 0; font-weight: 750; text-align: right; }
.result-list .accent-row { margin: 4px -10px; padding: 11px 10px; border-radius: 10px; background: var(--mint-soft); }
.result-list .accent-row dt, .result-list .accent-row dd { color: var(--mint-dark); font-weight: 800; }
.result-note { padding: 19px 22px 21px; background: var(--ink); color: #fff; }
.result-note strong { font-size: 0.92rem; }
.result-note p { margin: 4px 0 0; color: #c8d5e6; font-size: 0.82rem; }
.result-jump { width: 100%; min-height: 45px; border-radius: 0; background: #172f4c; box-shadow: none; font-size: 0.82rem; }
.result-jump:hover { background: #1c3a5f; transform: none; }

.results-section, .documents-section, .calendar-section, .assumptions { margin-top: 24px; padding: clamp(22px, 3.5vw, 38px); }
.section-title-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.section-title-row h2 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.2rem); letter-spacing: -0.035em; }
.month-control { display: grid; grid-template-columns: auto 170px; align-items: center; gap: 10px; }
.month-control span { font-size: 0.8rem; }
.month-control select { min-height: 42px; padding-block: 7px; }

.summary-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 18px; border: 1px solid var(--line); border-radius: 15px; overflow: hidden; }
.summary-strip article { min-width: 0; padding: 17px 18px; border-right: 1px solid var(--line); background: #f9fbfd; }
.summary-strip article:last-child { border-right: 0; }
.summary-strip span, .summary-strip strong { display: block; }
.summary-strip span { color: var(--ink-soft); font-size: 0.78rem; }
.summary-strip strong { margin-top: 4px; overflow: hidden; text-overflow: ellipsis; font-size: 1.2rem; letter-spacing: -0.02em; white-space: nowrap; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 15px; }
table { width: 100%; min-width: 760px; border-collapse: collapse; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: right; }
th:first-child, td:first-child { text-align: left; }
th { background: #f3f7fb; color: var(--ink-soft); font-size: 0.76rem; letter-spacing: 0.035em; text-transform: uppercase; }
td { font-size: 0.9rem; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #f9fcff; }
.table-footnote { margin: 13px 0 0; color: var(--ink-soft); font-size: 0.8rem; }
.swipe-hint { display: none; margin: 9px 0 0; color: var(--ink-soft); font-size: 0.76rem; }
.empty-row td { padding: 32px 16px; color: var(--ink-soft); text-align: center !important; }

.documents-heading { align-items: center; }
.documents-heading > div > p:last-child { max-width: 720px; margin: 8px 0 0; color: var(--ink-soft); font-size: 0.9rem; }
.ready-badge { background: var(--amber-soft); color: var(--amber); }
.ready-badge.ready { background: var(--mint-soft); color: var(--mint-dark); }
.document-periods { margin: -5px 0 16px; padding: 10px 13px; border-left: 3px solid var(--blue); background: #f5f9fd; color: var(--ink-2); font-size: 0.82rem; }

.validation-panel { display: flex; gap: 14px; margin-bottom: 18px; padding: 15px 17px; border: 1px solid #f0d59d; border-radius: 14px; background: #fffaf0; }
.validation-panel.ready { border-color: #bfe7dc; background: #f1fbf8; }
.validation-icon { width: 28px; height: 28px; display: grid; place-items: center; flex: none; border-radius: 8px; background: var(--amber-soft); color: var(--amber); font-weight: 850; }
.validation-panel.ready .validation-icon { background: var(--mint-soft); color: var(--mint-dark); }
.validation-panel strong { font-size: 0.9rem; }
.validation-panel ul { margin: 5px 0 0; padding-left: 19px; color: var(--ink-soft); font-size: 0.82rem; }
.validation-panel li + li { margin-top: 2px; }

.document-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.document-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 15px; min-width: 0; padding: 17px; border: 1px solid var(--line); border-radius: 15px; background: #fbfcfe; }
.document-card.featured { border-color: #b7d7f5; background: #f2f8ff; }
.document-card h3 { margin: 0 0 3px; font-size: 1rem; }
.document-card p { margin: 0; color: var(--ink-soft); font-size: 0.78rem; }
.document-card button { min-height: 40px; padding: 0 14px; box-shadow: none; font-size: 0.76rem; white-space: nowrap; }
.document-icon { width: 45px; height: 45px; display: grid; place-items: center; border-radius: 12px; background: var(--blue-soft); color: var(--blue-dark); font-size: 0.72rem; font-weight: 850; }
.document-icon.excel { background: #e6f6ed; color: #157347; }
.document-icon.pdf { background: #fff0f0; color: #ba3c3c; }

.calendar-caption { max-width: 320px; margin: 0; color: var(--ink-soft); font-size: 0.8rem; text-align: right; }
.calendar-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.calendar-item { padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: #fafcfe; }
.calendar-item .calendar-date { display: block; margin-bottom: 7px; color: var(--blue-dark); font-size: 0.82rem; font-weight: 800; }
.calendar-item strong { display: block; margin-bottom: 4px; font-size: 0.94rem; }
.calendar-item p { margin: 0; color: var(--ink-soft); font-size: 0.77rem; }

.assumptions h2 { margin-bottom: 18px; font-size: 1.5rem; }
.assumption-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.assumption-grid div { padding-left: 15px; border-left: 3px solid #b9daf8; }
.assumption-grid strong { font-size: 0.9rem; }
.assumption-grid p { margin: 4px 0 0; color: var(--ink-soft); font-size: 0.8rem; }
.legal-note { margin-top: 24px; padding: 18px 20px; border-radius: 15px; background: var(--ink); color: #fff; }
.legal-note strong { font-size: 0.92rem; }
.legal-note p { margin: 5px 0 0; color: #c9d6e6; font-size: 0.82rem; }

footer { padding: 26px max(18px, calc((100vw - 1240px) / 2)); display: flex; justify-content: space-between; gap: 30px; border-top: 1px solid var(--line); background: #fff; }
footer strong { font-size: 0.92rem; }
footer p, footer span, footer a { margin: 2px 0 0; color: var(--ink-soft); font-size: 0.78rem; }
.footer-links { display: flex; align-items: center; gap: 22px; }
.footer-links a { color: var(--blue-dark); }

.toast { position: fixed; left: 50%; bottom: 24px; z-index: 20; max-width: min(480px, calc(100vw - 30px)); padding: 12px 17px; border-radius: 12px; background: var(--ink); box-shadow: 0 12px 30px rgba(16, 35, 63, 0.25); color: #fff; font-size: 0.86rem; font-weight: 650; opacity: 0; pointer-events: none; transform: translate(-50%, 14px); transition: opacity 0.2s, transform 0.2s; }
.toast.visible { opacity: 1; transform: translate(-50%, 0); }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

@media (max-width: 1080px) {
  .settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .document-card { grid-template-columns: auto 1fr; }
  .document-card button { grid-column: 1 / -1; width: 100%; }
  .calendar-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 920px) {
  .layout { grid-template-columns: 1fr; }
  .result-card { position: static; }
  .mobile-result-bar {
    position: sticky;
    top: 0;
    z-index: 4;
    margin: -22px -22px 23px;
    padding: 11px 16px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid #d3dfec;
    border-radius: var(--radius) var(--radius) 0 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
  }
  .mobile-result-bar span { color: var(--ink-soft); font-size: 0.76rem; }
  .mobile-result-bar strong { font-size: 1rem; text-align: right; }
  .mobile-result-bar button { min-height: 34px; padding: 0 10px; box-shadow: none; font-size: 0.72rem; }
  .topbar-actions > a:not(.support-link) { display: none; }
  .summary-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .summary-strip article:nth-child(2) { border-right: 0; }
  .summary-strip article:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .assumption-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .topbar { min-height: 68px; padding: 11px 16px; }
  .topbar-actions .privacy-pill { display: none; }
  .brand small { display: none; }
  .workspace { width: min(100% - 24px, 1240px); padding: 34px 0 54px; }
  .intro { align-items: flex-start; flex-direction: column; }
  .year-control { width: 100%; min-width: 0; padding: 10px 13px; display: flex; align-items: center; justify-content: space-between; }
  .year-control span { margin: 0; }
  .year-control strong { font-size: 1rem; }
  h1 { font-size: 2.3rem; }
  .card-heading { align-items: flex-start; }
  .card-heading p { display: none; }
  .form-grid, .settings-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .employee-title { max-width: 190px; }
  .form-footer { align-items: stretch; flex-direction: column; }
  .form-footer button { width: 100%; }
  .section-title-row { align-items: flex-start; flex-direction: column; }
  .month-control { width: 100%; grid-template-columns: 1fr; }
  .document-grid { grid-template-columns: 1fr; }
  .documents-heading .ready-badge { align-self: flex-start; }
  .calendar-caption { text-align: left; }
  .calendar-list { grid-template-columns: 1fr; }
  footer { align-items: flex-start; flex-direction: column; }
  .footer-links { align-items: flex-start; flex-direction: column; gap: 5px; }
  .swipe-hint { display: block; }
  .table-wrap { background: linear-gradient(90deg, transparent calc(100% - 25px), rgba(24, 118, 210, 0.08)); }
  table th:first-child, table td:first-child { position: sticky; left: 0; z-index: 1; background: #fff; box-shadow: 1px 0 0 var(--line); }
  table th:first-child { background: #f3f7fb; }
}

@media (max-width: 430px) {
  .calculator-card, .results-section, .documents-section, .calendar-section, .assumptions { border-radius: 17px; }
  h1 { font-size: 2rem; }
  .intro > div > p:last-child { font-size: 0.95rem; }
  .summary-strip { grid-template-columns: 1fr; }
  .summary-strip article { border-right: 0; border-bottom: 1px solid var(--line); }
  .summary-strip article:last-child { border-bottom: 0; }
  .document-card { grid-template-columns: auto 1fr; }
}

@media print {
  .topbar, .intro, .calculator-card, .result-jump, .documents-section, .calendar-section, .assumptions, footer, .toast { display: none !important; }
  body, .workspace { background: #fff; }
  .workspace { width: 100%; padding: 0; }
  .layout { display: block; }
  .result-card, .results-section { box-shadow: none; border: 0; }
  .results-section { margin: 0; padding: 20px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}