*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #0f1117;
  --paper: #f5f2eb;
  --cream: #ede9df;
  --rule: #d4cfc4;
  --accent: #c94f2a;
  --accent-soft: #f0ebe4;
  --muted: #7a7468;
  --white: #ffffff;
  --radius: 3px;
  --shadow: 0 2px 12px rgba(15,17,23,0.08), 0 1px 3px rgba(15,17,23,0.05);
  --shadow-lg: 0 8px 40px rgba(15,17,23,0.12), 0 2px 8px rgba(15,17,23,0.06);
}

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 20px 80px;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 27px,
      rgba(180,175,165,0.12) 27px,
      rgba(180,175,165,0.12) 28px
    );
}

/* ── Site nav ── */
.site-nav {
  width: 100%;
  max-width: 780px;
  margin-bottom: 24px;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0 8px;
}
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.site-nav a:hover { color: var(--ink); }
.site-nav-sep { color: var(--rule); }
.site-nav-current { color: var(--rule); }
.site-nav-home { margin-left: auto; }

/* ── Page title ── */
.page-title {
  width: 100%;
  max-width: 780px;
  margin-bottom: 36px;
}
.page-title h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-title p {
  margin-top: 10px;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.5;
}
.page-title .statute-tag {
  display: inline-block;
  margin-top: 12px;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  border: 1px solid rgba(201,79,42,0.3);
  border-radius: 2px;
  padding: 4px 10px;
  margin-right: 6px;
}

/* ── Tab switcher ── */
.tabs {
  width: 100%;
  max-width: 780px;
  display: flex;
  gap: 2px;
  margin-bottom: 28px;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 4px;
}
.tab-btn {
  flex: 1;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  background: transparent;
  border: none;
  border-radius: 2px;
  padding: 9px 6px;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.tab-btn.active {
  background: var(--white);
  color: var(--ink);
  box-shadow: var(--shadow);
}
.tab-btn:hover:not(.active) { color: var(--ink); }

/* ── Card ── */
.card {
  width: 100%;
  max-width: 780px;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: 4px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-inner {
  padding: 36px 40px;
}

.panel { display: none; }
.panel.active { display: block; }

/* ── Section labels ── */
.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rule);
}

/* ── Form grid ── */
.form-row {
  display: grid;
  gap: 20px;
  margin-bottom: 28px;
}
.form-row.cols-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-1 { grid-template-columns: 1fr; }

.field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 7px;
}

input[type="number"],
input[type="date"],
select {
  width: 100%;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
  appearance: none;
}
input[type="number"]:focus,
input[type="date"]:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(201,79,42,0.1);
  background: var(--white);
}

/* Number input spinners hidden */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; }
input[type=number] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* ── Select wrapper (custom arrow) ── */
.select-wrapper {
  position: relative;
}
.select-wrapper::after {
  content: '▾';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  color: var(--muted);
  pointer-events: none;
}
.select-wrapper select {
  padding-right: 32px;
}

/* ── Toggle ── */
.toggle-group {
  display: flex;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}
.toggle-group label {
  flex: 1;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  padding: 10px;
  cursor: pointer;
  transition: all 0.15s;
  margin: 0 !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  display: block;
}
.toggle-group input { display: none; }
.toggle-group input:checked + label {
  background: var(--ink);
  color: var(--white);
}
.toggle-group label:hover { color: var(--ink); }

/* ── Action row ── */
.action-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 8px;
}

.btn-calculate {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  padding: 13px 32px;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background 0.15s, transform 0.1s;
}
.btn-calculate:hover { background: #b0431f; }
.btn-calculate:active { transform: translateY(1px); }

.btn-reset {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  background: none;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 12px 20px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-reset:hover { color: var(--ink); border-color: var(--ink); }

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 32px 0;
}

/* ── Result box ── */
.result-box {
  display: none;
  animation: slideUp 0.25s ease;
}
.result-box.visible { display: block; }

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

/* ── Field errors ── */
.field-error {
  font-size: 0.72rem;
  color: #c0392b;
  margin-top: 5px;
  display: none;
}
.field-error.visible { display: block; }

/* ── Copy button ── */
.copy-row { margin-top: 16px; }
.btn-copy {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  background: none;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 9px 18px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-copy:hover { color: var(--ink); border-color: var(--ink); }
.btn-copy.copied { color: #4a7d4a; border-color: #4a7d4a; }

/* ── Deadline grid (motion calculators) ── */
.deadline-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.deadline-row {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}
.deadline-row.is-input {
  border-color: rgba(201,79,42,0.35);
  box-shadow: 0 0 0 1px rgba(201,79,42,0.12);
}
.deadline-row.is-impermissible {
  border-color: rgba(192,57,43,0.4);
  box-shadow: 0 0 0 1px rgba(192,57,43,0.15);
}

.deadline-marker {
  width: 6px;
  flex-shrink: 0;
  background: var(--rule);
}
.deadline-row.filing           .deadline-marker { background: #4a7fcb; }
.deadline-row.opposition       .deadline-marker { background: #b07d2a; }
.deadline-row.reply            .deadline-marker { background: #6a9e6a; }
.deadline-row.return           .deadline-marker { background: var(--accent); }
.deadline-row.is-input         .deadline-marker { background: var(--accent); }
.deadline-row.is-impermissible .deadline-marker { background: #c0392b; }

.deadline-body {
  flex: 1;
  padding: 16px 20px;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.deadline-row.is-input         .deadline-body { background: var(--accent-soft); }
.deadline-row.is-impermissible .deadline-body { background: #fff5f5; }

.deadline-name {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 3px;
}
.deadline-row.filing           .deadline-name { color: #4a7fcb; }
.deadline-row.opposition       .deadline-name { color: #b07d2a; }
.deadline-row.reply            .deadline-name { color: #4a7d4a; }
.deadline-row.return           .deadline-name { color: var(--accent); }
.deadline-row.is-input         .deadline-name { color: var(--accent); }
.deadline-row.is-impermissible .deadline-name { color: #c0392b; }

.deadline-rule {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 300;
}

.deadline-date-group { text-align: right; flex-shrink: 0; }
.deadline-date {
  font-family: 'DM Serif Display', serif;
  font-size: 1.25rem;
  color: var(--ink);
  line-height: 1.1;
}
.deadline-row.is-input         .deadline-date { color: var(--accent); }
.deadline-row.is-impermissible .deadline-date { color: #c0392b; text-decoration: line-through; }

.deadline-dow {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 2px;
}
.deadline-dow.adjusted           { color: #4a7d4a; font-weight: 500; }
.deadline-dow.impermissible-note { color: #c0392b; font-weight: 500; }

/* ── Badges ── */
.badge {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 2px;
  padding: 2px 7px;
  margin-left: 8px;
  vertical-align: middle;
}
.badge-input        { color: #fff; background: var(--accent); }
.badge-adjusted     { color: #fff; background: #4a7d4a; }
.badge-impermissible { color: #fff; background: #c0392b; }

/* ── Statute / rule notes ── */
.statute-note {
  margin-top: 16px;
  padding: 14px 18px;
  background: var(--cream);
  border-left: 3px solid var(--rule);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.65;
}
.statute-note strong { font-weight: 600; color: var(--ink); }

.gcl-note {
  display: none;
  margin-top: 12px;
  padding: 14px 18px;
  background: #f2f7f2;
  border-left: 3px solid #4a7d4a;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.78rem;
  color: #2a4a2a;
  line-height: 1.65;
}
.gcl-note.visible { display: block; }
.gcl-note strong { font-weight: 600; color: #2a5a2a; }

/* ── Impermissible return date warning (NY calculator) ── */
.impermissible-box {
  display: none;
  margin-top: 14px;
  padding: 14px 18px;
  background: #fff5f5;
  border-left: 3px solid #c0392b;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.78rem;
  color: #7a2020;
  line-height: 1.65;
}
.impermissible-box.visible { display: block; }
.impermissible-box strong { font-weight: 600; color: #c0392b; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .card-inner { padding: 24px 20px; }
  .form-row.cols-4,
  .form-row.cols-3 { grid-template-columns: 1fr 1fr; }
  .form-row.cols-2 { grid-template-columns: 1fr; }
  .tab-btn { font-size: 0.7rem; padding: 8px 4px; }
  .deadline-body { flex-direction: column; align-items: flex-start; gap: 8px; }
  .deadline-date-group { text-align: left; }
}