/* NP Accounting Forms — Shared Styles */
:root {
  --np-navy: #1a2744;
  --np-blue: #2c4a7c;
  --np-light: #e8edf4;
  --np-accent: #3b7dd8;
  --np-green: #28a745;
  --np-red: #dc3545;
  --np-grey: #6c757d;
  --np-border: #ced4da;
  --np-bg: #f5f7fa;
  --radius: 6px;
  --font-sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --text-xs: 0.78rem;
  --text-sm: 0.86rem;
  --text-base: 0.94rem;
  --text-md: 1rem;
  --text-lg: 1.14rem;
  --text-xl: 1.32rem;
}

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

body {
  font-family: var(--font-sans);
  background: var(--np-bg);
  color: #333;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ── Header ── */
.np-header {
  background: var(--np-navy);
  color: #fff;
  padding: 24px 0;
  text-align: center;
}
.np-header h1 { font-size: var(--text-lg); font-weight: 650; letter-spacing: .02em; }
.np-header .subtitle {
  font-size: var(--text-sm); opacity: .78; margin-top: 4px;
}
.np-header .contact {
  font-size: var(--text-xs); opacity: .65; margin-top: 8px;
}

/* ── Form Container ── */
.form-wrap {
  max-width: 780px;
  margin: 32px auto;
  padding: 0 16px 64px;
}

.form-title {
  text-align: center;
  margin-bottom: 8px;
  font-size: var(--text-xl);
  color: var(--np-navy);
  font-weight: 700;
}
.form-subtitle {
  text-align: center;
  color: var(--np-grey);
  font-size: var(--text-sm);
  margin-bottom: 32px;
}

/* ── Sections ── */
.section {
  background: #fff;
  border: 1px solid var(--np-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.section-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--np-light);
}
.section-letter {
  background: var(--np-navy);
  color: #fff;
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem;
  flex-shrink: 0;
}
.section-head h2 {
  font-size: var(--text-md);
  color: var(--np-navy);
  font-weight: 600;
}

/* ── Fields ── */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.field-row.single { grid-template-columns: 1fr; }
.field-row.triple { grid-template-columns: 1fr 1fr 1fr; }
.field-row.quad { grid-template-columns: 1fr 1fr 1fr 1fr; }
.field-row.five { grid-template-columns: 1fr 1fr 1fr 1fr 1fr; }

.field-group { display: flex; flex-direction: column; }
.field-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--np-blue);
  margin-bottom: 4px;
}
.field-group label .req { color: var(--np-red); }

.field-group input,
.field-group select,
.field-group textarea {
  border: 1px solid var(--np-border);
  border-radius: var(--radius);
  padding: 9px 12px;
  font-size: var(--text-base);
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  outline: none;
  border-color: var(--np-accent);
  box-shadow: 0 0 0 3px rgba(59,125,216,.15);
}
.field-group textarea { resize: vertical; min-height: 70px; }

.field-group input.invalid {
  border-color: var(--np-red);
  box-shadow: 0 0 0 3px rgba(220,53,69,.12);
}

/* ── Checkboxes ── */
.check-row {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 10px;
}
.check-row input[type="checkbox"] {
  margin-top: 3px; width: 18px; height: 18px; accent-color: var(--np-accent);
  flex-shrink: 0;
}
.check-row label { font-size: var(--text-sm); cursor: pointer; line-height: 1.5; }

/* ── Radio ── */
.radio-group { display: flex; gap: 20px; align-items: center; }
.radio-group label {
  display: flex; align-items: center; gap: 6px;
  font-size: var(--text-sm); cursor: pointer; font-weight: 400; color: #333;
}
.radio-group input[type="radio"] { accent-color: var(--np-accent); }

/* ── Info boxes ── */
.info-box {
  background: var(--np-light);
  border-left: 4px solid var(--np-accent);
  padding: 14px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--text-sm);
  color: var(--np-blue);
  margin-bottom: 16px;
  line-height: 1.55;
}
.info-box.warn {
  background: #fff3cd;
  border-left-color: #ffc107;
  color: #856404;
}

/* ── Fee table ── */
.fee-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  margin-bottom: 12px;
}
.fee-table th {
  background: var(--np-navy);
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
}
.fee-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--np-border);
}
.fee-table tr:nth-child(even) { background: var(--np-light); }
.fee-table .total td { font-weight: 700; background: var(--np-light); }

/* ── Buttons ── */
.btn-row {
  display: flex; gap: 12px; justify-content: center;
  margin-top: 24px; flex-wrap: wrap;
}
.btn {
  padding: 12px 32px;
  border: none;
  border-radius: var(--radius);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, transform .1s;
  font-family: inherit;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: var(--np-accent);
  color: #fff;
}
.btn-primary:hover { background: #2d6bc4; }
.btn-success {
  background: var(--np-green);
  color: #fff;
}
.btn-success:hover { background: #219a3a; }
.btn-outline {
  background: #fff;
  color: var(--np-navy);
  border: 2px solid var(--np-navy);
}
.btn-outline:hover { background: var(--np-light); }

/* ── Signature pad ── */
.sig-pad-wrap {
  border: 2px dashed var(--np-border);
  border-radius: var(--radius);
  position: relative;
  background: #fff;
}
.sig-pad-wrap canvas {
  width: 100%;
  height: 120px;
  display: block;
  cursor: crosshair;
}
.sig-clear {
  position: absolute; top: 6px; right: 8px;
  background: none; border: none; color: var(--np-red);
  font-size: .75rem; cursor: pointer; font-weight: 600;
}

/* ── Toast ── */
.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--np-green); color: #fff;
  padding: 14px 24px; border-radius: var(--radius);
  font-weight: 600; font-size: var(--text-sm);
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
  transform: translateY(100px);
  opacity: 0;
  transition: all .3s ease;
  z-index: 999;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.error { background: var(--np-red); }

/* ── Read-only text blocks ── */
.legal-text {
  font-size: var(--text-sm);
  color: #555;
  line-height: 1.65;
  margin-bottom: 12px;
}
.legal-text p { margin-bottom: 8px; }

/* ── Mileage dynamic rows ── */
.mileage-row {
  display: grid;
  grid-template-columns: 120px 1fr 1fr 1fr 80px 40px;
  gap: 8px;
  align-items: end;
  margin-bottom: 8px;
}
.mileage-row input {
  border: 1px solid var(--np-border);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-size: .85rem;
  font-family: inherit;
}
.mileage-row input:focus {
  outline: none;
  border-color: var(--np-accent);
  box-shadow: 0 0 0 3px rgba(59,125,216,.15);
}
.mileage-header {
  display: grid;
  grid-template-columns: 120px 1fr 1fr 1fr 80px 40px;
  gap: 8px;
  margin-bottom: 8px;
  font-size: .75rem;
  font-weight: 700;
  color: var(--np-blue);
}
.remove-row {
  background: none; border: none;
  color: var(--np-red); font-size: 1.2rem;
  cursor: pointer; padding: 4px;
}
.add-row-btn {
  background: var(--np-light);
  border: 2px dashed var(--np-border);
  border-radius: var(--radius);
  padding: 10px;
  width: 100%;
  cursor: pointer;
  font-size: .85rem;
  color: var(--np-blue);
  font-weight: 600;
  transition: background .2s;
}
.add-row-btn:hover { background: #dce3ef; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .field-row, .field-row.triple, .field-row.quad, .field-row.five {
    grid-template-columns: 1fr;
  }
  .mileage-row, .mileage-header {
    grid-template-columns: 1fr;
  }
  .mileage-header { display: none; }
  .mileage-row { gap: 4px; }
  .mileage-row input::placeholder { font-size: .75rem; }
  .form-wrap { padding: 0 8px 40px; }
  .section { padding: 16px; }
  .btn-row { flex-direction: column; }
  .btn { width: 100%; }
}

/* ── Back link ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--np-accent);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: 20px;
}
.back-link:hover { text-decoration: underline; }

/* ── Submit overlay ── */
.submit-overlay {
  position: fixed; inset: 0;
  background: rgba(26,39,68,.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
  opacity: 0; pointer-events: none;
  transition: opacity .3s;
}
.submit-overlay.show { opacity: 1; pointer-events: auto; }
.submit-overlay-card {
  background: #fff;
  border-radius: 12px;
  padding: 40px 48px;
  text-align: center;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.submit-spinner {
  width: 40px; height: 40px;
  border: 4px solid var(--np-light);
  border-top-color: var(--np-accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.submit-overlay-msg {
  font-size: var(--text-base); color: var(--np-navy); font-weight: 600;
}

/* ── Submit success modal ── */
.submit-success-overlay {
  position: fixed; inset: 0;
  background: rgba(26,39,68,.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 2001;
  opacity: 0; pointer-events: none;
  transition: opacity .3s;
}
.submit-success-overlay.show { opacity: 1; pointer-events: auto; }
.submit-success-card {
  background: #fff;
  border-radius: 12px;
  padding: 40px 48px;
  text-align: center;
  max-width: 440px;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.submit-success-icon {
  width: 60px; height: 60px;
  background: var(--np-green);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; font-weight: 700;
  margin: 0 auto 16px;
}
.submit-success-card h2 {
  color: var(--np-navy);
  font-size: var(--text-lg);
  margin-bottom: 8px;
}
.submit-success-detail {
  font-size: var(--text-base); color: var(--np-green); font-weight: 600;
  margin-bottom: 8px;
}
.submit-success-sub {
  font-size: var(--text-sm); color: #666; line-height: 1.55;
  margin-bottom: 20px;
}
.submit-success-btns {
  display: flex; gap: 10px; justify-content: center;
}