:root {
  --primary: #000000;
  --primary-dark: #333333;
  --bg: #f4f6f9;
  --card: #ffffff;
  --border: #d8dde2;
  --text: #222;
  --muted: #5b6877;
  --danger: #c00;
  --ok: #000000;
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.site-header {
  background: #000;
  color: #fff;
  padding: 16px 0;
  box-shadow: var(--shadow);
}

.site-header .logo-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
  padding: 4px;
  flex-shrink: 0;
}

.site-header h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
}

.tagline {
  margin: 2px 0 0;
  font-size: 12px;
  opacity: 0.9;
}

.container {
  max-width: 760px;
  margin: 24px auto;
  padding: 0 16px 32px;
}

/* ---- Progress ---- */
.progress {
  display: flex;
  justify-content: space-between;
  margin-bottom: 24px;
  padding: 12px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 64px;
  position: relative;
  color: var(--muted);
  font-size: 11px;
}

.progress-step span {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--border);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 4px;
  transition: background 0.2s;
}

.progress-step.active span,
.progress-step.done span {
  background: var(--primary);
}

.progress-step.active {
  color: var(--primary);
  font-weight: 600;
}

.progress-step label {
  text-align: center;
}

/* ---- Pages ---- */
.page {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.page h2 {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 22px;
}

.page h3 {
  margin: 18px 0 8px;
  font-size: 16px;
  color: var(--primary-dark);
  border-bottom: 1px solid var(--border);
  padding-bottom: 4px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 12px;
}

.form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.form-row > label {
  flex: 1 1 200px;
  min-width: 0;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

.req { color: var(--danger); }

input[type="text"],
input[type="tel"],
input[type="date"],
input[type="email"],
input[type="number"],
textarea,
select {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
  margin-top: 4px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus,
textarea:focus,
select:focus {
  outline: 0;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.15);
}

input.invalid {
  border-color: var(--danger);
}

.feedback {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}

.feedback.error { color: var(--danger); }
.feedback.ok { color: var(--ok); }

fieldset {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  margin: 12px 0;
}

fieldset legend {
  font-weight: 600;
  padding: 0 4px;
  font-size: 13px;
}

.radio {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 12px 0 0;
  font-weight: 400;
  font-size: 14px;
}

.radio input { margin: 0; width: auto; }

/* ---- Signature pad ---- */
.signature-block {
  margin-top: 16px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fafbfc;
}

.signature-pad {
  width: 100%;
  height: 160px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  margin: 8px 0;
  touch-action: none;
  cursor: crosshair;
}

.sig-actions {
  display: flex;
  gap: 8px;
}

/* ---- Legal box ---- */
.legal-box {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  padding: 16px;
  max-height: 320px;
  overflow-y: auto;
  margin: 12px 0;
  font-size: 14px;
  line-height: 1.5;
}

.legal-box h3 {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--primary-dark);
  border-bottom: 1px solid var(--border);
  padding-bottom: 4px;
}

.legal-box h4 {
  font-size: 14px;
  margin: 12px 0 4px;
  color: var(--primary-dark);
}

.legal-box ol,
.legal-box ul {
  margin: 4px 0 8px 20px;
  padding: 0;
}

.legal-box li { margin-bottom: 4px; }
.legal-box p { margin: 4px 0 8px; }

.debit-order {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.debit-order th,
.debit-order td {
  border: 1px solid var(--border);
  padding: 6px 8px;
  text-align: left;
  vertical-align: middle;
}

.debit-order th {
  background: #f4f6f9;
  font-weight: 600;
  width: 25%;
}

/* ---- Page nav ---- */
.page-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  gap: 8px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, transform 0.05s;
  text-decoration: none;
  text-align: center;
}

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

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled {
  background: var(--muted);
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-secondary:hover { background: rgba(0, 0, 0, 0.08); }

/* ---- Result modal ---- */
[hidden] { display: none !important; }

.result {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
}

.result-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.result-icon {
  font-size: 48px;
  margin-bottom: 8px;
}

.result-card h2 {
  margin: 0 0 8px;
  color: var(--primary);
}

.result-card p { color: var(--muted); }

#result-files {
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#result-files a {
  display: block;
  padding: 8px 12px;
  background: var(--bg);
  border-radius: 6px;
  text-decoration: none;
  color: var(--primary);
  font-weight: 600;
}

#result-files a:hover { background: rgba(0, 0, 0, 0.1); }

/* ---- Footer ---- */
.site-footer {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding: 16px;
  border-top: 1px solid var(--border);
  background: #fff;
}

.site-footer a { color: var(--primary); }

/* ---- Searchable dropdown ---- */
.sdd-wrap { position: relative; }

.sdd-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 50;
  max-height: 260px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-top: 0;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.sdd-item {
  padding: 10px 12px;
  cursor: pointer;
  font-size: 14px;
  border-bottom: 1px solid #f0f1f3;
  user-select: none;
  -webkit-user-select: none;
}

.sdd-item:last-child { border-bottom: 0; }

.sdd-item:hover,
.sdd-item.sdd-active {
  background: rgba(0, 0, 0, 0.1);
  color: var(--primary);
}

.sdd-empty {
  padding: 12px;
  color: var(--muted);
  font-size: 13px;
  font-style: italic;
  text-align: center;
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .container { margin: 12px auto; padding: 0 12px 24px; }
  .page { padding: 16px; }
  .form-row { flex-direction: column; }
  .progress { padding: 8px 4px; }
  .progress-step { min-width: 48px; font-size: 10px; }
  .progress-step span { width: 24px; height: 24px; font-size: 12px; }
  .site-header h1 { font-size: 18px; }
  .page h2 { font-size: 18px; }
  .legal-box { max-height: 240px; font-size: 13px; }
  .debit-order { font-size: 12px; }
  .debit-order th,
  .debit-order td { padding: 4px 6px; }
  .debit-order th { display: block; }
  .debit-order td { display: block; }
}