:root {
  --neptune-blue: #264c9e;
  --neptune-blue-dark: #1c3a7a;
  --jupiter-orange: #f05a28;
  --jupiter-orange-dark: #d6491d;
  --ink: #26292e;
  --muted: #6b7280;
  --border: #e2e5ea;
  --bg: #f7f8fa;
  --card-bg: #ffffff;
  --success: #2e8b57;
  --error: #d6491d;
  --radius: 12px;
  --font-en: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-th: "Leelawadee UI", "Noto Sans Thai", "Segoe UI", Tahoma, var(--font-en);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-th);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

.site-header {
  background: var(--neptune-blue);
  color: #fff;
  padding: 20px 16px;
}

.site-header-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-logo-img {
  display: block;
  height: 64px;
  width: auto;
  margin: -8px 0;
}

.header-title {
  margin-left: auto;
  text-align: right;
}

.header-title .th { display: block; font-size: 16px; font-weight: 600; }
.header-title .en { display: block; font-size: 12px; opacity: 0.85; }

.btn-start-over {
  padding: 6px 12px;
  font-size: 12px;
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-start-over:hover { background: rgba(255, 255, 255, 0.1); }

.page-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 80px;
}

.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

/* Progress bar */
.progress-container { margin-bottom: 20px; }

.progress-bar-track {
  height: 8px;
  border-radius: 4px;
  background: var(--border);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--jupiter-orange);
  border-radius: 4px;
  transition: width 0.25s ease;
}

.progress-caption {
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--neptune-blue);
}

.progress-tabs {
  display: flex;
  gap: 4px;
  margin-top: 12px;
  overflow-x: auto;
  border-bottom: 1px solid var(--border);
}

.progress-tab {
  flex: 1 0 auto;
  min-width: 64px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 6px 4px 8px;
  font-family: var(--font-th);
  font-size: 11px;
  line-height: 1.3;
  color: var(--muted);
  cursor: pointer;
}

.progress-tab.active {
  color: var(--neptune-blue);
  border-bottom-color: var(--jupiter-orange);
  font-weight: 600;
}

/* Step card */
.step-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 1px 3px rgba(20, 30, 60, 0.06);
}

.step-title {
  margin: 0 0 20px;
  font-family: var(--font-en);
  color: var(--neptune-blue);
  font-size: 20px;
}

.step-hint {
  color: var(--muted);
  font-size: 14px;
  margin-top: -8px;
  margin-bottom: 16px;
}

/* Field grid */
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-full { grid-column: 1 / -1; }

.field-label { font-size: 14px; font-weight: 600; }
.required-mark { color: var(--jupiter-orange); margin-left: 4px; }

.dob-select-group { display: grid; grid-template-columns: 1fr 1.4fr 1fr; gap: 8px; }
.dob-select-group.month-year-select-group { grid-template-columns: 1.4fr 1fr; }

input[type="text"], input[type="tel"], input[type="email"], input[type="number"],
input[type="date"], textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--neptune-blue);
  box-shadow: 0 0 0 3px rgba(38, 76, 158, 0.12);
}

input[disabled], input[readonly] { background: var(--bg); color: var(--muted); }

.field-error {
  font-size: 12px;
  color: var(--error);
  min-height: 14px;
}

.field-error:not(:empty) {
  margin-top: 4px;
  padding: 4px 8px;
  font-weight: 600;
  background: rgba(220, 53, 69, 0.08);
  border-left: 3px solid var(--error);
}

.has-error input, .has-error textarea { border-color: var(--error); }

/* Radio groups */
.radio-group { display: flex; flex-wrap: wrap; gap: 10px; }

.radio-option {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 14px;
}

.radio-option input { margin: 0; accent-color: var(--neptune-blue); }
.radio-option:has(input:checked) { border-color: var(--neptune-blue); background: rgba(38, 76, 158, 0.06); }

.checkbox-inline { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.checkbox-inline input { accent-color: var(--neptune-blue); }

/* Language picker */
.language-picker { text-align: center; padding: 20px 0; }
.language-picker h2 { color: var(--neptune-blue); font-size: 20px; margin-bottom: 24px; }

.language-cards {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.language-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 160px;
  padding: 24px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  cursor: pointer;
}

.language-card:hover { border-color: var(--neptune-blue); background: rgba(38, 76, 158, 0.06); }
.language-flag { width: 64px; height: auto; border-radius: 4px; box-shadow: 0 0 0 1px rgba(0,0,0,0.1); }
.language-name { font-size: 16px; font-weight: 600; color: var(--ink); }

/* Consent gate */
.consent-gate h2 { color: var(--neptune-blue); font-family: var(--font-en); }
.consent-text-th, .consent-text-en {
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
  padding: 14px 16px;
  border-radius: 8px;
}
.consent-text-en { font-family: var(--font-en); color: var(--muted); margin-top: -8px; }

.consent-text { font-size: 14px; color: var(--ink); background: var(--bg); padding: 14px 16px; border-radius: 8px; }

.consent-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 16px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

.consent-checkbox input { margin-top: 3px; accent-color: var(--jupiter-orange); }
.consent-checkbox.has-error { border-color: var(--error); }

/* Subsections and repeaters */
.subsection { margin-top: 24px; border-top: 1px dashed var(--border); padding-top: 20px; }
.subsection h3 { font-size: 15px; color: var(--neptune-blue); margin: 0 0 12px; }

.repeater-row {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 12px;
  background: var(--bg);
}

.education-row { display: flex; flex-direction: column; gap: 8px; }
.edu-level-label { font-weight: 600; font-size: 14px; color: var(--neptune-blue); }

.month-year-select-group { margin-bottom: 8px; }

.btn-add-row, .btn-remove-row {
  border: 1px dashed var(--neptune-blue);
  background: transparent;
  color: var(--neptune-blue);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
}

.btn-remove-row {
  border: none;
  color: var(--error);
  padding: 6px 0;
  margin-top: 8px;
}

/* Skills tables */
.skills-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.skills-table th, .skills-table td { border: 1px solid var(--border); padding: 10px; text-align: center; }
.skills-table th { background: var(--bg); font-family: var(--font-en); }

.rating-group { display: flex; justify-content: center; gap: 8px; }
.rating-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 52px;
  cursor: pointer;
}
.rating-option input { accent-color: var(--neptune-blue); margin: 0; }
.rating-option .rating-word {
  font-size: 10px;
  line-height: 1.2;
  color: var(--muted);
  text-align: center;
  white-space: normal;
}

.computer-apps-list { display: flex; flex-direction: column; gap: 10px; }
.computer-app-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.computer-app-name { flex: 1; min-width: 100px; font-size: 14px; font-weight: 600; }
.app-note { flex: 1; min-width: 140px; }

/* Review step */
.review-section { margin-bottom: 24px; }
.review-section h3 { color: var(--neptune-blue); font-size: 15px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.review-row { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; font-size: 14px; border-bottom: 1px dotted var(--border); }
.review-label { color: var(--muted); }
.review-value { font-weight: 600; text-align: right; }

.review-subitem { background: var(--bg); border-radius: 8px; padding: 4px 12px; margin-bottom: 10px; }
.review-subitem:last-child { margin-bottom: 0; }
.review-subitem .review-row:last-child { border-bottom: none; }

.review-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }

.review-row-block { flex-direction: column; align-items: flex-start; gap: 4px; }
.review-row-block .review-value { text-align: left; font-weight: 400; }

.review-profile-header {
  display: flex; gap: 20px; align-items: center;
  margin-bottom: 24px; padding-bottom: 20px; border-bottom: 2px solid var(--border);
}
.review-profile-photo img {
  width: 110px; height: 140px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); display: block;
}
.review-photo-placeholder {
  width: 110px; height: 140px; display: flex; align-items: center; justify-content: center;
  background: var(--bg); border: 1px dashed var(--border); border-radius: 8px; color: var(--muted);
  font-size: 12px; text-align: center; padding: 8px; flex-shrink: 0;
}
.review-profile-info { min-width: 0; }
.review-profile-info h2 { margin: 0 0 4px; font-size: 19px; color: var(--ink); }
.review-profile-info .review-profile-sub { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
.review-profile-info .review-profile-position { margin: 0; font-weight: 600; color: var(--neptune-blue); font-size: 14px; }

.doc-checklist { display: flex; flex-direction: column; gap: 10px; margin: 16px 0; }
.doc-checklist-item { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.doc-checklist-item input[type="file"] { font-size: 12px; }
.file-attached-note { font-size: 12px; color: var(--success); }

.certification-text {
  font-style: italic;
  font-size: 13px;
  color: var(--muted);
  border-left: 3px solid var(--jupiter-orange);
  padding-left: 12px;
}

.error-banner {
  background: #fdecea;
  color: var(--error);
  border: 1px solid var(--error);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  margin-top: 12px;
}

.submit-status { margin-top: 12px; }

/* Nav */
.nav-container {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-th);
}

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

.btn-secondary { background: transparent; color: var(--neptune-blue); border: 1px solid var(--neptune-blue); }
.btn-secondary:hover { background: rgba(38, 76, 158, 0.06); }

/* Success screen */
.success-screen { text-align: center; padding: 40px 16px; }
.success-screen h2 { color: var(--success); font-family: var(--font-en); }

/* Footer */
.site-footer {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding: 20px;
}
.site-footer a { color: var(--neptune-blue); }

/* Mobile */
@media (max-width: 600px) {
  .field-grid { grid-template-columns: 1fr; }
  .header-title .th { font-size: 14px; }
  .step-card { padding: 18px; }
  .review-value { text-align: left; }
  .review-row { flex-direction: column; gap: 2px; }
  .review-grid { grid-template-columns: 1fr; }
  .review-profile-header { flex-direction: column; text-align: center; }
  .site-header-inner { flex-wrap: wrap; row-gap: 10px; }
  .btn-start-over { font-size: 11px; padding: 4px 8px; }
}

/* Dark mode support (system preference) */
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8eaed;
    --muted: #9aa1ab;
    --border: #33384a;
    --bg: #14161f;
    --card-bg: #1b1e2b;
  }
  input[type="text"], input[type="tel"], input[type="email"], input[type="number"],
  input[type="date"], textarea, select { background: #232637; color: var(--ink); }
  input[readonly] { background: #1b1e2b; }
  .error-banner { background: rgba(214, 73, 29, 0.15); }
}