:root {
  --bg: #edf2f7;
  --bg-strong: #dbe7f1;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --text: #152536;
  --muted: #5b6b7d;
  --line: #d6e0ea;
  --accent: #145f6a;
  --accent-strong: #113d63;
  --accent-soft: #e5f1f3;
  --success: #0f766e;
  --warning: #9a5b00;
  --shadow: 0 24px 60px rgba(21, 37, 54, 0.14);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-sans: "Source Sans Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(20, 95, 106, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(17, 61, 99, 0.12), transparent 25%),
    linear-gradient(180deg, #f8fbfd 0%, var(--bg) 55%, var(--bg-strong) 100%);
}

body.landing-page {
  display: flex;
  flex-direction: column;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.34) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.34) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 92%);
  pointer-events: none;
}

.page-shell,
.placeholder-shell {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.landing-page .page-shell {
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 0;
}

.preview-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 28px;
  padding: 34px;
  overflow: hidden;
  position: relative;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -90px -120px auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(20, 95, 106, 0.16), rgba(17, 61, 99, 0.04));
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-card h1,
.placeholder-card h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.06;
}

.hero-subtitle {
  margin: 14px 0 0;
  font-size: clamp(1rem, 2vw, 1.28rem);
  font-weight: 600;
  color: var(--accent-strong);
}

.hero-description,
.placeholder-copy,
.modal-copy,
.helper-text,
#startSectionText,
#resumeText,
#warningText {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.hero-metrics {
  display: grid;
  gap: 14px;
  align-content: start;
}

.metric-pill {
  display: grid;
  gap: 2px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(229, 241, 243, 0.95));
  border: 1px solid rgba(20, 95, 106, 0.1);
}

.metric-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-strong);
}

.metric-label {
  color: var(--muted);
  font-size: 0.95rem;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 22px;
}

.page-footer {
  margin-top: auto;
  padding: 18px 24px 20px;
  text-align: center;
  background: rgba(255, 255, 255, 0.9);
  border-top: 1px solid rgba(20, 95, 106, 0.14);
  border-left: 1px solid rgba(255, 255, 255, 0.55);
  border-right: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 22px 22px 0 0;
  box-shadow: 0 -10px 32px rgba(21, 37, 54, 0.08);
  backdrop-filter: blur(14px);
}

.page-footer p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.98rem;
  font-weight: 600;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.landing-page .content-grid {
  margin-bottom: 42px;
}

.preview-stack {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.preview-card {
  padding: 30px;
}

.preview-list {
  display: grid;
  gap: 18px;
}

.preview-item {
  padding: 24px;
}

.preview-card-header {
  display: grid;
  gap: 12px;
  align-items: start;
}

.preview-card-header h2 {
  margin: 0;
}

.preview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 22px;
  margin-top: 24px;
}

.preview-language-tag,
.preview-private-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.preview-language-tag {
  color: var(--accent-strong);
  background: rgba(20, 95, 106, 0.1);
}

.preview-private-tag {
  color: var(--warning);
  background: rgba(255, 245, 229, 0.96);
  border: 1px solid rgba(154, 91, 0, 0.16);
}

.preview-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.preview-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.preview-summary-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
}

.preview-summary-item h3 {
  margin: 10px 0 0;
}

.preview-summary-item p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.preview-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.preview-language-block {
  margin-top: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
}

.preview-language-value {
  margin: 10px 0 0;
  color: var(--text);
  line-height: 1.7;
  white-space: pre-wrap;
}

.preview-actions {
  display: grid;
  gap: 18px;
}

.preview-action-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
}

.preview-action-card h3 {
  margin: 0;
}

.preview-button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.preview-demo-input {
  margin-top: 16px;
}

.preview-help {
  margin-top: 12px;
}

.content-grid > .card {
  padding: 30px;
}

.section-heading h2,
.action-copy h3,
.modal-card h2 {
  margin: 0;
}

.language-toggle {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.language-option,
.primary-button,
.secondary-button,
.text-input,
.modal-close,
.button-link {
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.language-option {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  border-radius: 999px;
  padding: 13px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.language-option.is-active {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(20, 95, 106, 0.28);
}

.language-option:hover,
.primary-button:hover,
.secondary-button:hover,
.modal-close:hover,
.button-link:hover {
  transform: translateY(-1px);
}

.language-option:focus-visible,
.primary-button:focus-visible,
.secondary-button:focus-visible,
.text-input:focus-visible,
.modal-close:focus-visible,
.button-link:focus-visible {
  outline: 3px solid rgba(20, 95, 106, 0.2);
  outline-offset: 2px;
}

.instruction-panel {
  margin-top: 22px;
  padding: 22px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(240, 247, 250, 0.98));
  border: 1px solid var(--line);
}

.instruction-label {
  margin: 0 0 10px;
  color: var(--accent-strong);
  font-weight: 700;
}

.instruction-text {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.action-stack {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.action-panel {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
}

.action-copy p {
  margin: 10px 0 0;
}

.primary-button,
.secondary-button,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 14px;
  padding: 14px 20px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.primary-button {
  margin-top: 18px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 16px 28px rgba(17, 61, 99, 0.22);
}

.secondary-button,
.button-link {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border: 1px solid rgba(20, 95, 106, 0.14);
}

.resume-panel {
  display: grid;
  gap: 16px;
}

.resume-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.text-input {
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

.text-input::placeholder {
  color: #7b8998;
}

.helper-text {
  margin-top: 0;
  font-size: 0.95rem;
}

.message-box {
  min-height: 28px;
  margin-top: 18px;
  padding: 0 2px;
  color: var(--accent-strong);
  font-weight: 600;
}

.message-box.is-warning {
  color: var(--warning);
}

.message-box.is-success {
  color: var(--success);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 30;
}

.modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 18, 28, 0.54);
  backdrop-filter: blur(10px);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(560px, 100%);
  padding: 30px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: 0 32px 70px rgba(10, 18, 28, 0.28);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #ffffff;
  color: var(--muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.code-box,
.placeholder-code {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #f8fbfd, #eef5f8);
  border: 1px dashed rgba(17, 61, 99, 0.28);
}

.code-label {
  display: block;
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.generated-code {
  display: block;
  margin-top: 10px;
  font-family: "Consolas", "Courier New", monospace;
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  letter-spacing: 0.08em;
  color: var(--accent-strong);
  word-break: break-word;
}

.warning-box {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 245, 229, 0.9);
  border: 1px solid rgba(154, 91, 0, 0.18);
}

.warning-box strong {
  display: block;
  color: var(--warning);
}

.modal-actions {
  margin-top: 20px;
}

.full-width {
  width: 100%;
}

.placeholder-body {
  display: grid;
  place-items: center;
}

.placeholder-shell {
  padding: 24px 0;
}

.placeholder-card {
  width: min(760px, 100%);
  padding: 34px;
}

.placeholder-actions {
  margin-top: 20px;
}

.dataset-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(20, 95, 106, 0.08);
  border: 1px solid rgba(20, 95, 106, 0.12);
  color: var(--accent-strong);
  line-height: 1.6;
}

.form-reset {
  margin: 0;
}

.test-shell,
.report-shell {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.test-header {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 20px;
  padding: 28px;
}

.test-header-meta {
  display: grid;
  gap: 14px;
  align-content: start;
}

.test-header .metric-value {
  font-size: clamp(1rem, 2vw, 1.35rem);
  line-height: 1.4;
  word-break: break-word;
}

.mini-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.state-card,
.progress-card,
.question-card,
.details-card {
  margin-top: 20px;
  padding: 24px;
}

.state-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.progress-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.progress-topline h2 {
  margin: 6px 0 0;
}

.timer-pill {
  min-width: 120px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  text-align: center;
}

.timer-pill strong {
  display: block;
  margin-top: 6px;
  font-size: 1.35rem;
  color: var(--accent-strong);
}

.progress-track {
  width: 100%;
  height: 14px;
  margin-top: 18px;
  border-radius: 999px;
  background: rgba(20, 95, 106, 0.12);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.question-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.question-visual,
.question-content {
  padding: 22px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
}

.panel-header {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.question-image {
  display: block;
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: #ffffff;
}

.empty-visual {
  min-height: 280px;
  display: grid;
  place-items: center;
  padding: 18px;
  text-align: center;
  color: var(--muted);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #f8fbfd, #eef5f8);
  border: 1px dashed rgba(17, 61, 99, 0.22);
}

.question-title {
  font-size: 1.18rem;
  line-height: 1.7;
  color: var(--text);
}

.question-title b {
  color: var(--accent-strong);
}

.question-description {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(20, 95, 106, 0.08);
  color: var(--muted);
  line-height: 1.7;
}

.answer-list {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.answer-option {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #ffffff;
  cursor: pointer;
}

.answer-option input {
  margin: 0;
}

.answer-option.is-selected {
  border-color: transparent;
  background: linear-gradient(135deg, rgba(20, 95, 106, 0.12), rgba(17, 61, 99, 0.08));
  box-shadow: 0 14px 26px rgba(17, 61, 99, 0.12);
}

.answer-letter {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 700;
}

.answer-text {
  color: var(--text);
  line-height: 1.6;
}

.question-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.form-hint {
  min-height: 24px;
  margin: 16px 0 0;
  color: var(--warning);
  font-weight: 600;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.stat-card {
  padding: 22px;
}

.stat-card strong {
  display: block;
  margin-top: 12px;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--accent-strong);
}

.highlight-card {
  background: linear-gradient(135deg, rgba(20, 95, 106, 0.12), rgba(17, 61, 99, 0.08));
}

.details-header h2 {
  margin: 0;
}

.detail-list {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.detail-item {
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
}

.detail-item.is-correct {
  border-color: rgba(15, 118, 110, 0.2);
  background: rgba(240, 253, 250, 0.9);
}

.detail-item.is-incorrect {
  border-color: rgba(154, 91, 0, 0.16);
  background: rgba(255, 248, 235, 0.92);
}

.detail-topline {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
}

.badge-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.88rem;
  font-weight: 700;
}

.detail-time {
  margin-left: auto;
}

.detail-title {
  margin-top: 14px;
  line-height: 1.7;
}

.detail-title b {
  color: var(--accent-strong);
}

.detail-answer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.detail-answer-grid p {
  margin: 8px 0 0;
  line-height: 1.6;
}

.text-success {
  color: var(--success) !important;
}

.text-danger {
  color: #b42318 !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.reveal {
  animation: rise 540ms ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  .hero-card,
  .content-grid,
  .preview-grid,
  .preview-summary-grid,
  .test-header,
  .question-grid,
  .report-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    padding: 28px;
  }
}

@media (max-width: 720px) {
  .page-shell,
  .preview-shell,
  .placeholder-shell,
  .test-shell,
  .report-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 18px;
    padding-bottom: 28px;
  }

  .landing-page .page-shell {
    min-height: 100vh;
    padding-bottom: 0;
  }

  .content-grid > .card,
  .placeholder-card,
  .modal-card,
  .test-header,
  .state-card,
  .progress-card,
  .question-card,
  .details-card,
  .stat-card {
    padding: 22px;
  }

  .resume-form {
    grid-template-columns: 1fr;
  }

  .language-toggle {
    width: 100%;
  }

  .language-option {
    min-width: 0;
  }

  .progress-topline,
  .detail-answer-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .detail-time {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}