:root {
  --bg: #071019;
  --bg-panel: rgba(14, 26, 41, 0.9);
  --bg-card: rgba(8, 17, 28, 0.82);
  --text: #edf5fb;
  --muted: #97afbf;
  --accent: #6de8ff;
  --accent-strong: #3fd0f0;
  --warn: #ffbe66;
  --success: #88f3be;
  --danger: #ff8397;
  --line: rgba(109, 232, 255, 0.2);
  --line-strong: rgba(109, 232, 255, 0.48);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body.quiz-page {
  font-family: Bahnschrift, "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 18%, rgba(109, 232, 255, 0.16), transparent 18%),
    radial-gradient(circle at 84% 12%, rgba(255, 190, 102, 0.12), transparent 16%),
    linear-gradient(140deg, #050d15 0%, #09131d 40%, #071019 100%);
}

body.quiz-page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.26;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.quiz-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 28px;
}

.surface {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--bg-panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.eyebrow {
  margin: 0 0 10px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--accent);
}

.quiz-hero,
.quiz-board,
.side-panel {
  padding: 24px;
}

.quiz-hero {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.quiz-hero h1,
.board-head h2,
.result-panel h3 {
  margin: 0;
  font-family: Bahnschrift, "Arial Narrow", sans-serif;
}

.quiz-hero h1 {
  font-size: clamp(2rem, 3.4vw, 3.8rem);
  line-height: 0.98;
}

.hero-copy,
.board-head p,
.result-panel p,
.guidance-list,
.result-meta,
.lead-copy {
  color: var(--muted);
  line-height: 1.7;
}

.lead-form {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.lead-consent {
  margin: 4px 0 0;
  padding: 12px 14px;
  font-size: 0.88rem;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: #c8dce8;
  background: linear-gradient(135deg, rgba(255, 190, 102, 0.12) 0%, rgba(109, 232, 255, 0.08) 100%);
  border: 1px solid rgba(255, 190, 102, 0.28);
  border-radius: 14px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.lead-consent a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.lead-consent a:hover {
  color: #9af0ff;
  text-decoration-thickness: 2px;
}

.lead-consent a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.lead-form .lead-form-submit {
  width: 100%;
  margin-top: 2px;
}

.lead-form .tg-support-btn {
  width: 100%;
  margin-top: 2px;
  min-height: 52px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, #6de8ff 0%, #57d7ff 44%, #3fa9ff 100%);
  color: #04111a;
  box-shadow: 0 10px 26px rgba(63, 169, 255, 0.28);
}

.lead-form .tg-support-btn:hover {
  background: linear-gradient(135deg, #85eeff 0%, #62deff 46%, #4eb4ff 100%);
}

.field {
  display: grid;
  gap: 7px;
}

.field span {
  color: var(--muted);
  font-size: 0.92rem;
}

.field input {
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(109, 232, 255, 0.16);
  border-radius: 14px;
  background: rgba(8, 17, 28, 0.72);
  color: var(--text);
}

.field input:focus {
  outline: none;
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px rgba(109, 232, 255, 0.12);
}

.hero-copy {
  max-width: 760px;
  margin: 16px 0 0;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 17, 28, 0.72);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.action:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.action.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent) 0%, #56c8ff 100%);
  color: #04111a;
  font-weight: 700;
}

.action.ghost {
  border-color: rgba(255, 190, 102, 0.34);
  background: rgba(255, 190, 102, 0.08);
}

.action.subtle {
  background: rgba(255, 255, 255, 0.03);
}

.quiz-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 24px;
}

.board-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.progress-box {
  min-width: 260px;
  padding: 18px;
  border: 1px solid rgba(109, 232, 255, 0.16);
  border-radius: var(--radius-lg);
  background: rgba(7, 16, 25, 0.76);
}

.progress-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--muted);
}

.progress-title strong {
  color: var(--text);
}

.progress-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.progress-bar {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent) 0%, var(--warn) 100%);
  transition: width 180ms ease;
}

.quiz-form {
  display: grid;
  gap: 24px;
}

.question-card {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0 26px 24px;
  border: 1px solid rgba(109, 232, 255, 0.22);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.32), inset 0 1px 0 rgba(109, 232, 255, 0.08);
}

.question-card legend {
  width: 100%;
  padding: 28px 0 0;
}

.question-index {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(109, 232, 255, 0.14);
  border: 1px solid rgba(109, 232, 255, 0.28);
  color: var(--accent);
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.question-module {
  margin: 10px 0 0;
  color: var(--warn);
  font-size: 0.94rem;
}

.question-title {
  margin: 10px 0 0;
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.6;
  overflow-wrap: break-word;
  word-break: break-word;
}

.option-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.option-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid rgba(109, 232, 255, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.025);
  cursor: pointer;
  overflow-wrap: break-word;
  word-break: break-word;
  min-width: 0;
  transition: border-color 140ms ease, background 140ms ease;
}

.option-item:hover {
  border-color: rgba(109, 232, 255, 0.28);
  background: rgba(109, 232, 255, 0.04);
}

.option-item input {
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--accent-strong);
}

.option-item span,
.option-item > *:not(input) {
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}

.option-item.is-selected {
  border-color: rgba(109, 232, 255, 0.42);
  background: rgba(109, 232, 255, 0.08);
}

.quiz-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.result-banner {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
}

.result-banner[data-state="success"] {
  border: 1px solid rgba(136, 243, 190, 0.3);
  color: var(--success);
}

.result-banner[data-state="warning"] {
  border: 1px solid rgba(255, 190, 102, 0.28);
  color: var(--warn);
}

.result-banner[data-state="error"] {
  border: 1px solid rgba(255, 131, 151, 0.28);
  color: var(--danger);
}

.quiz-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric-grid article {
  min-height: 110px;
  padding: 16px;
  border: 1px solid rgba(109, 232, 255, 0.12);
  border-radius: var(--radius-md);
  background: rgba(8, 17, 28, 0.7);
}

.metric-grid strong {
  display: block;
  font-family: Consolas, "Courier New", monospace;
  font-size: 1.9rem;
  color: var(--accent);
}

.metric-grid span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.5;
}

.result-meta {
  margin-top: 14px;
}

.certificate-panel {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  padding: 16px;
  border: 1px solid rgba(109, 232, 255, 0.22);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(109, 232, 255, 0.12), rgba(255, 190, 102, 0.08)),
    rgba(8, 17, 28, 0.7);
}

.certificate-title {
  margin: 0;
  font-size: 1.08rem;
}

.certificate-code {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  width: fit-content;
  padding: 0 12px;
  border: 1px solid rgba(109, 232, 255, 0.22);
  border-radius: 999px;
  font-family: Consolas, "Courier New", monospace;
  color: var(--accent);
}

.certificate-message {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  line-height: 1.6;
  white-space: pre-wrap;
}

.certificate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.breakdown {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(109, 232, 255, 0.12);
  border-radius: var(--radius-md);
  background: rgba(8, 17, 28, 0.62);
  color: var(--muted);
}

.breakdown-item strong {
  color: var(--text);
}

.guidance-list {
  margin: 14px 0 0;
  padding-left: 18px;
}

.guidance-list li + li {
  margin-top: 10px;
}

@media (max-width: 1100px) {
  .quiz-layout {
    grid-template-columns: 1fr;
  }

  .quiz-side {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .quiz-shell {
    padding: 18px 16px 28px;
  }

  .quiz-hero,
  .board-head,
  .hero-links,
  .quiz-controls,
  .quiz-side {
    grid-template-columns: 1fr;
    display: grid;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .progress-box {
    min-width: 0;
  }
}