:root {
  --bg: #f6efe5;
  --card: #fffdf9;
  --ink: #111111;
  --ink-soft: rgba(17, 17, 17, 0.14);
  --muted: #4f4f4f;
  --primary: #045d56;
  --primary-strong: #013f39;
  --accent: #ef8354;
  --good: #1b8f3e;
  --bad: #b42318;
  --ring: rgba(4, 93, 86, 0.25);
  --noise-dot: rgba(17, 17, 17, 0.05);
  --result-bg: #fff9f3;
  --result-border: #efc9b4;
  --shadow: 0 18px 42px rgba(17, 17, 17, 0.12);
}

body[data-theme="dark"] {
  --bg: #0f1717;
  --card: #182322;
  --ink: #ecf2f1;
  --ink-soft: rgba(236, 242, 241, 0.22);
  --muted: #c1d0ce;
  --primary: #22a192;
  --primary-strong: #168175;
  --accent: #ff9966;
  --good: #6fda8f;
  --bad: #ff8f86;
  --ring: rgba(34, 161, 146, 0.35);
  --noise-dot: rgba(236, 242, 241, 0.06);
  --result-bg: #1d2a29;
  --result-border: #33514f;
  --shadow: 0 20px 44px rgba(0, 0, 0, 0.46);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  transition: color 220ms ease, background 220ms ease;
  background: radial-gradient(circle at 20% 5%, #fde6d2 0%, transparent 32%),
    radial-gradient(circle at 78% 0%, #d6f2e6 0%, transparent 30%),
    var(--bg);
}

body[data-theme="dark"] {
  background: radial-gradient(circle at 15% 0%, #2b4644 0%, transparent 32%),
    radial-gradient(circle at 82% 0%, #4c3132 0%, transparent 30%),
    var(--bg);
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(var(--noise-dot) 0.5px, transparent 0.5px);
  background-size: 4px 4px;
  opacity: 0.18;
}

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.layout {
  position: relative;
  z-index: 1;
  width: min(980px, 92vw);
  margin: 2.5rem auto 4rem;
}

.hero {
  animation: rise 700ms ease;
}

.eyebrow {
  margin: 0;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--primary-strong);
  font-weight: 700;
}

.theme-toggle {
  border: 1px solid var(--ink-soft);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.theme-toggle:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--ring);
  transform: translateY(-1px);
}

h1 {
  margin: 0.4rem 0 0.8rem;
  font-family: "Fraunces", serif;
  font-size: clamp(2rem, 5.8vw, 3.4rem);
  line-height: 1.02;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 72ch;
}

.card {
  margin-top: 1.7rem;
  background: var(--card);
  border: 1px solid var(--ink-soft);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: clamp(1rem, 2.8vw, 2.1rem);
  animation: rise 850ms ease;
}

.quiz-meta {
  margin-bottom: 1rem;
  color: var(--muted);
  font-weight: 500;
}

.quiz-setup {
  border: 1px solid var(--ink-soft);
  border-radius: 12px;
  padding: 0.9rem;
  background: color-mix(in srgb, var(--card) 82%, #ffffff 18%);
}

.setup-label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.setup-controls {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  flex-wrap: wrap;
}

.setup-input {
  width: 140px;
  border: 1px solid var(--ink-soft);
  border-radius: 10px;
  padding: 0.58rem 0.7rem;
  font: inherit;
  color: var(--ink);
  background: transparent;
}

.setup-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--ring);
}

.quiz-form {
  display: grid;
  gap: 1rem;
}

.question-card {
  border: 1px solid var(--ink-soft);
  border-radius: 14px;
  padding: 1rem;
  background: color-mix(in srgb, var(--card) 86%, #ffffff 14%);
}

.question-title {
  margin: 0 0 0.8rem;
  font-size: 1.1rem;
  line-height: 1.35;
}

.options {
  display: grid;
  gap: 0.55rem;
}

.option {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  border: 1px solid var(--ink-soft);
  border-radius: 10px;
  padding: 0.62rem 0.75rem;
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.option:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--ring);
  transform: translateY(-1px);
}

.option input {
  margin-top: 0.2rem;
}

.feedback {
  margin-top: 0.9rem;
  border-top: 1px dashed var(--ink-soft);
  padding-top: 0.75rem;
}

.feedback-status {
  margin: 0 0 0.35rem;
  font-weight: 700;
}

.feedback-status.good {
  color: var(--good);
}

.feedback-status.bad {
  color: var(--bad);
}

.feedback-text {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.feedback-link {
  margin-top: 0.5rem;
  display: inline-block;
  color: var(--primary-strong);
  font-weight: 700;
  text-underline-offset: 2px;
}

.actions {
  margin-top: 1.25rem;
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 700;
  padding: 0.72rem 1.2rem;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #fff;
}

.btn-secondary {
  background: color-mix(in srgb, var(--card) 70%, #c9c0b2 30%);
  color: var(--ink);
}

.result {
  margin-top: 1rem;
  border-radius: 12px;
  background: var(--result-bg);
  border: 1px solid var(--result-border);
  padding: 0.8rem 0.9rem;
  font-weight: 600;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .layout {
    margin-top: 1.5rem;
  }

  .hero-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .question-title {
    font-size: 1rem;
  }
}