@font-face {
  font-family: "Poppins";
  src: url("assets/fonts/Poppins-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Poppins";
  src: url("assets/fonts/Poppins-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0d0d0d;
  --panel: #1a1a2e;
  --panel-soft: #242743;
  --primary: #6200ea;
  --gold: #ffd700;
  --ok: #00c853;
  --bad: #d50000;
  --text: #f5f7ff;
  --muted: #a8adc4;
  --texture-url: none;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Poppins", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

.app::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(180deg, rgba(13, 13, 13, 0.08), rgba(13, 13, 13, 0.82)),
    radial-gradient(circle at 20% 12%, rgba(98, 0, 234, 0.35), transparent 40%),
    radial-gradient(circle at 84% 85%, rgba(255, 215, 0, 0.16), transparent 42%),
    var(--texture-url);
  background-size: cover, auto, auto, cover;
  background-repeat: no-repeat;
  background-position: center;
}

.app::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: rgba(6, 6, 10, 0.55);
}

.screen {
  min-height: 100vh;
  width: min(1040px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.card {
  background: linear-gradient(175deg, rgba(26, 26, 46, 0.92), rgba(17, 17, 32, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.btn-primary {
  background: linear-gradient(135deg, #7725f2, var(--primary));
  color: #fff;
  box-shadow: 0 10px 24px rgba(98, 0, 234, 0.36);
}

.btn-secondary {
  background: rgba(255, 215, 0, 0.05);
  color: var(--gold);
  border: 1px solid rgba(255, 215, 0, 0.55);
}

.muted {
  color: var(--muted);
}

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

.landing {
  display: grid;
  gap: 18px;
  text-align: center;
  padding-top: 12vh;
}

.landing-screen {
  display: grid;
  gap: 20px;
  align-content: center;
}

.landing-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 20px;
  align-items: center;
  animation: rise 0.45s ease-out;
}

.badge-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mini-icon {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  object-fit: cover;
}

.landing-title {
  margin: 10px 0 12px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  color: var(--gold);
  letter-spacing: 0.4px;
}

.landing-subtitle {
  margin: 0 0 18px;
  font-size: 1.03rem;
  color: #d8ddf6;
  max-width: 58ch;
}

.hero-image {
  width: 100%;
  border-radius: 14px;
  border: 2px solid rgba(255, 255, 255, 0.12);
  min-height: 260px;
  object-fit: cover;
}

.landing-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-item {
  display: grid;
  gap: 8px;
  align-content: start;
  min-height: 180px;
}

.feature-item h3 {
  margin: 0;
  color: var(--gold);
}

.feature-item p {
  margin: 0;
}

.feature-icon {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.landing-cta {
  text-align: center;
  display: grid;
  gap: 14px;
}

.landing-cta h3 {
  margin: 0;
}

.quiz-layout {
  display: grid;
  gap: 14px;
}

.scorebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.question-title {
  text-align: center;
  letter-spacing: 3px;
  color: var(--gold);
  font-weight: 700;
}

.question-text {
  text-align: center;
  margin: 0 0 10px;
}

.question-image {
  width: 100%;
  border-radius: 14px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: #121826;
}

.answers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.answer {
  min-height: 66px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--panel-soft);
  color: #fff;
  text-align: left;
}

.answer.correct {
  background: rgba(0, 200, 83, 0.22);
  border-color: rgba(0, 200, 83, 0.9);
}

.answer.wrong {
  background: rgba(213, 0, 0, 0.2);
  border-color: rgba(213, 0, 0, 0.9);
}

.controls {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.results {
  text-align: center;
  display: grid;
  gap: 12px;
  max-width: 560px;
  margin: 12vh auto 0;
}

.loading-card {
  max-width: 440px;
}

.loading-preview {
  width: 100%;
  border-radius: 10px;
  max-height: 140px;
  object-fit: cover;
  opacity: 0.8;
}

.error-image {
  width: 170px;
  max-width: 50vw;
}

.spinner {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.25);
  border-top-color: var(--gold);
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

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

@media (max-width: 700px) {
  .landing-hero {
    grid-template-columns: 1fr;
  }

  .landing-features {
    grid-template-columns: 1fr;
  }

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

  .screen {
    padding: 14px;
  }
}