@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Raleway:wght@600;700;800&display=swap");

:root {
  --bg-main: #f5efea;
  --bg-card: rgba(255, 255, 255, 0.72);
  --bg-card-strong: rgba(255, 255, 255, 0.9);
  --bg-fact: linear-gradient(135deg, #f08a8a 0%, #de2a7b 100%);
  --bg-favorites: linear-gradient(135deg, #7fcbb8 0%, #157a7d 100%);

  --text-main: #1c1d22;
  --text-soft: #5f6470;
  --text-light: #ffffff;

  --accent-pink: #de2a7b;
  --accent-coral: #f08a8a;
  --accent-yellow: #e4e36b;
  --accent-purple: #7a3db8;
  --accent-mint: #7fcbb8;
  --accent-teal: #157a7d;

  --border-light: rgba(28, 29, 34, 0.08);
  --shadow-soft: 0 14px 40px rgba(31, 20, 41, 0.08);
  --shadow-hover: 0 18px 48px rgba(122, 61, 184, 0.18);

  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;

  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: 32px 20px;
  font-family: "Inter", sans-serif;
  color: var(--text-main);
  background:
    linear-gradient(rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0.28)),
    linear-gradient(
      90deg,
      #efe6e1 0%,
      #efe6e1 16.66%,
      #e4e36b 16.66%,
      #e4e36b 33.33%,
      #f08a8a 33.33%,
      #f08a8a 50%,
      #de2a7b 50%,
      #de2a7b 66.66%,
      #7a3db8 66.66%,
      #7a3db8 83.33%,
      #7fcbb8 83.33%,
      #7fcbb8 100%
    );
  background-size: cover;
  display: grid;
  place-items: center;
}

.app {
  width: 100%;
  max-width: 880px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  padding: 32px;
}

h1 {
  margin: 0 0 10px;
  font-family: "Raleway", sans-serif;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--accent-pink);
}

.subtitle {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.fact-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 22px;
  min-height: 210px;
  background: #7a3db8;
  color: var(--text-light);
  box-shadow: 0 16px 40px rgba(222, 42, 219, 0.22);
  transition:
    transform var(--transition),
    box-shadow var(--transition);
}

.fact-card::before {
  content: "";
  position: absolute;
  inset: auto -60px -60px auto;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  filter: blur(2px);
}

.status {
  position: relative;
  z-index: 1;
  min-height: 22px;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.86);
}

.fact-text {
  position: relative;
  z-index: 1;
  margin: 0 0 14px;
  font-size: clamp(1.3rem, 2vw, 1.55rem);
  line-height: 1.75;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.fact-meta {
  position: relative;
  z-index: 1;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

button {
  appearance: none;
  border: none;
  outline: none;
  border-radius: 999px;
  padding: 13px 18px;
  font-family: "Inter", sans-serif;
  font-size: 0.96rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background-color var(--transition),
    color var(--transition),
    opacity var(--transition);
}

button:hover {
  transform: translateY(-2px);
}

button:active {
  transform: translateY(0);
}

#randomBtn {
  background: var(--accent-pink);
  color: var(--text-light);
  box-shadow: 0 10px 24px rgba(122, 61, 184, 0.24);
}

#randomBtn:hover {
  background: var(--accent-mint);
  box-shadow: 0 14px 30px rgba(101, 45, 170, 0.28);
}

button.secondary {
  background: var(--bg-card-strong);
  color: var(--text-main);
  border: 1px solid var(--border-light);
  box-shadow: 0 8px 20px rgba(28, 29, 34, 0.06);
}

button.secondary:hover {
  background: var(--accent-yellow);
  color: #2a1f36;
  box-shadow: 0 14px 28px rgba(228, 227, 107, 0.26);
}

button:disabled {
  opacity: 0.52;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.favorites {
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--bg-favorites);
  color: var(--text-light);
  box-shadow: 0 16px 36px rgba(21, 122, 125, 0.2);
}

.favorites h2 {
  margin: 0 0 16px;
  font-family: "Raleway", sans-serif;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fefefe;
}

.favorites-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.favorite-item {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  padding: 16px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition:
    transform var(--transition),
    background-color var(--transition),
    box-shadow var(--transition);
}

.favorite-item:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.08);
}

.favorite-text {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.96);
}

.favorite-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.favorite-actions button.secondary {
  background: rgba(255, 255, 255, 0.92);
  color: var(--accent-teal);
  border: none;
}

.favorite-actions button.secondary:hover {
  background: #ffd0ea;
  color: var(--accent-pink);
  box-shadow: 0 12px 24px rgba(255, 208, 234, 0.25);
}

.empty-text {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

@media (max-width: 767px) {
  body {
    padding: 18px;
  }

  .app {
    padding: 22px 18px;
    border-radius: 24px;
  }

  .fact-card {
    padding: 22px;
    min-height: 190px;
  }

  .controls {
    gap: 10px;
  }

  button {
    width: 100%;
    justify-content: center;
  }

  .favorites {
    padding: 20px 16px;
  }
}