:root {
  --bg: #fff5f8;
  --panel: #ffffff;
  --text: #3b3148;
  --muted: #7a6f85;
  --blue: #6f8fdc;
  --blue-dark: #4f6fba;
  --pink: #f48bb8;
  --pink-dark: #d85f96;
  --mint: #8bd8bd;
  --green: #2f9e61;
  --red: #d75b4d;
  --yellow: #ffd66b;
  --shadow: 0 18px 45px rgba(96, 55, 90, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 16px 16px, rgba(244, 139, 184, 0.34) 0 5px, transparent 6px),
    radial-gradient(circle at 64px 46px, rgba(255, 214, 107, 0.34) 0 4px, transparent 5px),
    linear-gradient(135deg, #fff5f8 0%, #f4fbf3 52%, #eef6ff 100%);
  background-size: 96px 96px, 110px 110px, auto;
}

button,
input {
  font: inherit;
}

.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 14px;
}

.login-card,
.trainer {
  position: relative;
  overflow: hidden;
  width: min(100%, 660px);
  background: var(--panel);
  border: 4px solid #f7bfd5;
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 20px;
}

.login-card::before,
.trainer::before {
  content: "";
  position: absolute;
  top: -24px;
  right: -20px;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--yellow) 0 11px, transparent 12px),
    radial-gradient(circle at 50% 18%, #f9a8c7 0 18px, transparent 19px),
    radial-gradient(circle at 82% 50%, #f9a8c7 0 18px, transparent 19px),
    radial-gradient(circle at 50% 82%, #f9a8c7 0 18px, transparent 19px),
    radial-gradient(circle at 18% 50%, #f9a8c7 0 18px, transparent 19px);
  opacity: 0.85;
}

.login-card::after,
.trainer::after {
  content: "";
  position: absolute;
  bottom: -18px;
  left: -18px;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, #ffffff 0 8px, transparent 9px),
    radial-gradient(circle at 50% 16%, var(--mint) 0 14px, transparent 15px),
    radial-gradient(circle at 84% 50%, var(--mint) 0 14px, transparent 15px),
    radial-gradient(circle at 50% 84%, var(--mint) 0 14px, transparent 15px),
    radial-gradient(circle at 16% 50%, var(--mint) 0 14px, transparent 15px);
  opacity: 0.75;
}

.login-card > *,
.trainer > * {
  position: relative;
  z-index: 1;
}

.flower-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: -4px 0 10px;
  color: var(--pink-dark);
  font-size: 2rem;
  line-height: 1;
}

.flower {
  display: inline-block;
  text-shadow: 0 2px 0 #ffe8f1;
}

.flower.small {
  color: var(--mint);
  font-size: 1.6rem;
  transform: translateY(4px);
}

.login-card {
  max-width: 520px;
}

.login-card h1 {
  font-size: clamp(2rem, 9vw, 3.2rem);
}

.trainer {
  display: none;
}

.app.logged-in .login-card {
  display: none;
}

.app.logged-in .trainer {
  display: block;
}

.topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--pink-dark);
  font-size: 1rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 3.7rem);
  line-height: 1;
}

button {
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
}

button:focus-visible,
input:focus-visible {
  outline: 4px solid rgba(244, 139, 184, 0.35);
  outline-offset: 3px;
}

.restart-button,
.next-button {
  background: #fff0f6;
  color: var(--pink-dark);
  padding: 0 18px;
}

.difficulty {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.difficulty-button {
  background: #f6f0fb;
  color: var(--text);
  padding: 0 10px;
}

.difficulty-button.active {
  background: var(--pink);
  color: #ffffff;
}

.scoreboard {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.score {
  border-radius: 8px;
  padding: 12px 14px;
}

.score span {
  display: block;
  color: var(--muted);
  font-weight: 700;
}

.score strong {
  display: block;
  margin-top: 3px;
  font-size: 2rem;
}

.score.correct {
  background: #e9f8ef;
  border: 2px solid rgba(139, 216, 189, 0.65);
}

.score.correct strong {
  color: var(--green);
}

.score.wrong {
  background: #fff0ed;
  border: 2px solid rgba(247, 191, 213, 0.65);
}

.score.wrong strong {
  color: var(--red);
}

.task-box {
  margin-top: 16px;
  padding: 18px;
  text-align: center;
  background:
    radial-gradient(circle at 20px 20px, rgba(244, 139, 184, 0.22) 0 5px, transparent 6px),
    #fff8dc;
  background-size: 54px 54px;
  border-radius: 8px;
  border: 3px solid #ffe29a;
}

.task-label {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 1.1rem;
  font-weight: 700;
}

.task {
  margin: 0;
  font-size: clamp(3rem, 12vw, 5.8rem);
  line-height: 1;
  font-weight: 900;
}

.login-form,
.answer-form {
  margin-top: 16px;
}

.login-form label,
.answer-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-weight: 800;
}

.login-form input {
  margin-bottom: 16px;
}

.login-form button {
  width: 100%;
  background: var(--pink);
  color: #ffffff;
  padding: 0 26px;
}

.login-feedback {
  min-height: 28px;
  margin: 16px 0 0;
  color: var(--red);
  font-size: 1.15rem;
  font-weight: 800;
  text-align: center;
}

.answer-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

input {
  width: 100%;
  min-height: 52px;
  border: 3px solid #efd1df;
  border-radius: 8px;
  padding: 0 16px;
  color: var(--text);
  font-size: 1.8rem;
  font-weight: 800;
}

.answer-row button {
  background: var(--pink);
  color: #ffffff;
  padding: 0 26px;
}

.feedback {
  min-height: 58px;
  margin: 14px 0 0;
  padding: 10px 12px;
  font-size: clamp(1.6rem, 5vw, 2.35rem);
  font-weight: 800;
  text-align: center;
  border-radius: 8px;
  transform-origin: center;
}

.feedback.good {
  color: var(--green);
  background: #e9f8ef;
  animation: pop-feedback 420ms ease-out;
}

.feedback.bad {
  color: var(--red);
  background: #fff0ed;
  animation: pop-feedback 420ms ease-out;
}

@keyframes pop-feedback {
  0% {
    transform: scale(0.88);
    opacity: 0.55;
  }

  70% {
    transform: scale(1.05);
    opacity: 1;
  }

  100% {
    transform: scale(1);
  }
}

.next-button {
  width: 100%;
  margin-top: 8px;
}

@media (max-width: 560px) {
  .app {
    padding: 8px;
  }

  .trainer {
    padding: 14px;
  }

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

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

  .difficulty {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }

  .restart-button,
  .answer-row button {
    width: 100%;
  }
}

@media (max-width: 390px) {
  .difficulty {
    grid-template-columns: 1fr;
  }
}