* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 232, 240, 0.95), transparent 32%),
    linear-gradient(135deg, #fff7fb 0%, #f7f0ff 48%, #eef7ff 100%);
  color: #281f2f;
}

button,
input {
  font: inherit;
}

.app {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 18px;
}

.panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(85, 63, 104, 0.14);
  box-shadow: 0 18px 48px rgba(49, 31, 72, 0.13);
  border-radius: 28px;
  padding: clamp(18px, 4vw, 36px);
  margin: 16px 0;
}

.hero {
  min-height: calc(100vh - 32px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 7px 12px;
  border-radius: 999px;
  background: #eee4ff;
  color: #4c287c;
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
}

.badge.danger {
  background: #ffe2e2;
  color: #8c1d1d;
}

.badge.success {
  background: #e4ffe9;
  color: #17622b;
}

h1 {
  margin: 14px 0 10px;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1;
}

h2 {
  margin: 0 0 10px;
}

.lead {
  font-size: clamp(1rem, 2.6vw, 1.25rem);
  line-height: 1.55;
  max-width: 720px;
}

.warning-card,
.result-box,
.question-card,
.timer-card,
.student-chip {
  border: 1px solid rgba(85, 63, 104, 0.14);
  border-radius: 22px;
  background: #fff;
}

.warning-card {
  padding: 18px;
  margin: 22px 0;
}

.warning-card ul {
  margin: 0;
  padding-left: 22px;
  line-height: 1.7;
}

.student-form {
  display: grid;
  gap: 14px;
  max-width: 540px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 700;
}

input[type="text"] {
  min-height: 48px;
  border: 1px solid rgba(85, 63, 104, 0.25);
  border-radius: 16px;
  padding: 12px 14px;
  background: #fff;
}

.primary-btn,
.ghost-btn {
  min-height: 50px;
  border: 0;
  border-radius: 16px;
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 800;
}

.primary-btn {
  background: #6f3fd4;
  color: white;
  box-shadow: 0 12px 24px rgba(111, 63, 212, 0.25);
}

.ghost-btn {
  background: transparent;
  color: #6f3fd4;
  margin-top: 10px;
  border: 1px dashed rgba(111, 63, 212, 0.35);
}

.wide {
  width: 100%;
  margin-top: 20px;
}

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

.test-header h1 {
  font-size: clamp(1.7rem, 5vw, 3.2rem);
}

.timer-card {
  padding: 14px 18px;
  min-width: 126px;
  text-align: center;
}

.timer-card span {
  display: block;
  font-size: 0.85rem;
  color: #6b5b73;
}

.timer-card strong {
  font-size: 1.45rem;
}

.student-chip {
  padding: 12px 14px;
  margin: 18px 0;
  font-weight: 700;
  background: #fff9fd;
}

.questions {
  display: grid;
  gap: 16px;
}

.question-card {
  padding: 18px;
}

.question-title {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 1.05rem;
  line-height: 1.45;
  font-weight: 800;
}

.question-number {
  flex: 0 0 auto;
  background: #f0e8ff;
  color: #4c287c;
  border-radius: 12px;
  padding: 5px 9px;
  font-size: 0.9rem;
}

.options {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  border: 1px solid rgba(85, 63, 104, 0.13);
  border-radius: 16px;
  cursor: pointer;
  background: #faf8ff;
  font-weight: 600;
  line-height: 1.35;
}

.option input {
  margin-top: 2px;
  accent-color: #6f3fd4;
}

.result-box {
  padding: 18px;
  margin: 18px 0;
  line-height: 1.7;
}

.danger-box {
  border-color: rgba(140, 29, 29, 0.28);
  background: #fff5f5;
}

.result-line {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid rgba(85, 63, 104, 0.12);
  padding: 8px 0;
}

.result-line:last-child {
  border-bottom: 0;
}

.small-note {
  color: #6b5b73;
}

.hidden {
  display: none !important;
}

@media (max-width: 600px) {
  .app {
    padding: 10px;
  }

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

  .hero {
    min-height: calc(100vh - 20px);
  }

  .question-card {
    padding: 14px;
  }

  .option {
    padding: 12px 10px;
  }
}