:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #162033;
  --muted: #64748b;
  --line: #dbe4f0;
  --primary: #2563eb;
  --primary-soft: #dbeafe;
  --success: #15803d;
  --success-soft: #dcfce7;
  --warning: #b45309;
  --warning-soft: #ffedd5;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #eff6ff 0%, var(--bg) 260px);
  color: var(--text);
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.card {
  background: var(--card);
  border: 1px solid rgba(219, 228, 240, 0.9);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 28px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: clamp(32px, 5vw, 44px);
}

h2 {
  font-size: 22px;
  margin-bottom: 18px;
}

.subtitle,
.hero-note {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.hero-note {
  max-width: 380px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(340px, 1fr) minmax(320px, 0.95fr);
  gap: 24px;
}

section.card {
  padding: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
}

label span {
  color: var(--text);
}

input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-size: 15px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

button {
  appearance: none;
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  background: #e5e7eb;
  color: var(--text);
}

button.primary {
  background: var(--primary);
  color: white;
}

button.ghost {
  background: #eef2f7;
}

.result-card {
  min-height: 100%;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.badge.neutral {
  background: #eef2f7;
  color: #475569;
}

.badge.success {
  background: var(--success-soft);
  color: var(--success);
}

.badge.warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge.error {
  background: var(--danger-soft);
  color: var(--danger);
}

.message {
  margin-top: 14px;
  border-radius: 14px;
  padding: 14px 16px;
  line-height: 1.6;
}

.message.neutral {
  background: #f8fafc;
  color: #475569;
}

.message.success {
  background: var(--success-soft);
  color: var(--success);
}

.message.warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.message.error {
  background: var(--danger-soft);
  color: var(--danger);
}

.hidden {
  display: none;
}

.result-wrapper {
  margin-top: 18px;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.result-table th,
.result-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.result-table th {
  width: 42%;
  background: #f8fafc;
  font-size: 14px;
}

.result-table tr:last-child th,
.result-table tr:last-child td {
  border-bottom: 0;
}

.notes {
  margin-top: 16px;
  display: grid;
  gap: 10px;
}

.note {
  padding: 12px 14px;
  border-radius: 14px;
  line-height: 1.6;
  font-size: 14px;
}

.note.info {
  background: var(--primary-soft);
  color: #1d4ed8;
}

.note.warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.note.success {
  background: var(--success-soft);
  color: var(--success);
}

@media (max-width: 920px) {
  .hero,
  .layout {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero-note {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .page {
    padding: 20px 14px 32px;
  }

  .hero,
  section.card {
    padding: 18px;
  }

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

  .result-header {
    align-items: flex-start;
    flex-direction: column;
  }
}