:root {
  --bg: #f7f8fb;
  --card: #ffffff;
  --text: #1f2933;
  --muted: #6b7280;
  --border: #dce3ea;
  --accent: #3584e4;
  --accent-soft: #e8f2ff;
  --shadow: 0 12px 32px rgba(31, 41, 51, 0.08);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, #e8f2ff 0, transparent 34%),
    linear-gradient(180deg, #f7f8fb 0%, #eef2f6 100%);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}

.page {
  width: 100%;
  max-width: 760px;
}

.hero {
  text-align: center;
  margin-bottom: 28px;
}

.badge {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 6vw, 48px);
  letter-spacing: -0.04em;
}

.subtitle {
  margin: 14px auto 0;
  max-width: 560px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 16px;
}

form {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(220, 227, 234, 0.8);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(22px, 5vw, 36px);
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.full {
  grid-column: 1 / -1;
}

label {
  font-size: 14px;
  font-weight: 700;
}

.hint {
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: #fbfcfe;
  border-radius: 16px;
  padding: 14px 15px;
  font-size: 15px;
  outline: none;
  color: var(--text);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.6;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(53, 132, 228, 0.13);
}

button {
  width: 100%;
  border: none;
  border-radius: 18px;
  padding: 15px 18px;
  background: var(--accent);
  color: white;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
  box-shadow: 0 10px 22px rgba(53, 132, 228, 0.25);
}

button:hover {
  transform: translateY(-1px);
  background: #1c71d8;
}

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

.notice {
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}

.status {
  display: none;
  margin-top: 16px;
  padding: 13px 15px;
  border-radius: 16px;
  background: #ecfdf3;
  color: #18794e;
  font-size: 14px;
  text-align: center;
}

@media (max-width: 680px) {
  body {
    align-items: flex-start;
    padding: 24px 14px;
  }

  .grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  form {
    border-radius: 20px;
  }
}