* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(70, 110, 180, 0.25), transparent 35%),
    radial-gradient(circle at bottom right, rgba(50, 80, 130, 0.22), transparent 35%),
    linear-gradient(180deg, #0b1220, #101827 50%, #0d1422);
  color: #f3f6fb;
  min-height: 100vh;
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 520px;
  background: rgba(18, 28, 44, 0.92);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);
}

.logo {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.badge {
  display: inline-block;
  margin-bottom: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(95, 140, 220, 0.16);
  border: 1px solid rgba(130, 170, 255, 0.25);
  color: #cfe0ff;
  font-size: 14px;
}

h1 {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.15;
}

.subtitle {
  margin: 0 0 24px;
  color: #b9c4d8;
  font-size: 15px;
  line-height: 1.55;
}

.info-box {
  margin-bottom: 20px;
  padding: 16px;
  border-radius: 14px;
  background: rgba(90, 140, 255, 0.10);
  border: 1px solid rgba(120, 160, 255, 0.25);
}

.info-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #dce7ff;
}

.info-text {
  font-size: 14px;
  color: #b9c4d8;
  line-height: 1.5;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

label span {
  display: block;
  margin-bottom: 8px;
  color: #d8e0ef;
  font-size: 14px;
}

input {
  width: 100%;
  height: 50px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  color: #ffffff;
  padding: 0 14px;
  font-size: 16px;
  outline: none;
}

.phone-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.phone-prefix {
  min-width: 72px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  font-size: 16px;
  color: #dfe7f7;
}

.phone-wrap input {
  flex: 1;
}

small {
  display: block;
  margin-top: 8px;
  color: #8f9bb0;
}

button {
  margin-top: 4px;
  height: 52px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(180deg, #76a8ff, #4f82de);
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.notice {
  margin-top: 20px;
  font-size: 13px;
  color: #8f9bb0;
  line-height: 1.5;
  text-align: center;
}

.message {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  font-size: 15px;
  line-height: 1.5;
}

.message.success {
  background: rgba(61, 166, 108, 0.12);
  border: 1px solid rgba(61, 166, 108, 0.35);
  color: #bdf0ce;
}

.message.error {
  background: rgba(219, 78, 78, 0.12);
  border: 1px solid rgba(219, 78, 78, 0.35);
  color: #ffcccc;
}

.hidden {
  display: none;
}