@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap");

:root {
  --tw-blue: #1d9bf0;
  --tw-blue-dark: #1a8cd8;
  --tw-ink: #0f1419;
  --tw-muted: #536471;
  --tw-border: #e6ecf0;
  --tw-card: #ffffff;
  --tw-bg: #f5f8fb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", "Pretendard", "SUIT", "Noto Sans KR", sans-serif;
  color: var(--tw-ink);
  background: linear-gradient(140deg, #e7f2ff 0%, #f7fbff 50%, #f2f7ff 100%);
}

.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  position: relative;
  overflow: hidden;
}

.login-shell::before,
.login-shell::after {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  pointer-events: none;
}

.login-shell::before {
  background: #8ecbff;
  top: -80px;
  left: -80px;
}

.login-shell::after {
  background: #b1dfff;
  bottom: -120px;
  right: -120px;
}

.login-card {
  width: min(420px, 100%);
  background: var(--tw-card);
  border: 1px solid var(--tw-border);
  border-radius: 20px;
  box-shadow: 0 16px 40px rgba(15, 20, 25, 0.12);
  padding: 28px 26px 24px;
  position: relative;
  z-index: 1;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.brand-dot {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at top, #7fd0ff, var(--tw-blue));
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.login-brand h1 {
  font-size: 22px;
  margin: 0;
}

.login-brand p {
  margin: 4px 0 0;
  color: var(--tw-muted);
  font-size: 14px;
}

.login-form .form-label {
  font-weight: 600;
  color: var(--tw-ink);
}

.login-form .form-control {
  border-radius: 12px;
  border: 1px solid var(--tw-border);
  padding: 10px 12px;
  font-size: 15px;
  box-shadow: none;
}

.login-form .form-control:focus {
  border-color: var(--tw-blue);
  box-shadow: 0 0 0 3px rgba(29, 155, 240, 0.15);
}

.login-form .btn-primary {
  background: var(--tw-blue);
  border-color: var(--tw-blue);
  border-radius: 999px;
  font-weight: 700;
  padding: 10px 0;
}

.login-form .btn-primary:hover {
  background: var(--tw-blue-dark);
  border-color: var(--tw-blue-dark);
}

.login-foot {
  margin-top: 18px;
  font-size: 12px;
  color: var(--tw-muted);
  text-align: center;
}

@media (max-width: 480px) {
  .login-card {
    padding: 24px 20px;
  }

  .login-brand h1 {
    font-size: 20px;
  }
}