:root {
  --blue: #0c63e7;
  --deep: #0a3fa3;
  --aqua: #00c6c2;
  --bg: #f5f9ff;
  --dark: #0d1b2a;
  --text: #1b263b;
  --error: #e53935;

  --radius: 16px;
  --transition: 0.25s ease;
}

/* RESET */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", system-ui, sans-serif;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--blue), var(--deep), var(--aqua));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

/* CARD */
.auth-box {
  background: var(--bg);
  width: 100%;
  max-width: 440px;
  min-height: fit-content;

  padding: clamp(24px, 5vw, 42px);

  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(12, 99, 231, 0.25);
  text-align: center;

  animation: fadeUp 0.45s ease;
}


/* TITLE */
.auth-box h1 {
  font-size: 26px;
  margin-bottom: 10px;
  color: var(--dark);
}

.auth-box p {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 24px;
  opacity: 0.85;
}

/* FORM */
.auth-box form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* INPUT */
.auth-box input {
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid rgba(12, 99, 231, 0.3);
  font-size: 14px;
  transition: var(--transition);
}

.auth-box input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(12, 99, 231, 0.15);
}

/* BUTTON */
.auth-box button {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--blue), var(--deep));
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.auth-box button:hover {
  box-shadow: 0 10px 25px rgba(12, 99, 231, 0.35);
  transform: translateY(-1px);
}

/* LINKS */
.auth-box a {
  display: inline-block;
  margin-top: 18px;
  font-size: 14px;
  color: var(--blue);
  text-decoration: none;
  transition: var(--transition);
}

.auth-box a:hover {
  text-decoration: underline;
}

/* SUCCESS */
.success {
  font-size: 48px;
  color: var(--aqua);
  margin-bottom: 15px;
}

/* ERROR MESSAGE */
.error-msg {
  color: var(--error);
  background: rgba(229, 57, 53, 0.08);
  border-left: 3px solid var(--error);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 14px;
  text-align: left;
}

.auth-box .success {
  animation: pop 0.4s ease;
}

@keyframes pop {
  0% { transform: scale(0.6); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* ANIMATION */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE */
@media (max-width: 480px) {
  .auth-box {
    padding: 28px 22px;
  }

  .auth-box h1 {
    font-size: 22px;
  }
}

@media (max-width: 360px) {
  .auth-box {
    padding: 20px;
    min-width: unset;
  }
}