:root {
  /* Colores base extraídos de tu logo */
  --accent-start: #1e30f3;
  --accent-end:   #e21e80;

  /* Derivados */
  --bg:        #050612;
  --bg-soft:   #0e1020;
  --card-bg:   #101322;
  --text-main: #f5f7ff;
  --text-muted:#9ca2bd;
  --border-soft: rgba(255, 255, 255, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  background:
    radial-gradient(circle at top, rgba(30, 48, 243, 0.35), transparent 55%),
    radial-gradient(circle at bottom, rgba(226, 30, 128, 0.28), transparent 60%),
    var(--bg);
  color: var(--text-main);
}

/* Layout principal */

.portal {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.card {
  width: 100%;
  max-width: 420px;
  background: radial-gradient(circle at top left,
      rgba(30, 48, 243, 0.14),
      transparent 55%
    ),
    radial-gradient(circle at bottom right,
      rgba(226, 30, 128, 0.12),
      transparent 55%
    ),
    var(--card-bg);
  border-radius: 20px;
  padding: 26px 22px 22px;
  position: relative;
  box-shadow:
    0 22px 50px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

/* Logo */

.logo {
  width: 72px;
  height: 72px;
  border-radius: 24px;
  margin: 0 auto 16px;
  background: radial-gradient(circle at 30% 15%, #ffffff, #c7c8ff);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.16),
    0 18px 30px rgba(0, 0, 0, 0.75);
}

.logo svg {
  width: 40px;
  height: 40px;
  display: block;
}

/* Textos */

.title {
  margin: 4px 0 4px;
  font-size: 22px;
  text-align: center;
}

.subtitle {
  margin: 0 0 18px;
  font-size: 13px;
  text-align: center;
  color: var(--text-muted);
}

/* Hint */

.hint {
  background: rgba(0, 0, 0, 0.35);
  border-radius: 12px;
  padding: 10px 11px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.hint__detail {
  margin-top: 4px;
}

.hint code {
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 6px;
  color: var(--accent-end);
}

/* Formulario */

.form {
  text-align: left;
}

.form__label {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
}

.form__input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-soft);
  background: rgba(2, 4, 16, 0.92);
  color: var(--text-main);
  font-size: 15px;
  outline: none;
}

.form__input::placeholder {
  color: rgba(156, 162, 189, 0.8);
}

.form__input:focus {
  border-color: var(--accent-start);
  box-shadow:
    0 0 0 1px rgba(30, 48, 243, 0.7),
    0 0 0 4px rgba(30, 48, 243, 0.2);
}

/* Botón */

.form__button {
  width: 100%;
  margin-top: 16px;
  padding: 11px;
  border-radius: 999px;
  border: none;
  background-image: linear-gradient(135deg, var(--accent-start), var(--accent-end));
  color: #ffffff;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  box-shadow:
    0 10px 24px rgba(226, 30, 128, 0.55),
    0 0 0 1px rgba(0, 0, 0, 0.7);
  transition: transform 0.1s ease, box-shadow 0.1s ease, filter 0.1s ease;
}

.form__button:hover {
  filter: brightness(1.05);
}

.form__button:active {
  transform: translateY(1px);
  box-shadow:
    0 5px 14px rgba(226, 30, 128, 0.45),
    0 0 0 1px rgba(0, 0, 0, 0.8);
}

/* Footer dentro de la tarjeta */

.card-footer {
  margin-top: 16px;
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
}

/* Responsivo */

@media (max-width: 480px) {
  .card {
    padding: 22px 18px 20px;
  }
}