/* ===================================
   BOTONES — COMPONENTE GLOBAL
   =================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);

  border: none;
  border-radius: var(--radius-md);

  cursor: pointer;
  user-select: none;
  text-decoration: none;

  transition:
    background-color var(--duration-normal) var(--easing-out),
    color var(--duration-normal) var(--easing-out),
    opacity var(--duration-fast),
    transform var(--duration-fast);

  /* Evita que los botones se encogan en flex */
  flex-shrink: 0;
}

/* ===================================
   ESTADOS BASE
   =================================== */

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}


/* ===================================
   VARIANTES
   =================================== */

/* Primario — Azul vivo */
.btn-primary {
  background-color: var(--color-blue-500);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-blue-400);
}

/* Secundario — Gris oscuro */
.btn-secondary {
  background-color: var(--color-gray-800);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-gray-700);
}

/* Outline */
.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-gray-600);
  color: var(--color-gray-300);
}

.btn-outline:hover {
  border-color: var(--color-blue-400);
  color: var(--color-blue-400);
}

/* Éxito — Lime  (útil para confirmar reservas en PadelHub) */
.btn-success {
  background-color: var(--color-lime-400);
  color: var(--color-gray-950);
}

.btn-success:hover {
  background-color: var(--color-lime-500);
}

/* Peligro — Error / Eliminación */
.btn-danger {
  background-color: var(--color-red-400);
  color: var(--color-white);
}

.btn-danger:hover {
  background-color: oklch(65% 0.18 10);
}

/* Gradiente — Botón premium con gradiente azul-lima */
.btn-gradient {
  background: linear-gradient(to bottom right,
      var(--color-blue-500),
      var(--color-lime-500));
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  box-shadow: var(--shadow-card);
}

.btn-gradient:hover {
  transform: scale(1.05);
  box-shadow: 0 30px 60px -15px oklch(0% 0 0 / 0.6);
}


/* ===================================
   TAMAÑOS
   =================================== */

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}


/* ===================================
   BOTÓN CON ÍCONO
   =================================== */

.btn-icon {
  inline-size: var(--icon-size-md);
  block-size: var(--icon-size-md);

  padding: 0;
  border-radius: var(--radius-md);

  display: inline-flex;
  align-items: center;
  justify-content: center;
}


/* ===================================
   BOTÓN FULL WIDTH
   =================================== */
.btn-full {
  inline-size: 100%;
  display: flex;
}