/* ============================================
   ESTILOS ESPECÍFICOS - LOGIN
   ============================================ */

/* Efectos de partículas */
.particles {
    position: fixed;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #f1c40f;
    border-radius: 50%;
    animation: float-particles 15s infinite linear;
    opacity: 0.6;
}

@keyframes float-particles {
    0% { transform: translateY(100vh) translateX(0); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-100px) translateX(100px); opacity: 0; }
}

/* Estilos para teclado numérico */
.keypad-button {
    width: 70px;
    height: 70px;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 50%;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    border: none;
    cursor: pointer;
}

.keypad-button:active {
    transform: scale(0.95);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.pin-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #f1c40f;
    transition: all 0.3s ease;
}

.pin-dot.filled {
    background-color: #f1c40f;
}

.pin-display {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
}

.tab-button {
    flex: 1;
    padding: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.tab-button.active {
    color: #f1c40f;
    border-bottom-color: #f1c40f;
}

@media (max-width: 640px) {
    .keypad-button {
        width: 60px;
        height: 60px;
        font-size: 1.25rem;
    }
}

/* Variante para acceso_conductor_simple (teclado más grande) */
.keypad-button.large {
    width: 80px;
    height: 80px;
    font-size: 2rem;
}

@media (max-width: 640px) {
    .keypad-button.large {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
}